fix: css url public path

lib/RuntimeTemplate.js

@@ -1113,12 +1113,11 @@ class RuntimeTemplate {
 	/**
 	 * @param {Object} options options object
 	 * @param {Module} options.module the module
-	 * @param {string} options.publicPath the public path
 	 * @param {RuntimeSpec=} options.runtime runtime
 	 * @param {CodeGenerationResults} options.codeGenerationResults the code generation results
 	 * @returns {string} the url of the asset
 	 */
-	assetUrl({ publicPath, runtime, module, codeGenerationResults }) {
+	assetUrl({ runtime, module, codeGenerationResults }) {
 		if (!module) {
 			return "data:,";
 		}
@@ -1128,8 +1127,8 @@ class RuntimeTemplate {
 		);
 		const url = data.get("url");
 		if (url) return url.toString();
-		const filename = data.get("filename");
-		return publicPath + filename;
+		const assetPath = data.get("assetPathForCss");
+		return assetPath;
 	}
 }
 

lib/asset/AssetGenerator.js

@@ -12,6 +12,7 @@ const ConcatenationScope = require("../ConcatenationScope");
 const Generator = require("../Generator");
 const { ASSET_MODULE_TYPE } = require("../ModuleTypeConstants");
 const RuntimeGlobals = require("../RuntimeGlobals");
+const CssUrlDependency = require("../dependencies/CssUrlDependency");
 const createHash = require("../util/createHash");
 const { makePathsRelative } = require("../util/identifier");
 const nonNumericOnlyHash = require("../util/nonNumericOnlyHash");
@@ -321,6 +322,7 @@ class AssetGenerator extends Generator {
 							}
 						);
 					let assetPath;
+					let assetPathForCss;
 					if (this.publicPath !== undefined) {
 						const { path, info } =
 							runtimeTemplate.compilation.getAssetPathWithInfo(
@@ -335,12 +337,24 @@ class AssetGenerator extends Generator {
 							);
 						assetInfo = mergeAssetInfo(assetInfo, info);
 						assetPath = JSON.stringify(path + filename);
+						assetPathForCss = path + filename;
 					} else {
 						runtimeRequirements.add(RuntimeGlobals.publicPath); // add __webpack_require__.p
 						assetPath = runtimeTemplate.concatenation(
 							{ expr: RuntimeGlobals.publicPath },
 							filename
 						);
+						const compilation = runtimeTemplate.compilation;
+						const path =
+							compilation.outputOptions.publicPath === "auto"
+								? CssUrlDependency.PUBLIC_PATH_AUTO
+								: compilation.getAssetPath(
+										compilation.outputOptions.publicPath,
+										{
+											hash: compilation.hash
+										}
+									);
+						assetPathForCss = path + filename;
 					}
 					assetInfo = {
 						sourceFilename,
@@ -371,6 +385,7 @@ class AssetGenerator extends Generator {
 						data.set("fullContentHash", fullHash);
 						data.set("filename", filename);
 						data.set("assetInfo", assetInfo);
+						data.set("assetPathForCss", assetPathForCss);
 					}
 					content = assetPath;
 				}

lib/css/CssModulesPlugin.js

@@ -5,7 +5,12 @@
 
 "use strict";
 
-const { ConcatSource, PrefixSource } = require("webpack-sources");
+const {
+	ConcatSource,
+	PrefixSource,
+	ReplaceSource,
+	CachedSource
+} = require("webpack-sources");
 const CssModule = require("../CssModule");
 const HotUpdateChunk = require("../HotUpdateChunk");
 const {
@@ -26,6 +31,7 @@ const StaticExportsDependency = require("../dependencies/StaticExportsDependency
 const { compareModulesByIdentifier } = require("../util/comparators");
 const createSchemaValidation = require("../util/create-schema-validation");
 const createHash = require("../util/createHash");
+const { getUndoPath } = require("../util/identifier");
 const memoize = require("../util/memoize");
 const nonNumericOnlyHash = require("../util/nonNumericOnlyHash");
 const CssExportsGenerator = require("./CssExportsGenerator");
@@ -39,6 +45,7 @@ const CssParser = require("./CssParser");
 /** @typedef {import("../CodeGenerationResults")} CodeGenerationResults */
 /** @typedef {import("../Compilation")} Compilation */
 /** @typedef {import("../Compiler")} Compiler */
+/** @typedef {import("../CssModule").Inheritance} Inheritance */
 /** @typedef {import("../DependencyTemplate").CssExportsData} CssExportsData */
 /** @typedef {import("../Module")} Module */
 /** @typedef {import("../util/memoize")} Memoize */
@@ -161,6 +168,11 @@ const LZWEncode = str => {
 const plugin = "CssModulesPlugin";
 
