test(enhanced): remove invalid sharing cases lacking webpack.config.js and stabilize enhanced tests

Author: ScriptedAlchemy

packages/enhanced/test/configCases/sharing/next-pages-layer-unify/index.js

@@ -0,0 +1,9 @@
+it('unifies React/DOM/JSX via pages-dir aliases with full federation', () => {
+  // Important: use a dynamic import to create an async boundary so
+  // federation runtime initializes before we touch shared consumes.
+  return import('./suite').then(({ run }) => run());
+});
+
+module.exports = {
+  testName: 'next-pages-layer-unify',
+};

packages/enhanced/test/configCases/sharing/next-pages-layer-unify/node_modules/next/package.json

@@ -0,0 +1,4 @@
+{
+  "name": "next-pages-layer-unify",
+  "version": "1.0.0"
+}

packages/enhanced/test/configCases/sharing/next-pages-layer-unify/node_modules/react-dom/index.js

@@ -0,0 +1,32 @@
+export async function run() {
+  // Require ids unify to the shared targets
+  const reactId = require.resolve('react');
+  const reactTargetId = require.resolve('next/dist/compiled/react');
+  expect(reactId).toBe(reactTargetId);
+  expect(reactId).toMatch(/webpack\/sharing/);
+
+  const domId = require.resolve('react-dom');
+  const domTargetId = require.resolve('next/dist/compiled/react-dom');
+  expect(domId).toBe(domTargetId);
+  expect(domId).toMatch(/webpack\/sharing/);
+
+  const jsxId = require.resolve('react/jsx-runtime');
+  const jsxTargetId = require.resolve('next/dist/compiled/react/jsx-runtime');
+  expect(jsxId).toBe(jsxTargetId);
+
+  // Imports resolve to compiled Next stubs and are identical via alias or direct
+  const React = await import('react');
+  const ReactDirect = await import('next/dist/compiled/react');
+  expect(React.id).toBe('compiled-react');
+  expect(React).toEqual(ReactDirect);
+
+  const ReactDOM = await import('react-dom');
+  const ReactDOMDirect = await import('next/dist/compiled/react-dom');
+  expect(ReactDOM.id).toBe('compiled-react-dom');
+  expect(ReactDOM).toEqual(ReactDOMDirect);
+
+  const jsx = await import('react/jsx-runtime');
+  const jsxDirect = await import('next/dist/compiled/react/jsx-runtime');
+  expect(jsx.jsx).toBe('compiled-jsx');
+  expect(jsx).toEqual(jsxDirect);
+}

packages/enhanced/test/configCases/sharing/next-pages-layer-unify/node_modules/react-dom/package.json

@@ -0,0 +1,93 @@
+const { ModuleFederationPlugin } = require('../../../../dist/src');
+const path = require('path');
+const fs = require('fs');
+
+const ensureStub = (relativeTarget, source) => {
+  const target = path.resolve(__dirname, relativeTarget);
+  fs.mkdirSync(path.dirname(target), { recursive: true });
+  fs.writeFileSync(target, source);
+};
+
+const exportStub = (bodyLines) =>
+  [
+    ...bodyLines,
+    'stub.__esModule = true;',
+    'stub.default = stub;',
+    'module.exports = stub;',
+    '',
+  ].join('\n');
+
+ensureStub(
+  'node_modules/next/dist/compiled/react.js',
+  exportStub([
+    "const stub = { id: 'compiled-react', marker: 'compiled-react', jsx: 'compiled-jsx' };",
+  ]),
+);
+
+ensureStub(
+  'node_modules/next/dist/compiled/react-dom/index.js',
+  exportStub([
+    "const stub = { id: 'compiled-react-dom', marker: 'compiled-react-dom' };",
+  ]),
+);
+
+ensureStub(
+  'node_modules/next/dist/compiled/react/jsx-runtime.js',
+  [
+    "const stub = { id: 'compiled-react', marker: 'compiled-react', jsx: 'compiled-jsx' };",
+    'stub.__esModule = true;',
+    'stub.default = stub;',
+    'module.exports = stub;',
+    '',
+  ].join('\n'),
+);
+
+module.exports = {
+  mode: 'development',
+  devtool: false,
+  experiments: {
+    layers: true,
+  },
+  module: {
+    rules: [
+      {
+        test: /\.(js|jsx)$/,
+        include: __dirname,
+        layer: 'pages-dir-browser',
+      },
+    ],
+  },
+  resolve: {
+    alias: {
+      react: path.resolve(__dirname, 'node_modules/next/dist/compiled/react'),
+      'react-dom': path.resolve(
+        __dirname,
+        'node_modules/next/dist/compiled/react-dom',
+      ),
+      'react/jsx-runtime': path.resolve(
+        __dirname,
+        'node_modules/next/dist/compiled/react/jsx-runtime.js',
+      ),
+    },
+  },
+  plugins: [
+    new ModuleFederationPlugin({
+      name: 'next-pages-layer-unify',
+      experiments: { asyncStartup: false, aliasConsumption: true },
+      shared: {
+        'next/dist/compiled/react': {
+          singleton: true,
+          eager: true,
+          requiredVersion: false,
+          allowNodeModulesSuffixMatch: true,
+        },
+        'next/dist/compiled/react-dom': {
+          singleton: true,
+          eager: true,
+          requiredVersion: false,
+          allowNodeModulesSuffixMatch: true,
+        },
+      },
+    }),
+  ],
+};