From 91aa17b6ba9fe1ce49ec12882ad3d7dde14e60b4 Mon Sep 17 00:00:00 2001 From: Daniel Tschinder <231804+danez@users.noreply.github.com> Date: Tue, 4 Oct 2022 14:54:43 +0200 Subject: [PATCH] feat: add new BackgroundHandler type --- .eslintrc.js | 1 + package-lock.json | 520 +++++++++++++++++++++++++ package.json | 5 + src/function/handler.ts | 4 + src/function/index.ts | 2 +- test/types/BackgroundHandler.test-d.ts | 10 + test/types/Handler.test-d.ts | 11 + 7 files changed, 552 insertions(+), 1 deletion(-) create mode 100644 test/types/BackgroundHandler.test-d.ts create mode 100644 test/types/Handler.test-d.ts diff --git a/.eslintrc.js b/.eslintrc.js index f0ab518e..c83d5b14 100644 --- a/.eslintrc.js +++ b/.eslintrc.js @@ -12,6 +12,7 @@ module.exports = { rules: { 'no-magic-numbers': 'off', 'promise/prefer-await-to-callbacks': 'off', + 'unicorn/filename-case': 'off', }, }, ], diff --git a/package-lock.json b/package-lock.json index 475492af..a2922611 100644 --- a/package-lock.json +++ b/package-lock.json @@ -19,6 +19,7 @@ "husky": "^7.0.4", "npm-run-all": "^4.1.5", "nyc": "^15.0.0", + "tsd": "^0.24.1", "typescript": "^4.4.4" }, "engines": { @@ -1870,6 +1871,28 @@ "integrity": "sha512-yOlFc+7UtL/89t2ZhjPvvB/DeAr3r+Dq58IgzsFkOAvVC6NMJXmCGjbptdXdR9qsX7pKcTL+s87FtYREi2dEEQ==", "dev": true }, + "node_modules/@tsd/typescript": { + "version": "4.8.4", + "resolved": "https://registry.npmjs.org/@tsd/typescript/-/typescript-4.8.4.tgz", + "integrity": "sha512-WMFNVstwWGyDuZP2LGPRZ+kPHxZLmhO+2ormstDvnXiyoBPtW1qq9XhhrkI4NVtxgs+2ZiUTl9AG7nNIRq/uCg==", + "dev": true + }, + "node_modules/@types/eslint": { + "version": "7.29.0", + "resolved": "https://registry.npmjs.org/@types/eslint/-/eslint-7.29.0.tgz", + "integrity": "sha512-VNcvioYDH8/FxaeTKkM4/TiTwt6pBV9E3OfGmvaw8tPl0rrHCJ4Ll15HRT+pMiFAf/MLQvAzC+6RzUMEL9Ceng==", + "dev": true, + "dependencies": { + "@types/estree": "*", + "@types/json-schema": "*" + } + }, + "node_modules/@types/estree": { + "version": "1.0.0", + "resolved": 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"resolved": "https://registry.npmjs.org/plur/-/plur-4.0.0.tgz", + "integrity": "sha512-4UGewrYgqDFw9vV6zNV+ADmPAUAfJPKtGvb/VdpQAx25X5f3xXdGdyOEVFwkl8Hl/tl7+xbeHqSEM+D5/TirUg==", + "dev": true, + "dependencies": { + "irregular-plurals": "^3.2.0" + }, + "engines": { + "node": ">=10" + }, + "funding": { + "url": "https://github.com/sponsors/sindresorhus" + } + }, "node_modules/eslint-import-resolver-node": { "version": "0.3.6", "resolved": "https://registry.npmjs.org/eslint-import-resolver-node/-/eslint-import-resolver-node-0.3.6.tgz", @@ -4948,6 +5033,12 @@ "node": ">=4.0" } }, + "node_modules/eslint-rule-docs": { + "version": "1.1.235", + "resolved": "https://registry.npmjs.org/eslint-rule-docs/-/eslint-rule-docs-1.1.235.tgz", + "integrity": "sha512-+TQ+x4JdTnDoFEXXb3fDvfGOwnyNV7duH8fXWTPD1ieaBmB8omj7Gw/pMBBu4uI2uJCCU8APDaQJzWuXnTsH4A==", + "dev": true + }, "node_modules/eslint-scope": { "version": "5.1.1", "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.1.1.tgz", 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"nyc -r lcovonly -r text -r json ava" }, "config": { @@ -37,6 +38,9 @@ ], "verbose": true }, + "tsd": { + "directory": "test/types/" + }, "keywords": [], "license": "MIT", "repository": "netlify/functions", @@ -58,6 +62,7 @@ "husky": "^7.0.4", "npm-run-all": "^4.1.5", "nyc": "^15.0.0", + "tsd": "^0.24.1", "typescript": "^4.4.4" }, "engines": { diff --git a/src/function/handler.ts b/src/function/handler.ts index 3a056685..12845e46 100644 --- a/src/function/handler.ts +++ b/src/function/handler.ts @@ -11,5 +11,9 @@ export interface BaseHandler): void | Promise } +export interface BackgroundHandler { + (event: Event, context: C): void | Promise +} + export type Handler = BaseHandler export type BuilderHandler = BaseHandler diff --git a/src/function/index.ts b/src/function/index.ts index 0e219eca..75a1f081 100644 --- a/src/function/index.ts +++ b/src/function/index.ts @@ -1,6 +1,6 @@ export { Context as HandlerContext } from './context.js' export { Event as HandlerEvent } from './event.js' -export { Handler, HandlerCallback } from './handler.js' +export { Handler, BackgroundHandler, HandlerCallback } from './handler.js' export { Response as HandlerResponse } from './response.js' export { getSecrets, diff --git a/test/types/BackgroundHandler.test-d.ts b/test/types/BackgroundHandler.test-d.ts new file mode 100644 index 00000000..e99e6ad7 --- /dev/null +++ b/test/types/BackgroundHandler.test-d.ts @@ -0,0 +1,10 @@ +import { expectType } from 'tsd' + +import { BackgroundHandler } from '../../src/main.js' + +// Ensure void is a valid return type in async handlers +const handler: BackgroundHandler = async () => { + // void +} + +expectType(handler) diff --git a/test/types/Handler.test-d.ts b/test/types/Handler.test-d.ts new file mode 100644 index 00000000..d3c4fe8d --- /dev/null +++ b/test/types/Handler.test-d.ts @@ -0,0 +1,11 @@ +import { expectError } from 'tsd' + +import { Handler } from '../../src/main.js' + +// Ensure void is NOT a valid return type in async handlers +expectError(() => { + // eslint-disable-next-line @typescript-eslint/no-unused-vars, unicorn/consistent-function-scoping + const handler: Handler = async () => { + // void + } +})