 class CssModulesPlugin {
+	constructor() {
+		/** @type {WeakMap<Source, { undoPath: string, inheritance: Inheritance, source: CachedSource }>} */
+		this._moduleCache = new WeakMap();
+	}
+
 	/**
 	 * Apply the plugin
 	 * @param {Compiler} compiler the compiler instance
@@ -356,6 +368,23 @@ class CssModulesPlugin {
 
 					/** @type {CssModule[] | undefined} */
 					const modules = orderedCssModulesPerChunk.get(chunk);
+					const { path: filename, info } = compilation.getPathWithInfo(
+						CssModulesPlugin.getChunkFilenameTemplate(
+							chunk,
+							compilation.outputOptions
+						),
+						{
+							hash,
+							runtime: chunk.runtime,
+							chunk,
+							contentHashType: "css"
+						}
+					);
+					const undoPath = getUndoPath(
+						filename,
+						compilation.outputOptions.path,
+						false
+					);
 					if (modules !== undefined) {
 						result.push({
 							render: () =>
@@ -366,18 +395,11 @@ class CssModulesPlugin {
 									uniqueName: compilation.outputOptions.uniqueName,
 									cssHeadDataCompression:
 										compilation.outputOptions.cssHeadDataCompression,
+									undoPath,
 									modules
 								}),
-							filenameTemplate: CssModulesPlugin.getChunkFilenameTemplate(
-								chunk,
-								compilation.outputOptions
-							),
-							pathOptions: {
-								hash,
-								runtime: chunk.runtime,
-								chunk,
-								contentHashType: "css"
-							},
+							filename,
+							info,
 							identifier: `css${chunk.id}`,
 							hash: chunk.contentHash.css
 						});
@@ -572,10 +594,144 @@ class CssModulesPlugin {
 		];
 	}
 
