test: add unit tests for preserving path separators in source maps

src/transformers/__test__/StripProjectRoot.test.ts

@@ -54,4 +54,26 @@ test('StripProjectRoot transformer: webpack example with namespace', async () =>
  'webpack:https://this-package-name-is-used-in-the-source-paths/webpack/bootstrap',
  'index.js'
  ])
+})
+
+test('StripProjectRoot transformer: preserves path separators (posix)', async () => {
+ const projectRoot = path.join(__dirname, 'fixtures', 'typescript')
+ const absolutePath = path.join(projectRoot, 'dist', 'out.js.map')
+ const sourceMapJson = JSON.parse(await fs.readFile(absolutePath, 'utf-8'))
+ await StripProjectRoot(absolutePath, sourceMapJson, projectRoot, noopLogger)
+ expect(sourceMapJson.sources).toStrictEqual([
+ path.join('lib/a.ts'),
+ 'index.ts'
+ ])
+})
+
+test('StripProjectRoot transformer: preserves path separators (windows)', async () => {
+ const projectRoot = path.join(__dirname, 'fixtures', 'typescript-windows')
+ const absolutePath = path.join(projectRoot, 'dist', 'out.js.map')
+ const sourceMapJson = JSON.parse(await fs.readFile(absolutePath, 'utf-8'))
+ await StripProjectRoot(absolutePath, sourceMapJson, projectRoot, noopLogger)
+ expect(sourceMapJson.sources).toStrictEqual([
+ path.join('lib\\a.ts'),
+ 'index.ts'
+ ])
 })

src/transformers/__test__/fixtures/typescript-windows/.gitignore

@@ -0,0 +1 @@
+!dist

src/transformers/__test__/fixtures/typescript-windows/index.ts

@@ -0,0 +1,3 @@
+import a from './lib/a'
+
+a()

src/transformers/__test__/fixtures/typescript-windows/lib/a.ts

@@ -0,0 +1,3 @@
+export default function a(): void {
+ console.log('hi from a')
+}

src/transformers/__test__/fixtures/typescript-windows/tsconfig.json

@@ -0,0 +1,69 @@
+{
+ "compilerOptions": {
+ /* Visit https://aka.ms/tsconfig.json to read more about this file */
+
+ /* Basic Options */
+ // "incremental": true, /* Enable incremental compilation */
+ "target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
+ "module": "amd", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
+ // "lib": [], /* Specify library files to be included in the compilation. */
+ // "allowJs": true, /* Allow javascript files to be compiled. */
+ // "checkJs": true, /* Report errors in .js files. */
+ // "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
+ // "declaration": true, /* Generates corresponding '.d.ts' file. */
+ // "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */
+ "sourceMap": true, /* Generates corresponding '.map' file. */
+ "outFile": "./dist/out.js", /* Concatenate and emit output to single file. */
+ // "outDir": "./", /* Redirect output structure to the directory. */
+ // "rootDir": "./", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
+ // "composite": true, /* Enable project compilation */
+ // "tsBuildInfoFile": "./", /* Specify file to store incremental compilation information */
+ // "removeComments": true, /* Do not emit comments to output. */
+ // "noEmit": true, /* Do not emit outputs. */
+ // "importHelpers": true, /* Import emit helpers from 'tslib'. */
+ // "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
+ // "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
+
+ /* Strict Type-Checking Options */
+ "strict": true, /* Enable all strict type-checking options. */
+ // "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */
+ // "strictNullChecks": true, /* Enable strict null checks. */
+ // "strictFunctionTypes": true, /* Enable strict checking of function types. */
+ // "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
+ // "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */
+ // "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */
+ // "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */
+
+ /* Additional Checks */
+ // "noUnusedLocals": true, /* Report errors on unused locals. */
+ // "noUnusedParameters": true, /* Report errors on unused parameters. */
+ // "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
+ // "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
+
+ /* Module Resolution Options */
+ // "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
+ // "baseUrl": "./", /* Base directory to resolve non-absolute module names. */
+ // "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+ // "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */
+ // "typeRoots": [], /* List of folders to include type definitions from. */
+ // "types": [], /* Type declaration files to be included in compilation. */
+ // "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
+ "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+ // "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */
+ // "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
+
+ /* Source Map Options */
+ // "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */
+ // "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
+ // "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; requires '--inlineSourceMap' or '--sourceMap' to be set. */
+
+ /* Experimental Options */
+ // "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */
+ // "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */
+
+ /* Advanced Options */
+ "skipLibCheck": true, /* Skip type checking of declaration files. */
+ "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
+ }
+}