feat: Upgrade @rspack/core to v2 and fix breaking changes

.vitrine-hooks/pre-merge-commit

@@ -0,0 +1,3 @@
+#!/bin/sh
+echo "error: merge is not allowed in task worktrees" >&2
+exit 1

LICENSES-3rdparty.csv

@@ -168,12 +168,6 @@ Component,Origin,Licence,Copyright
 @jridgewell/trace-mapping,npm,MIT,Justin Ridgewell (https://github.com/jridgewell/sourcemaps/tree/main/packages/trace-mapping)
 @kwsites/file-exists,npm,MIT,Steve King (https://www.npmjs.com/package/@kwsites/file-exists)
 @kwsites/promise-deferred,npm,MIT,Steve King (https://www.npmjs.com/package/@kwsites/promise-deferred)
-@module-federation/error-codes,npm,MIT,zhanghang (https://www.npmjs.com/package/@module-federation/error-codes)
-@module-federation/runtime,npm,MIT,zhouxiao (https://www.npmjs.com/package/@module-federation/runtime)
-@module-federation/runtime-core,npm,MIT,zhouxiao (https://www.npmjs.com/package/@module-federation/runtime-core)
-@module-federation/runtime-tools,npm,MIT,zhanghang (https://www.npmjs.com/package/@module-federation/runtime-tools)
-@module-federation/sdk,npm,MIT,zhanghang (https://www.npmjs.com/package/@module-federation/sdk)
-@module-federation/webpack-bundler-runtime,npm,MIT,zhanghang (https://www.npmjs.com/package/@module-federation/webpack-bundler-runtime)
 @mswjs/interceptors,npm,MIT,Artem Zakharchenko (https://www.npmjs.com/package/@mswjs/interceptors)
 @nodelib/fs.scandir,npm,MIT,(https://www.npmjs.com/package/@nodelib/fs.scandir)
 @nodelib/fs.stat,npm,MIT,(https://www.npmjs.com/package/@nodelib/fs.stat)
@@ -198,7 +192,6 @@ Component,Origin,Licence,Copyright
 @rspack/binding-darwin-arm64,npm,MIT,(https://rspack.rs)
 @rspack/binding-darwin-x64,npm,MIT,(https://rspack.rs)
 @rspack/core,virtual,MIT,(https://rspack.rs)
-@rspack/lite-tapable,npm,MIT,(https://www.npmjs.com/package/@rspack/lite-tapable)
 @samverschueren/stream-to-observable,virtual,MIT,(https://www.npmjs.com/package/@samverschueren/stream-to-observable)
 @simple-git/args-pathspec,npm,MIT,(https://www.npmjs.com/package/@simple-git/args-pathspec)
 @simple-git/argv-parser,npm,MIT,(https://www.npmjs.com/package/@simple-git/argv-parser)

packages/published/rspack-plugin/package.json

@@ -88,7 +88,7 @@
         "@babel/parser": "^7.24.5",
         "@babel/traverse": "^7.24.5",
         "@babel/types": "^7.24.5",
-        "@rspack/core": "1.x",
+        "@rspack/core": "1.x || 2.x",
         "magic-string": "^0.30.0"
     },
     "peerDependenciesMeta": {

packages/tests/jest.config.ts

@@ -12,6 +12,9 @@ const config: JestConfigWithTsJest = {
     clearMocks: true,
     globalSetup: '<rootDir>/src/_jest/globalSetup.ts',
     roots: ['<rootDir>/../'],
+    // @rspack/core v2 is pure ESM; use a custom resolver to load it via a .cjs shim
+    // so Jest's CJS mode can require() it without triggering ERR_REQUIRE_ESM.
+    resolver: '<rootDir>/src/_jest/rspack-jest-resolver.cjs',
     setupFilesAfterEnv: ['<rootDir>/src/_jest/setupAfterEnv.ts'],
     testEnvironment: 'node',
     testMatch: ['**/*.test.*'],