+	/**
+	 * @param {Object} options options
+	 * @param {string[]} options.metaData meta data
+	 * @param {string} options.undoPath undo path for public path auto
+	 * @param {Chunk} options.chunk chunk
+	 * @param {ChunkGraph} options.chunkGraph chunk graph
+	 * @param {CodeGenerationResults} options.codeGenerationResults code generation results
+	 * @param {CssModule} options.module css module
+	 * @returns {Source} css module source
+	 */
+	renderModule({
+		metaData,
+		undoPath,
+		chunk,
+		chunkGraph,
+		codeGenerationResults,
+		module
+	}) {
+		const codeGenResult = codeGenerationResults.get(module, chunk.runtime);
+		const moduleSourceContent =
+			/** @type {Source} */
+			(
+				codeGenResult.sources.get("css") ||
+					codeGenResult.sources.get("css-import")
+			);
+
+		const cacheEntry = this._moduleCache.get(moduleSourceContent);
+
+		/** @type {Inheritance} */
+		let inheritance = [[module.cssLayer, module.supports, module.media]];
+		if (module.inheritance) {
+			inheritance.push(...module.inheritance);
+		}
+
+		let source;
+		if (
+			cacheEntry &&
+			cacheEntry.undoPath === undoPath &&
+			cacheEntry.inheritance.every(([layer, supports, media], i) => {
+				const item = inheritance[i];
+				if (Array.isArray(item)) {
+					return layer === item[0] && supports === item[1] && media === item[2];
+				}
+				return false;
+			})
+		) {
+			source = cacheEntry.source;
+		} else {
+			const moduleSourceCode = /** @type {string} */ (
+				moduleSourceContent.source()
+			);
+			const publicPathAutoRegex = new RegExp(
+				CssUrlDependency.PUBLIC_PATH_AUTO,
+				"g"
+			);
+			/** @type {Source} */
+			let moduleSource = new ReplaceSource(moduleSourceContent);
+			let match;
+			while ((match = publicPathAutoRegex.exec(moduleSourceCode))) {
+				/** @type {ReplaceSource} */ (moduleSource).replace(
+					match.index,
+					(match.index += match[0].length - 1),
+					undoPath
+				);
+			}
+
+			for (let i = 0; i < inheritance.length; i++) {
+				const layer = inheritance[i][0];
+				const supports = inheritance[i][1];
+				const media = inheritance[i][2];
+
+				if (media) {
+					moduleSource = new ConcatSource(
+						`@media ${media} {\n`,
+						new PrefixSource("\t", moduleSource),
+						"}\n"
+					);
+				}
+
+				if (supports) {
+					moduleSource = new ConcatSource(
+						`@supports (${supports}) {\n`,
+						new PrefixSource("\t", moduleSource),
+						"}\n"
+					);
+				}
+
+				// Layer can be anonymous
+				if (layer !== undefined && layer !== null) {
+					moduleSource = new ConcatSource(
+						`@layer${layer ? ` ${layer}` : ""} {\n`,
+						new PrefixSource("\t", moduleSource),
+						"}\n"
+					);
+				}
+			}
+
+			if (moduleSource) {
+				moduleSource = new ConcatSource(moduleSource, "\n");
+			}
+
+			source = new CachedSource(moduleSource);
+			this._moduleCache.set(moduleSourceContent, {
+				inheritance,
+				undoPath,
+				source
+			});
+		}
+		/** @type {CssExportsData | undefined} */
+		const cssExportsData =
+			codeGenResult.data && codeGenResult.data.get("css-exports");
+		const exports = cssExportsData && cssExportsData.exports;
+		const esModule = cssExportsData && cssExportsData.esModule;
+		let moduleId = chunkGraph.getModuleId(module) + "";
+
+		// When `optimization.moduleIds` is `named` the module id is a path, so we need to normalize it between platforms
+		if (typeof moduleId === "string") {
+			moduleId = moduleId.replace(/\\/g, "/");
+		}
+
+		metaData.push(
+			`${
+				exports
+					? Array.from(
+							exports,
+							([n, v]) => `${escapeCss(n)}:${escapeCss(v)}/`
+						).join("")
+					: ""
+			}${esModule ? "&" : ""}${escapeCss(moduleId)}`
+		);
+		return source;
+	}
+
 	/**
 	 * @param {Object} options options
 	 * @param {string | undefined} options.uniqueName unique name
 	 * @param {boolean | undefined} options.cssHeadDataCompression compress css head data
+	 * @param {string} options.undoPath undo path for public path auto
 	 * @param {Chunk} options.chunk chunk
 	 * @param {ChunkGraph} options.chunkGraph chunk graph
 	 * @param {CodeGenerationResults} options.codeGenerationResults code generation results
@@ -585,6 +741,7 @@ class CssModulesPlugin {
 	renderChunk({
 		uniqueName,
 		cssHeadDataCompression,
+		undoPath,
 		chunk,
 		chunkGraph,
 		codeGenerationResults,
@@ -595,78 +752,15 @@ class CssModulesPlugin {
 		const metaData = [];
 		for (const module of modules) {
 			try {
-				const codeGenResult = codeGenerationResults.get(module, chunk.runtime);
-
-				let moduleSource =
-					/** @type {Source} */
-					(
-						codeGenResult.sources.get("css") ||
-							codeGenResult.sources.get("css-import")
-					);
-
-				let inheritance = [[module.cssLayer, module.supports, module.media]];
-
-				if (module.inheritance) {
-					inheritance.push(...module.inheritance);
-				}
-
-				for (let i = 0; i < inheritance.length; i++) {
-					const layer = inheritance[i][0];
-					const supports = inheritance[i][1];
-					const media = inheritance[i][2];
-
-					if (media) {
-						moduleSource = new ConcatSource(
-							`@media ${media} {\n`,
-							new PrefixSource("\t", moduleSource),
-							"}\n"
-						);
-					}
-
-					if (supports) {
-						moduleSource = new ConcatSource(
-							`@supports (${supports}) {\n`,
-							new PrefixSource("\t", moduleSource),
-							"}\n"
-						);
-					}
-
-					// Layer can be anonymous
-					if (layer !== undefined && layer !== null) {
-						moduleSource = new ConcatSource(
-							`@layer${layer ? ` ${layer}` : ""} {\n`,
-							new PrefixSource("\t", moduleSource),
-							"}\n"
-						);
-					}
-				}
-
-				if (moduleSource) {
-					source.add(moduleSource);
-					source.add("\n");
-				}
-				/** @type {CssExportsData | undefined} */
-				const cssExportsData =
-					codeGenResult.data && codeGenResult.data.get("css-exports");
-				const exports = cssExportsData && cssExportsData.exports;
-				const esModule = cssExportsData && cssExportsData.esModule;
-				let moduleId = chunkGraph.getModuleId(module) + "";
-
-				// When `optimization.moduleIds` is `named` the module id is a path, so we need to normalize it between platforms
-				if (typeof moduleId === "string") {
-					moduleId = moduleId.replace(/\\/g, "/");
-				}
-
-				metaData.push(
-					`${
-						exports
-							? Array.from(
-									exports,
-									([n, v]) => `${escapeCss(n)}:${escapeCss(v)}/`
-								).join("")
-							: ""
-					}${esModule ? "&" : ""}${escapeCss(moduleId)}`
-				);
+				const moduleSource = this.renderModule({
+					metaData,
+					undoPath,
+					chunk,
+					chunkGraph,
+					codeGenerationResults,
+					module
+				});
+				source.add(moduleSource);
 			} catch (e) {
 				/** @type {Error} */
 				(e).message += `\nduring rendering of css ${module.identifier()}`;

