feat(jsii): enable source maps for declaration files

packages/@fixtures/jsii-calc-bundled/.gitignore

@@ -11,3 +11,4 @@ node_modules/
 coverage/
 
 !index.js
+*.d.ts.map

packages/@jsii/benchmarks/.gitignore

@@ -1,3 +1,4 @@
 output.txt
 *.d.ts
 *.js
+*.d.ts.map

packages/@jsii/check-node/.gitignore

@@ -5,3 +5,4 @@ dist
 node_modules/
 .nyc_output/
 coverage/
+*.d.ts.map

packages/@jsii/dotnet-runtime-test/.gitignore

@@ -22,3 +22,4 @@ node_modules/
 .nyc_output/
 coverage/
 .nuget/
+*.d.ts.map

packages/@jsii/dotnet-runtime/.gitignore

@@ -25,3 +25,4 @@ obj/
 
 # consumed by generate.sh
 !*.t.js
+*.d.ts.map

packages/@jsii/go-runtime-test/.gitignore

@@ -5,3 +5,4 @@
 
 # Ignore our test files
 project/compliance-report.json
+*.d.ts.map

packages/@jsii/go-runtime/.gitignore

@@ -7,3 +7,4 @@
 *.d.ts
 
 !jsii-runtime-go/internal/kernel/process/jsii-mock-runtime.js
+*.d.ts.map

packages/@jsii/integ-test/.gitignore

@@ -1,2 +1,4 @@
 .env
 *.js
+*.d.ts
+*.d.ts.map

packages/@jsii/integ-test/package.json

@@ -5,7 +5,7 @@
   "private": true,
   "scripts": {
     "build": "tsc --build && npm run lint",
-    "lint": "eslint . --ext .ts --ignore-path=.gitignore",
+    "lint": "eslint . --ext .ts --ignore-pattern '*.d.ts' --ignore-path=.gitignore",
     "lint:fix": "yarn lint --fix",
     "test:integ": "jest",
     "package": "package-private"

packages/@jsii/integ-test/tsconfig.json

@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "composite": false,
-    "declaration": false
+    "declaration": true
   },
   "extends": "../../../tsconfig-base",
   "include": ["**/*.ts"],

packages/@jsii/java-runtime/.gitignore

@@ -4,3 +4,4 @@
 *.d.ts
 !*.t.js
 maven-repo
+*.d.ts.map

packages/@jsii/kernel/.gitignore

@@ -3,3 +3,4 @@
 node_modules/
 .nyc_output/
 coverage/
+*.d.ts.map

packages/@jsii/runtime/.gitignore

@@ -9,3 +9,4 @@ node_modules/
 coverage/
 
 test/_tarballs/
+*.d.ts.map

packages/@jsii/spec/.gitignore

@@ -5,3 +5,4 @@ schema
 node_modules/
 .nyc_output/
 coverage/
+*.d.ts.map

packages/@scope/jsii-calc-base-of-base/.gitignore

@@ -9,3 +9,4 @@ dist
 node_modules/
 .nyc_output/
 coverage/
+*.d.ts.map

packages/@scope/jsii-calc-base/.gitignore

@@ -13,3 +13,4 @@ dist
 node_modules/
 .nyc_output/
 coverage/
+*.d.ts.map

packages/@scope/jsii-calc-lib/.gitignore

@@ -10,3 +10,4 @@ dist/
 node_modules/
 .nyc_output/
 coverage/
+*.d.ts.map

packages/codemaker/.gitignore

@@ -84,3 +84,4 @@ typings/
 
 
 # End of https://www.gitignore.io/api/node
+*.d.ts.map

packages/jsii-calc/.gitignore

@@ -9,3 +9,4 @@ dist
 node_modules/
 .nyc_output/
 coverage/
+*.d.ts.map

packages/jsii-config/.gitignore

@@ -2,3 +2,4 @@
 *.d.ts
 node_modules/
 coverage/
+*.d.ts.map

packages/jsii-diff/.gitignore

@@ -5,3 +5,4 @@ node_modules/
 coverage/
 
 lib/version.ts
+*.d.ts.map

packages/jsii-pacmak/.gitignore

@@ -13,3 +13,4 @@ node_modules/
 coverage/
 
 test/expected.*/dotnet/**/obj/Debug
+*.d.ts.map

packages/jsii-reflect/.gitignore

@@ -17,3 +17,4 @@ coverage
 node_modules
 
 !jest.config.js
+*.d.ts.map

packages/jsii-rosetta/.gitignore

@@ -4,3 +4,4 @@
 node_modules
 *.d.ts
 coverage
+*.d.ts.map

packages/jsii-rosetta/lib/typescript/ts-compiler.ts

@@ -70,6 +70,7 @@ export const STANDARD_COMPILER_OPTIONS: ts.CompilerOptions = {
   alwaysStrict: true,
   charset: 'utf8',
   declaration: true,
+  declarationMap: true,
   experimentalDecorators: true,
   inlineSourceMap: true,
   inlineSources: true,

packages/jsii/.gitignore

@@ -8,3 +8,4 @@ coverage/
 README.md
 
 lib/version.ts
+*.d.ts.map

packages/jsii/lib/compiler.ts

@@ -16,6 +16,7 @@ const BASE_COMPILER_OPTIONS: ts.CompilerOptions = {
   alwaysStrict: true,
   charset: 'utf8',
   declaration: true,
+  declarationMap: true,
   experimentalDecorators: true,
   incremental: true,
   inlineSourceMap: true,

