Merge branch 'main' into cursor/module-federation-webworker-bug-09a5

Author: ScriptedAlchemy

.changeset/cozy-worlds-drum.md

@@ -0,0 +1,5 @@
+---
+'@module-federation/manifest': patch
+---
+
+fix(manifest): record split expose chunk assets

.changeset/fair-eels-grab.md

@@ -0,0 +1,5 @@
+---
+'@module-federation/metro': patch
+---
+
+fix Metro Windows compatibility by normalizing path handling and source URL generation across absolute and relative entry paths, and tighten expose key resolution to avoid incorrect extension fallback matches.

.changeset/pink-ravens-glow.md

@@ -0,0 +1,5 @@
+---
+'@module-federation/rspress-plugin': patch
+---
+
+fix(rspress-plugin): auto infer environment

apps/rslib-module/package.json

@@ -28,7 +28,7 @@
     "http-server": "^14.1.1",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
-    "storybook": "^8.3.6",
+    "storybook": "^8.6.17",
     "storybook-react-rsbuild": "^1.0.1",
     "storybook-addon-rslib": "^1.0.1"
   },

package.json

@@ -166,7 +166,7 @@
     "rambda": "7.5.0",
     "regenerator-runtime": "0.14.1",
     "sharp": "^0.33.4",
-    "storybook": "9.0.9",
+    "storybook": "8.6.17",
     "tapable": "2.2.1",
     "typedoc": "0.25.8",
     "undici": "7.18.2",

packages/enhanced/test/configCases/container/manifest-split-chunks/index.js

@@ -0,0 +1,45 @@
+const fs = __non_webpack_require__('fs');
+const path = __non_webpack_require__('path');
+
+const statsPath = path.join(__dirname, 'mf-stats.json');
+const stats = JSON.parse(fs.readFileSync(statsPath, 'utf-8'));
+
+it('should have one expose entry', () => {
+  expect(stats.exposes).toHaveLength(1);
+  expect(stats.exposes[0].path).toBe('./expose-a');
+});
+
+it('should collect all expose chunk assets even when split by splitChunks.maxSize', () => {
+  const syncFiles = stats.exposes[0].assets.js.sync;
+
+  // Discover every JS file webpack actually emitted for this expose chunk.
+  // Split chunks produced by maxSize are named "__federation_expose_expose_a-<hash>.js",
+  // so we match on the expose chunk name prefix.
+  const exposeChunkPrefix = '__federation_expose_expose_a';
+  const emittedExposeFiles = fs
+    .readdirSync(__dirname)
+    .filter((f) => f.startsWith(exposeChunkPrefix) && f.endsWith('.js'));
+
+  // At least the primary expose chunk must exist
+  expect(emittedExposeFiles.length).toBeGreaterThanOrEqual(1);
+
+  // Every emitted expose chunk file must appear in the stats assets.
+  // This verifies the fix: without it, split chunks named
+  // "__federation_expose_expose_a-<hash>" would be missed by the direct
+  // Map lookup in StatsManager._getModuleAssets.
+  expect(syncFiles.sort()).toEqual(
+    expect.arrayContaining(emittedExposeFiles.sort()),
+  );
+});
+
+it('should have multiple sync JS files when splitting actually occurred', () => {
+  const syncFiles = stats.exposes[0].assets.js.sync;
+  const exposeChunkPrefix = '__federation_expose_expose_a';
+  const splitChunkFiles = syncFiles.filter((f) =>
+    f.startsWith(exposeChunkPrefix),
+  );
+
+  // With minSize:0 and maxSize:100 and two modules each >100 bytes,
+  // webpack must have produced more than one expose-related chunk.
+  expect(splitChunkFiles.length).toBeGreaterThan(1);
+});

packages/enhanced/test/configCases/container/manifest-split-chunks/module.js

@@ -0,0 +1,2 @@
+export { dataA, extraA } from './part-a';
+export { dataB, extraB } from './part-b';

packages/enhanced/test/configCases/container/manifest-split-chunks/part-a.js

@@ -0,0 +1,3 @@
+// Part A — content intentionally sized to participate in maxSize splitting
+export const dataA = 'part-a-primary-export-value-for-split-chunks-test';
+export const extraA = 'part-a-secondary-export-value-for-split-chunks-test';

packages/enhanced/test/configCases/container/manifest-split-chunks/part-b.js

@@ -0,0 +1,3 @@
+// Part B — content intentionally sized to participate in maxSize splitting
+export const dataB = 'part-b-primary-export-value-for-split-chunks-test';
+export const extraB = 'part-b-secondary-export-value-for-split-chunks-test';

packages/enhanced/test/configCases/container/manifest-split-chunks/webpack.config.js

@@ -0,0 +1,33 @@
+const { ModuleFederationPlugin } = require('../../../../dist/src');
+
+module.exports = {
+  mode: 'production',
+  optimization: {
+    chunkIds: 'named',
+    moduleIds: 'named',
+    splitChunks: {
+      cacheGroups: {
+        'expose-a': {
+          chunks: /__federation_expose_expose_a/,
+          minSize: 0,
+          maxSize: 100,
+          name: '__federation_expose_expose_a',
+        },
+      },
+    },
+  },
+  output: {
+    publicPath: '/',
+  },
+  plugins: [
+    new ModuleFederationPlugin({
+      name: 'manifest_split_chunks',
+      filename: 'container.js',
+      library: { type: 'commonjs-module' },
+      exposes: {
+        './expose-a': './module.js',
+      },
+      manifest: true,
+    }),
+  ],
+};