feat: use CssExtractRspackPlugin to extract CSS

e2e/cases/css/css-assets/index.test.ts

@@ -0,0 +1,22 @@
+import path from 'node:path';
+import { build } from '@e2e/helper';
+import { globContentJSON } from '@e2e/helper';
+import { expect, test } from '@playwright/test';
+
+test('should build CSS assets correctly', async () => {
+  await expect(
+    build({
+      cwd: __dirname,
+      rsbuildConfig: {},
+    }),
+  ).resolves.toBeDefined();
+
+  const outputs = await globContentJSON(path.join(__dirname, 'dist'));
+  const outputFiles = Object.keys(outputs);
+
+  expect(
+    outputFiles.find(
+      (item) => item.includes('static/image/image') && item.endsWith('.jpeg'),
+    ),
+  ).toBeTruthy();
+});

e2e/cases/css/css-assets/rsbuild.config.ts

@@ -0,0 +1,7 @@
+import { defineConfig } from '@rsbuild/core';
+import { pluginReact } from '@rsbuild/plugin-react';
+
+export default defineConfig({
+  plugins: [pluginReact()],
+  output: {}
+});

e2e/cases/css/css-assets/src/index.tsx

@@ -0,0 +1,7 @@
+function load(key: string)  {
+  import(`./test/${key}`).then(res => {
+    console.log('res', res);  
+  })
+}
+
+load('a');

e2e/cases/css/css-assets/src/test/a.ts

@@ -0,0 +1,5 @@
+import styles from './index.module.less';
+
+console.log('s', styles);
+
+export const a = 1;

e2e/cases/css/css-assets/src/test/index.module.less

@@ -0,0 +1,3 @@
+.header {
+  background: url('@assets/image.jpeg') no-repeat;
+}

e2e/cases/css/css-modules-named-export/index.test.ts

@@ -7,6 +7,16 @@ rspackOnlyTest(
     const rsbuild = await build({
       cwd: __dirname,
       runServer: true,
+      rsbuildConfig: {
+        tools: {
+          cssLoader: {
+            modules: {
+              // TODO: css-loader need support named export when namedExports: false.
+              namedExport: true
+            }
+          }
+        }
+      }
     });
     const files = await rsbuild.unwrapOutputJSON();
 

e2e/cases/server/hmr/rsbuild.config.ts

@@ -0,0 +1,6 @@
+import { defineConfig } from '@rsbuild/core';
+import { pluginReact } from '@rsbuild/plugin-react';
+
+export default defineConfig({
+  plugins: [pluginReact()],
+});

e2e/scripts/shared.ts

@@ -146,6 +146,27 @@ export async function dev({
 
   const rsbuild = await createRsbuild(options, plugins);
 
+  rsbuild.addPlugins([
+    {
+      // fix hmr problem temporary (only appears in rsbuild repo, because css-loader is not in node_modules/ )
+      // https://github.com/web-infra-dev/rspack/issues/5723
+      name: 'fix-react-refresh-in-rsbuild',
+      setup(api) {
+        api.modifyBundlerChain({
+          order: 'post',
+          handler: (chain, { CHAIN_ID }) => {
+            if (chain.plugins.has(CHAIN_ID.PLUGIN.REACT_FAST_REFRESH)) {
+              chain.plugin(CHAIN_ID.PLUGIN.REACT_FAST_REFRESH).tap((config) => {
+                config[0].exclude = [/node_modules/, /css-loader/];
+                return config;
+              });
+            }
+          },
+        });
+      },
+    },
+  ]);
+
   const result = await rsbuild.startDevServer();
 
   return {

packages/compat/webpack/src/plugins/css.ts

@@ -1,26 +1,18 @@
 import {
   type BundlerChainRule,
-  type CSSExtractOptions,
   CSS_REGEX,
   type ModifyChainUtils,
   type NormalizedConfig,
   type RsbuildContext,
   type RsbuildPlugin,
-  getBrowserslistWithDefault,
-  getCssLoaderOptions,
-  getCssModuleLocalIdentName,
-  getPostcssLoaderOptions,
-  getSharedPkgCompiledPath,
-  isUseCssExtract,
-  mergeChainedOptions,
-  resolvePackage,
+  applyCSSRule,
 } from '@rsbuild/shared';
 