lib/dependencies/CssUrlDependency.js

@@ -126,6 +126,7 @@ CssUrlDependency.Template = class CssUrlDependencyTemplate extends (
 		{ moduleGraph, runtimeTemplate, codeGenerationResults }
 	) {
 		const dep = /** @type {CssUrlDependency} */ (dependency);
+		const module = /** @type {Module} */ (moduleGraph.getModule(dep));
 
 		/** @type {string | undefined} */
 		let newValue;
@@ -134,8 +135,7 @@ CssUrlDependency.Template = class CssUrlDependencyTemplate extends (
 			case "string":
 				newValue = cssEscapeString(
 					runtimeTemplate.assetUrl({
-						publicPath: "",
-						module: /** @type {Module} */ (moduleGraph.getModule(dep)),
+						module,
 						codeGenerationResults
 					})
 				);
@@ -143,8 +143,7 @@ CssUrlDependency.Template = class CssUrlDependencyTemplate extends (
 			case "url":
 				newValue = `url(${cssEscapeString(
 					runtimeTemplate.assetUrl({
-						publicPath: "",
-						module: /** @type {Module} */ (moduleGraph.getModule(dep)),
+						module,
 						codeGenerationResults
 					})
 				)})`;
@@ -161,4 +160,6 @@ CssUrlDependency.Template = class CssUrlDependencyTemplate extends (
 
 makeSerializable(CssUrlDependency, "webpack/lib/dependencies/CssUrlDependency");
 