packages/tests/package.json

@@ -48,7 +48,7 @@
         "ts-jest": "29.4.0"
     },
     "devDependencies": {
-        "@rspack/core": "1.4.9",
+        "@rspack/core": "2.0.8",
         "@types/faker": "5.5.9",
         "@types/jest": "^29",
         "@types/node": "^20",

packages/tests/src/_jest/rspack-cjs-shim.cjs

@@ -0,0 +1,26 @@
+/**
+ * CJS shim for @rspack/core v2 (which is pure ESM).
+ *
+ * @rspack/core v2 is a pure ESM package. Jest's CJS module runtime cannot
+ * require() it directly when --experimental-vm-modules is active (because
+ * shouldLoadAsEsm() returns true for packages with "type":"module", causing
+ * Jest to throw ERR_REQUIRE_ESM before reaching its transformer).
+ *
+ * This shim is resolved by the Jest custom resolver (rspack-jest-resolver.cjs)
+ * for any require('@rspack/core') call. It re-exports rspack using Node's
+ * createRequire(), which bypasses Jest's module interception entirely and
+ * uses Node's native loader that supports require(esm) in Node >=20.17.
+ *
+ * The shim file uses the .cjs extension so that shouldLoadAsEsm() returns
+ * false unconditionally, bypassing the ESM guard in Jest's requireModule().
+ */
+
+const { createRequire } = require('module');
+
+// Create a require function anchored to this file's location.
+// Unlike module.require (which Jest patches), createRequire() returns Node's
+// native loader function, allowing it to load ESM packages via require(esm).
+const nativeRequire = createRequire(__filename);
+const rspack = nativeRequire('@rspack/core');
+
+module.exports = rspack;

packages/tests/src/_jest/rspack-jest-resolver.cjs

@@ -0,0 +1,23 @@
+/**
+ * Custom Jest resolver that maps @rspack/core to a CJS-compatible shim.
+ *
+ * @rspack/core v2 is a pure ESM package. Jest's CJS module runtime cannot
+ * require() it directly when --experimental-vm-modules is active (because
+ * shouldLoadAsEsm() returns true for packages with "type":"module", causing
+ * Jest to throw ERR_REQUIRE_ESM before reaching its transformer).
+ *
+ * This resolver intercepts require('@rspack/core') and returns the path to
+ * rspack-cjs-shim.cjs instead. The .cjs extension makes shouldLoadAsEsm()
+ * return false unconditionally, allowing Jest to load the module normally.
+ * The shim itself uses Node's native Module._load to load the real rspack
+ * (Node >=20.17 supports require(esm) natively).
+ */
+
+const path = require('path');
+
+module.exports = (request, options) => {
+    if (request === '@rspack/core') {
+        return path.resolve(__dirname, 'rspack-cjs-shim.cjs');
+    }
+    return options.defaultResolver(request, options);
+};

packages/tools/package.json

@@ -48,7 +48,7 @@
         "@inquirer/select": "2.3.3",
         "@rollup/plugin-commonjs": "28.0.1",
         "@rollup/plugin-node-resolve": "15.3.0",
-        "@rspack/core": "1.4.9",
+        "@rspack/core": "2.0.8",
         "chalk": "2.3.1",
         "clipanion": "4.0.0-rc.3",
         "esbuild": "0.25.8",

packages/tools/src/bundlers.ts

@@ -194,9 +194,6 @@ export const configXpack = (config: BundlerConfig): Configuration & RspackOption
     const baseConfig: Configuration & RspackOptions = {
         context: config.workingDir,
         entry,
-        experiments: {
-            css: true,
-        },
         mode: 'none',
         output: {
             path: config.outDir,
@@ -226,7 +223,11 @@ export const configXpack = (config: BundlerConfig): Configuration & RspackOption
         extensions: ['.tsx', '.ts', '.js'],
     };
     baseConfig.module = {
-        rules: [{ test: /\.([cm]?ts|tsx)$/, loader: 'ts-loader' }],
+        rules: [
+            { test: /\.([cm]?ts|tsx)$/, loader: 'ts-loader' },
+            // rspack v2 requires explicit CSS type rule (experiments.css was removed)
+            { test: /\.css$/, type: 'css' },
+        ],
     };
 
     return baseConfig;