 export async function applyBaseCSSRule({
   rule,
   config,
   context,
-  utils: { target, isProd, isServer, CHAIN_ID, isWebWorker },
+  utils,
   importLoaders = 1,
 }: {
   rule: BundlerChainRule;
@@ -29,108 +21,15 @@ export async function applyBaseCSSRule({
   utils: ModifyChainUtils;
   importLoaders?: number;
 }) {
-  const browserslist = await getBrowserslistWithDefault(
-    context.rootPath,
-    config,
-    target,
-  );
-
-  // 1. Check user config
-  const enableExtractCSS = isUseCssExtract(config, target);
-  const enableCSSModuleTS = Boolean(config.output.enableCssModuleTSDeclaration);
-
-  // 2. Prepare loader options
-  const localIdentName = getCssModuleLocalIdentName(config, isProd);
-
-  const cssLoaderOptions = getCssLoaderOptions({
+  const { default: cssExtractPlugin } = await import('mini-css-extract-plugin');
+  return applyCSSRule({
+    rule,
     config,
+    context,
+    utils,
     importLoaders,
-    isServer,
-    isWebWorker,
-    localIdentName,
+    cssExtractPlugin,
   });
-
-  // 3. Create webpack rule
-  // Order: style-loader/mini-css-extract -> css-loader -> postcss-loader
-  if (!isServer && !isWebWorker) {
-    // use mini-css-extract-plugin loader
-    if (enableExtractCSS) {
-      const extraCSSOptions: Required<CSSExtractOptions> =
-        typeof config.tools.cssExtract === 'object'
-          ? config.tools.cssExtract
-          : {
-              loaderOptions: {},
-              pluginOptions: {},
-            };
-
-      rule
-        .use(CHAIN_ID.USE.MINI_CSS_EXTRACT)
-        .loader(require('mini-css-extract-plugin').loader)
-        .options(extraCSSOptions.loaderOptions)
-        .end();
-    }
-    // use style-loader
-    else {
-      const styleLoaderOptions = mergeChainedOptions({
-        defaults: {},
-        options: config.tools.styleLoader,
-      });
-
-      rule
-        .use(CHAIN_ID.USE.STYLE)
-        .loader(getSharedPkgCompiledPath('style-loader'))
-        .options(styleLoaderOptions)
-        .end();
-    }
-
-    // use css-modules-typescript-loader
-    if (enableCSSModuleTS && cssLoaderOptions.modules) {
-      rule
-        .use(CHAIN_ID.USE.CSS_MODULES_TS)
-        .loader(
-          resolvePackage(
-            '@rsbuild/shared/css-modules-typescript-loader',
-            __dirname,
-          ),
-        )
-        .options({
-          modules: cssLoaderOptions.modules,
-        })
-        .end();
-    }
-  } else {
-    rule
-      .use(CHAIN_ID.USE.IGNORE_CSS)
-      .loader(resolvePackage('@rsbuild/shared/ignore-css-loader', __dirname))
-      .end();
-  }
-
-  rule
-    .use(CHAIN_ID.USE.CSS)
-    .loader(getSharedPkgCompiledPath('css-loader'))
-    .options(cssLoaderOptions)
-    .end();
-
-  if (!isServer && !isWebWorker) {
-    const postcssLoaderOptions = await getPostcssLoaderOptions({
-      browserslist,
-      config,
-      root: context.rootPath,
-    });
-
-    rule
-      .use(CHAIN_ID.USE.POSTCSS)
-      .loader(getSharedPkgCompiledPath('postcss-loader'))
-      .options(postcssLoaderOptions)
-      .end();
-  }
-
-  // CSS imports should always be treated as sideEffects
-  rule.merge({ sideEffects: true });
-
-  // Enable preferRelative by default, which is consistent with the default behavior of css-loader
-  // see: https://github.com/webpack-contrib/css-loader/blob/579fc13/src/plugins/postcss-import-parser.js#L234
-  rule.resolve.preferRelative(true);
 }
 
