feat(config): allow passing option to force node crawl (#11264)

Author: SimenB

CHANGELOG.md

@@ -11,6 +11,7 @@
 - `[jest-config]` Add support for `preset` written in ESM ([#11200](https://github.com/facebook/jest/pull/11200))
 - `[jest-config, jest-runtime]` Support ESM for files other than `.js` and `.mjs` ([#10823](https://github.com/facebook/jest/pull/10823))
 - `[jest-config, jest-runtime]` [**BREAKING**] Use "modern" implementation as default for fake timers ([#10874](https://github.com/facebook/jest/pull/10874) & [#11197](https://github.com/facebook/jest/pull/11197))
+- `[jest-config` Allow passing `forceNodeFilesystemAPI` through to `jest-haste-map` ([#11264](https://github.com/facebook/jest/pull/11264))
 - `[jest-core]` make `TestWatcher` extend `emittery` ([#10324](https://github.com/facebook/jest/pull/10324))
 - `[jest-core]` Run failed tests interactively the same way we do with snapshots ([#10858](https://github.com/facebook/jest/pull/10858))
 - `[jest-core]` more `TestSequencer` methods can be async ([#10980](https://github.com/facebook/jest/pull/10980))

docs/Configuration.md

@@ -495,6 +495,8 @@ type HasteConfig = {
   computeSha1?: boolean;
   /** The platform to use as the default, e.g. 'ios'. */
   defaultPlatform?: string | null;
+  /** Force use of Node's `fs` APIs rather than shelling out to `find` */
+  forceNodeFilesystemAPI?: boolean;
   /**
    * Whether to follow symlinks when crawling for files.
    *   This options cannot be used in projects which use watchman.

e2e/__tests__/__snapshots__/showConfig.test.ts.snap

@@ -21,6 +21,8 @@ exports[`--showConfig outputs config info and exits 1`] = `
       "globals": {},
       "haste": {
         "computeSha1": false,
+        "enableSymlinks": false,
+        "forceNodeFilesystemAPI": false,
         "throwOnModuleCollision": false
       },
       "injectGlobals": true,

packages/jest-config/src/Defaults.ts

@@ -31,6 +31,8 @@ const defaultOptions: Config.DefaultOptions = {
   globals: {},
   haste: {
     computeSha1: false,
+    enableSymlinks: false,
+    forceNodeFilesystemAPI: false,
     throwOnModuleCollision: false,
   },
   injectGlobals: true,

packages/jest-config/src/ValidConfig.ts

@@ -56,6 +56,7 @@ const initialOptions: Config.InitialOptions = {
     computeSha1: true,
     defaultPlatform: 'ios',
     enableSymlinks: false,
+    forceNodeFilesystemAPI: false,
     hasteImplModulePath: '<rootDir>/haste_impl.js',
     platforms: ['ios', 'android'],
     throwOnModuleCollision: false,

packages/jest-config/src/__tests__/normalize.test.ts

@@ -1865,3 +1865,15 @@ describe('haste.enableSymlinks', () => {
     expect(options.watchman).toBe(false);
   });
 });
+
+describe('haste.forceNodeFilesystemAPI', () => {
+  it('should pass option through', async () => {
+    const {options} = await normalize(
+      {haste: {forceNodeFilesystemAPI: true}, rootDir: '/root/'},
+      {},
+    );
+
+    expect(options.haste.forceNodeFilesystemAPI).toBe(true);
+    expect(console.warn).not.toHaveBeenCalled();
+  });
+});

packages/jest-runtime/src/index.ts

@@ -317,23 +317,24 @@ export default class Runtime {
     return new HasteMap({
       cacheDirectory: config.cacheDirectory,
       computeSha1: config.haste.computeSha1,
-      console: options && options.console,
+      console: options?.console,
       dependencyExtractor: config.dependencyExtractor,
       enableSymlinks: config.haste.enableSymlinks,
       extensions: [Snapshot.EXTENSION].concat(config.moduleFileExtensions),
+      forceNodeFilesystemAPI: config.haste.forceNodeFilesystemAPI,
       hasteImplModulePath: config.haste.hasteImplModulePath,
       ignorePattern,
-      maxWorkers: (options && options.maxWorkers) || 1,
+      maxWorkers: options?.maxWorkers || 1,
       mocksPattern: escapePathForRegex(path.sep + '__mocks__' + path.sep),
       name: config.name,
       platforms: config.haste.platforms || ['ios', 'android'],
-      resetCache: options && options.resetCache,
+      resetCache: options?.resetCache,
       retainAllFiles: false,
       rootDir: config.rootDir,
       roots: config.roots,
       throwOnModuleCollision: config.haste.throwOnModuleCollision,
-      useWatchman: options && options.watchman,
-      watch: options && options.watch,
+      useWatchman: options?.watchman,
+      watch: options?.watch,
     });
   }
 

packages/jest-types/src/Config.ts

@@ -22,6 +22,8 @@ export type HasteConfig = {
   computeSha1?: boolean;
   /** The platform to use as the default, e.g. 'ios'. */
   defaultPlatform?: string | null;
+  /** Force use of Node's `fs` APIs rather than shelling out to `find` */
+  forceNodeFilesystemAPI?: boolean;
   /**
    * Whether to follow symlinks when crawling for files.
    *   This options cannot be used in projects which use watchman.