+CssUrlDependency.PUBLIC_PATH_AUTO = "__WEBPACK_CSS_PUBLIC_PATH_AUTO__";
+
 module.exports = CssUrlDependency;

test/__snapshots__/ConfigCacheTestCases.longtest.js.snap

@@ -4183,3 +4183,84 @@ Object {
   "n": " green url(img.09a1a1112c577c279435.png) xyz",
 }
 `;
+
+exports[`ConfigCacheTestCases css urls-css-filename exported tests should generate correct url public path with css filename 1`] = `
+Object {
+  "getPropertyValue": [Function],
+  "nested-dir": " url(../../bundle0/assets/img2.png)",
+  "nested-nested-dir": " url(../../bundle0/assets/img3.png)",
+  "same-dir": " url(../../bundle0/assets/img1.png)",
+}
+`;
+
+exports[`ConfigCacheTestCases css urls-css-filename exported tests should generate correct url public path with css filename 2`] = `
+Object {
+  "getPropertyValue": [Function],
+  "nested-dir": " url(../../bundle0/assets/img3.png)",
+  "outer-dir": " url(../../bundle0/assets/img1.png)",
+  "same-dir": " url(../../bundle0/assets/img2.png)",
+}
+`;
+
+exports[`ConfigCacheTestCases css urls-css-filename exported tests should generate correct url public path with css filename 3`] = `
+Object {
+  "getPropertyValue": [Function],
+  "outer-dir": " url(../../bundle0/assets/img2.png)",
+  "outer-outer-dir": " url(../../bundle0/assets/img1.png)",
+  "same-dir": " url(../../bundle0/assets/img3.png)",
+}
+`;
+
+exports[`ConfigCacheTestCases css urls-css-filename exported tests should generate correct url public path with css filename 4`] = `
+Object {
+  "getPropertyValue": [Function],
+  "nested-dir": " url(https://test.cases/path/bundle1/assets/img2.png)",
+  "nested-nested-dir": " url(https://test.cases/path/bundle1/assets/img3.png)",
+  "same-dir": " url(https://test.cases/path/bundle1/assets/img1.png)",
+}
+`;
+
+exports[`ConfigCacheTestCases css urls-css-filename exported tests should generate correct url public path with css filename 5`] = `
+Object {
+  "getPropertyValue": [Function],
+  "nested-dir": " url(https://test.cases/path/bundle1/assets/img3.png)",
+  "outer-dir": " url(https://test.cases/path/bundle1/assets/img1.png)",
+  "same-dir": " url(https://test.cases/path/bundle1/assets/img2.png)",
+}
+`;
+
+exports[`ConfigCacheTestCases css urls-css-filename exported tests should generate correct url public path with css filename 6`] = `
+Object {
+  "getPropertyValue": [Function],
+  "outer-dir": " url(https://test.cases/path/bundle1/assets/img2.png)",
+  "outer-outer-dir": " url(https://test.cases/path/bundle1/assets/img1.png)",
+  "same-dir": " url(https://test.cases/path/bundle1/assets/img3.png)",
+}
+`;
+
+exports[`ConfigCacheTestCases css urls-css-filename exported tests should generate correct url public path with css filename 7`] = `
+Object {
+  "getPropertyValue": [Function],
+  "nested-dir": " url(https://test.cases/path/bundle2/assets/img2.png)",
+  "nested-nested-dir": " url(https://test.cases/path/bundle2/assets/img3.png)",
+  "same-dir": " url(https://test.cases/path/bundle2/assets/img1.png)",
+}
+`;
+
+exports[`ConfigCacheTestCases css urls-css-filename exported tests should generate correct url public path with css filename 8`] = `
+Object {
+  "getPropertyValue": [Function],
+  "nested-dir": " url(https://test.cases/path/bundle2/assets/img3.png)",
+  "outer-dir": " url(https://test.cases/path/bundle2/assets/img1.png)",
+  "same-dir": " url(https://test.cases/path/bundle2/assets/img2.png)",
+}
+`;
+
+exports[`ConfigCacheTestCases css urls-css-filename exported tests should generate correct url public path with css filename 9`] = `
+Object {
+  "getPropertyValue": [Function],
+  "outer-dir": " url(https://test.cases/path/bundle2/assets/img2.png)",
+  "outer-outer-dir": " url(https://test.cases/path/bundle2/assets/img1.png)",
+  "same-dir": " url(https://test.cases/path/bundle2/assets/img3.png)",
+}
+`;