 export const pluginCss = (): RsbuildPlugin => {

packages/compat/webpack/tests/__snapshots__/css.test.ts.snap

@@ -12,7 +12,7 @@ exports[`plugin-css > should not apply postcss-loader when target is node 1`] =
         "test": /\\\\\\.css\\$/,
         "use": [
           {
-            "loader": "@rsbuild/shared/ignore-css-loader",
+            "loader": "<ROOT>/packages/shared/dist/loaders/ignoreCssLoader",
           },
           {
             "loader": "<ROOT>/packages/shared/compiled/css-loader",

packages/compat/webpack/tests/__snapshots__/default.test.ts.snap

@@ -1288,7 +1288,7 @@ exports[`applyDefaultPlugins > should apply default plugins correctly when targe
         "test": /\\\\\\.css\\$/,
         "use": [
           {
-            "loader": "@rsbuild/shared/ignore-css-loader",
+            "loader": "<ROOT>/packages/shared/dist/loaders/ignoreCssLoader",
           },
           {
             "loader": "<ROOT>/packages/shared/compiled/css-loader",
@@ -1314,7 +1314,7 @@ exports[`applyDefaultPlugins > should apply default plugins correctly when targe
         "test": /\\\\\\.s\\(\\?:a\\|c\\)ss\\$/,
         "use": [
           {
-            "loader": "@rsbuild/shared/ignore-css-loader",
+            "loader": "<ROOT>/packages/shared/dist/loaders/ignoreCssLoader",
           },
           {
             "loader": "<ROOT>/packages/shared/compiled/css-loader",
@@ -1354,7 +1354,7 @@ exports[`applyDefaultPlugins > should apply default plugins correctly when targe
         "test": /\\\\\\.less\\$/,
         "use": [
           {
-            "loader": "@rsbuild/shared/ignore-css-loader",
+            "loader": "<ROOT>/packages/shared/dist/loaders/ignoreCssLoader",
           },
           {
             "loader": "<ROOT>/packages/shared/compiled/css-loader",
@@ -1634,7 +1634,7 @@ exports[`applyDefaultPlugins > should apply default plugins correctly when targe
         "test": /\\\\\\.css\\$/,
         "use": [
           {
-            "loader": "@rsbuild/shared/ignore-css-loader",
+            "loader": "<ROOT>/packages/shared/dist/loaders/ignoreCssLoader",
           },
           {
             "loader": "<ROOT>/packages/shared/compiled/css-loader",
@@ -1660,7 +1660,7 @@ exports[`applyDefaultPlugins > should apply default plugins correctly when targe
         "test": /\\\\\\.s\\(\\?:a\\|c\\)ss\\$/,
         "use": [
           {
-            "loader": "@rsbuild/shared/ignore-css-loader",
+            "loader": "<ROOT>/packages/shared/dist/loaders/ignoreCssLoader",
           },
           {
             "loader": "<ROOT>/packages/shared/compiled/css-loader",
@@ -1700,7 +1700,7 @@ exports[`applyDefaultPlugins > should apply default plugins correctly when targe
         "test": /\\\\\\.less\\$/,
         "use": [
           {
-            "loader": "@rsbuild/shared/ignore-css-loader",
+            "loader": "<ROOT>/packages/shared/dist/loaders/ignoreCssLoader",
           },
           {
             "loader": "<ROOT>/packages/shared/compiled/css-loader",

packages/core/src/internal.ts

@@ -9,8 +9,8 @@ export { createContext, createPublicContext } from './createContext';
 export { initPlugins, createPluginManager } from './pluginManager';
 export { initHooks, type Hooks } from './initHooks';
 export { initRsbuildConfig } from './provider/initConfigs';
+export { applyBaseCSSRule } from './provider/plugins/css';
 export { getPluginAPI } from './initPlugins';
-export { applyBaseCSSRule, applyCSSModuleRule } from './provider/plugins/css';
 export type { InternalContext } from './types';
 export { setHTMLPlugin, getHTMLPlugin } from './htmlUtils';
 export { formatStats, getStatsOptions } from './provider/shared';