packages/jsii/test/compiler.test.ts

@@ -148,6 +148,29 @@ describe(Compiler, () => {
       removeSync(sourceDir);
     }
   });
+
+  test('emits declaration map', () => {
+    const sourceDir = mkdtempSync(join(tmpdir(), 'jsii-tmpdir'));
+
+    try {
+      writeFileSync(join(sourceDir, 'index.ts'), 'export class MarkerA {}');
+
+      const compiler = new Compiler({
+        projectInfo: {
+          ..._makeProjectInfo(sourceDir, 'index.d.ts'),
+        },
+        generateTypeScriptConfig: 'tsconfig.jsii.json',
+      });
+
+      compiler.emit();
+
+      expect(() => {
+        readFileSync(join(sourceDir, 'index.d.ts.map'), 'utf-8');
+      }).not.toThrow();
+    } finally {
+      removeSync(sourceDir);
+    }
+  });
 });
 
 function _makeProjectInfo(sourceDir: string, types: string): ProjectInfo {
@@ -180,6 +203,7 @@ function expectedTypeScriptConfig() {
       charset: 'utf8',
       composite: false,
       declaration: true,
+      declarationMap: true,
       experimentalDecorators: true,
       incremental: true,
       inlineSourceMap: true,

packages/jsii/test/deprecated-remover.test.ts

@@ -113,12 +113,12 @@ test('produces correct output', () => {
     export * from './retained';
     export * from './enums';
     export { GrandChild, Retained } from './mixed';
-    //////////////////
+    //# sourceMappingURL=index.d.ts.map//////////////////
 
 
     ///////////////////////
     /// deprecated.d.ts ///
-    ///////////////////////
+    //# sourceMappingURL=deprecated.d.ts.map///////////////////////
 
 
     /////////////////////
@@ -127,15 +127,15 @@ test('produces correct output', () => {
     }
     export declare class RetainedClass {
     }
-    /////////////////////
+    //# sourceMappingURL=retained.d.ts.map/////////////////////
 
 
     //////////////////
     /// enums.d.ts ///
     export declare enum SomeEnum {
         VALUE_RETAINED = 0
     }
-    //////////////////
+    //# sourceMappingURL=enums.d.ts.map//////////////////
 
 
     //////////////////
@@ -148,7 +148,7 @@ test('produces correct output', () => {
     export declare class GrandChild extends Retained implements retained_1.IRetainedInterface {
         retainedMethod(): void;
     }
-    //////////////////
+    //# sourceMappingURL=mixed.d.ts.map//////////////////
     "
   `);
 });
@@ -177,12 +177,12 @@ test('cross-file deprecated heritage', () => {
     import './deprecated';
     export interface INotDeprecated {
     }
-    //////////////////
+    //# sourceMappingURL=index.d.ts.map//////////////////
 
 
     ///////////////////////
     /// deprecated.d.ts ///
-    ///////////////////////
+    //# sourceMappingURL=deprecated.d.ts.map///////////////////////
     "
   `);
 });
@@ -452,15 +452,15 @@ describe('stripDeprecatedAllowList', () => {
       export * from './retained';
       export * from './enums';
       export { Deprecated, GrandChild, Retained } from './mixed';
-      //////////////////
+      //# sourceMappingURL=index.d.ts.map//////////////////
 
 
       ///////////////////////
       /// deprecated.d.ts ///
       /** @deprecated stripped */
       export declare class DeprecatedClass {
       }
-      ///////////////////////
+      //# sourceMappingURL=deprecated.d.ts.map///////////////////////
 
 
       /////////////////////
@@ -469,7 +469,7 @@ describe('stripDeprecatedAllowList', () => {
       }
       export declare class RetainedClass {
       }
-      /////////////////////
+      //# sourceMappingURL=retained.d.ts.map/////////////////////
 
 
       //////////////////
@@ -482,7 +482,7 @@ describe('stripDeprecatedAllowList', () => {
           VALUE_ONE = 0,
           VALUE_TWO = 1
       }
-      //////////////////
+      //# sourceMappingURL=enums.d.ts.map//////////////////
 
 
       //////////////////
@@ -499,7 +499,7 @@ describe('stripDeprecatedAllowList', () => {
       export declare class GrandChild extends Deprecated {
           retainedMethod(): void;
       }
-      //////////////////
+      //# sourceMappingURL=mixed.d.ts.map//////////////////
       "
     `);
   });

packages/jsii/vendor/.gitignore

@@ -1 +1,2 @@
 !*.d.ts
+*.d.ts.map

packages/oo-ascii-tree/.gitignore

@@ -17,3 +17,4 @@ coverage
 node_modules
 
 !jest.config.js
+*.d.ts.map

tools/jsii-build-tools/.gitignore

@@ -3,3 +3,4 @@
 node_modules/
 .nyc_output/
 coverage/
+*.d.ts.map

tsconfig-base.json

@@ -7,6 +7,7 @@
     "strictPropertyInitialization": true,  /* Require all properties be initialized in the constructor. */
     "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */
     "declaration": true,                   /* Generates corresponding '.d.ts' file. */
+    "declarationMap": true,                /* Generates declaration map '.d.ts.map' file. */
     "esModuleInterop": false,              /* Turn on babel and typesystem compatibility with ES modules */
     "inlineSourceMap": true,               /* Emit a single file with source maps instead of having a separate file. */
     "inlineSources": true,                 /* Emit the source alongside the sourcemaps within a single file. */