fix: tests

aws · May 6, 2022 · a7e2bdf · a7e2bdf
1 parent e31a5d6
commit a7e2bdf
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diff --git a/packages/jsii/lib/project-info.ts b/packages/jsii/lib/project-info.ts
@@ -17,6 +17,7 @@ export interface TSCompilerOptions {
   readonly outDir?: string;
   readonly rootDir?: string;
   readonly forceConsistentCasingInFileNames?: boolean;
+  readonly declarationMap?: boolean;
 }
 
 export interface ProjectInfo {

diff --git a/packages/jsii/test/compiler.test.ts b/packages/jsii/test/compiler.test.ts
@@ -48,6 +48,48 @@ describe(Compiler, () => {
     });
   });
 
+  test('declaration map option can be set', () => {
+    const sourceDir = mkdtempSync(join(tmpdir(), 'jsii-compiler-watch-mode-'));
+
+    const compiler = new Compiler({
+      projectInfo: {
+        ..._makeProjectInfo(sourceDir, 'index.d.ts'),
+        tsc: { declarationMap: true },
+      },
+      generateTypeScriptConfig: 'tsconfig.jsii.json',
+    });
+
+    compiler.emit();
+
+    expect(
+      readJsonSync(join(sourceDir, 'tsconfig.jsii.json'), 'utf-8'),
+    ).toHaveProperty('compilerOptions.declarationMap', true);
+  });
+
+  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'),
+          tsc: { declarationMap: true },
+        },
+        generateTypeScriptConfig: 'tsconfig.jsii.json',
+      });
+
+      compiler.emit();
+
+      expect(() => {
+        readFileSync(join(sourceDir, 'index.d.ts.map'), 'utf-8');
+      }).not.toThrow();
+    } finally {
+      removeSync(sourceDir);
+    }
+  });
+
   test('"watch" mode', async () => {
     // This can be a little slow, allowing 15 seconds maximum here (default is 5 seconds)
     jest.setTimeout(15_000);