fix: set the correct asset_info when extracting css (#8454)

crates/rspack_plugin_extract_css/src/plugin.rs

@@ -7,11 +7,11 @@ use rspack_collections::{DatabaseItem, IdentifierMap, IdentifierSet, UkeySet};
 use rspack_core::ChunkGraph;
 use rspack_core::{
   rspack_sources::{ConcatSource, RawSource, SourceMap, SourceMapSource, WithoutOriginalOptions},
-  ApplyContext, AssetInfo, Chunk, ChunkGroupUkey, ChunkKind, ChunkUkey, Compilation,
-  CompilationContentHash, CompilationParams, CompilationRenderManifest,
-  CompilationRuntimeRequirementInTree, CompilerCompilation, CompilerOptions, Filename, Module,
-  ModuleGraph, ModuleIdentifier, ModuleType, NormalModuleFactoryParser, ParserAndGenerator,
-  ParserOptions, PathData, Plugin, PluginContext, RenderManifestEntry, RuntimeGlobals, SourceType,
+  ApplyContext, Chunk, ChunkGroupUkey, ChunkKind, ChunkUkey, Compilation, CompilationContentHash,
+  CompilationParams, CompilationRenderManifest, CompilationRuntimeRequirementInTree,
+  CompilerCompilation, CompilerOptions, Filename, Module, ModuleGraph, ModuleIdentifier,
+  ModuleType, NormalModuleFactoryParser, ParserAndGenerator, ParserOptions, PathData, Plugin,
+  PluginContext, RenderManifestEntry, RuntimeGlobals, SourceType,
 };
 use rspack_error::{Diagnostic, Result};
 use rspack_hash::RspackHash;
@@ -315,7 +315,7 @@ impl PluginCssExtract {
     let mut source = ConcatSource::default();
     let mut external_source = ConcatSource::default();
 
-    let (filename, _) = compilation.get_path_with_info(filename_template, path_data)?;
+    let (filename, asset_info) = compilation.get_path_with_info(filename_template, path_data)?;
 
     for module in used_modules {
       let content = Cow::Borrowed(module.content.as_str());
@@ -412,7 +412,7 @@ impl PluginCssExtract {
       RenderManifestEntry::new(
         Arc::new(external_source),
         filename,
-        AssetInfo::default(),
+        asset_info,
         false,
         false,
       ),

packages/rspack-test-tools/tests/configCases/css/rspack-issue-8431/index.js

@@ -0,0 +1 @@
+import "./style.css";

packages/rspack-test-tools/tests/configCases/css/rspack-issue-8431/rspack.config.js

@@ -0,0 +1,43 @@
+const { rspack } = require("@rspack/core");
+
+class Plugin {
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap("MyPlugin", compilation => {
+			compilation.hooks.processAssets.tap(
+				{
+					name: "MyPlugin",
+					stage: compilation.PROCESS_ASSETS_STAGE_OPTIMIZE_HASH
+				},
+				() => {
+					const css = compilation
+						.getAssets()
+						.find(asset => asset.name.endsWith(".css"));
+					expect(css.info.contenthash.length).toBeGreaterThan(0);
+				}
+			);
+		});
+	}
+}
+
+/** @type {import("@rspack/core").Configuration} */
+module.exports = {
+	entry: "./index.js",
+	target: "web",
+	module: {
+		rules: [
+			{
+				test: /\.css$/,
+				use: [rspack.CssExtractRspackPlugin.loader, "css-loader"]
+			}
+		]
+	},
+	plugins: [
+		new rspack.CssExtractRspackPlugin({
+			filename: "[name].[contenthash].css"
+		}),
+		new Plugin()
+	],
+	experiments: {
+		css: false
+	}
+};

packages/rspack-test-tools/tests/configCases/css/rspack-issue-8431/style.css

@@ -0,0 +1,5 @@
+.example {
+	margin-left: 22px;
+	margin-top: 22px;
+	margin-bottom: 22px;
+}