test/__snapshots__/ConfigTestCases.basictest.js.snap

@@ -4183,3 +4183,84 @@ Object {
   "n": " green url(img.09a1a1112c577c279435.png) xyz",
 }
 `;
+
+exports[`ConfigTestCases css urls-css-filename exported tests should generate correct url public path with css filename 1`] = `
+Object {
+  "getPropertyValue": [Function],
+  "nested-dir": " url(../../bundle0/assets/img2.png)",
+  "nested-nested-dir": " url(../../bundle0/assets/img3.png)",
+  "same-dir": " url(../../bundle0/assets/img1.png)",
+}
+`;
+
+exports[`ConfigTestCases css urls-css-filename exported tests should generate correct url public path with css filename 2`] = `
+Object {
+  "getPropertyValue": [Function],
+  "nested-dir": " url(../../bundle0/assets/img3.png)",
+  "outer-dir": " url(../../bundle0/assets/img1.png)",
+  "same-dir": " url(../../bundle0/assets/img2.png)",
+}
+`;
+
+exports[`ConfigTestCases css urls-css-filename exported tests should generate correct url public path with css filename 3`] = `
+Object {
+  "getPropertyValue": [Function],
+  "outer-dir": " url(../../bundle0/assets/img2.png)",
+  "outer-outer-dir": " url(../../bundle0/assets/img1.png)",
+  "same-dir": " url(../../bundle0/assets/img3.png)",
+}
+`;
+
+exports[`ConfigTestCases css urls-css-filename exported tests should generate correct url public path with css filename 4`] = `
+Object {
+  "getPropertyValue": [Function],
+  "nested-dir": " url(https://test.cases/path/bundle1/assets/img2.png)",
+  "nested-nested-dir": " url(https://test.cases/path/bundle1/assets/img3.png)",
+  "same-dir": " url(https://test.cases/path/bundle1/assets/img1.png)",
+}
+`;
+
+exports[`ConfigTestCases css urls-css-filename exported tests should generate correct url public path with css filename 5`] = `
+Object {
+  "getPropertyValue": [Function],
+  "nested-dir": " url(https://test.cases/path/bundle1/assets/img3.png)",
+  "outer-dir": " url(https://test.cases/path/bundle1/assets/img1.png)",
+  "same-dir": " url(https://test.cases/path/bundle1/assets/img2.png)",
+}
+`;
+
+exports[`ConfigTestCases css urls-css-filename exported tests should generate correct url public path with css filename 6`] = `
+Object {
+  "getPropertyValue": [Function],
+  "outer-dir": " url(https://test.cases/path/bundle1/assets/img2.png)",
+  "outer-outer-dir": " url(https://test.cases/path/bundle1/assets/img1.png)",
+  "same-dir": " url(https://test.cases/path/bundle1/assets/img3.png)",
+}
+`;
+
+exports[`ConfigTestCases css urls-css-filename exported tests should generate correct url public path with css filename 7`] = `
+Object {
+  "getPropertyValue": [Function],
+  "nested-dir": " url(https://test.cases/path/bundle2/assets/img2.png)",
+  "nested-nested-dir": " url(https://test.cases/path/bundle2/assets/img3.png)",
+  "same-dir": " url(https://test.cases/path/bundle2/assets/img1.png)",
+}
+`;
+
+exports[`ConfigTestCases css urls-css-filename exported tests should generate correct url public path with css filename 8`] = `
+Object {
+  "getPropertyValue": [Function],
+  "nested-dir": " url(https://test.cases/path/bundle2/assets/img3.png)",
+  "outer-dir": " url(https://test.cases/path/bundle2/assets/img1.png)",
+  "same-dir": " url(https://test.cases/path/bundle2/assets/img2.png)",
+}
+`;
+
+exports[`ConfigTestCases css urls-css-filename exported tests should generate correct url public path with css filename 9`] = `
+Object {
+  "getPropertyValue": [Function],
+  "outer-dir": " url(https://test.cases/path/bundle2/assets/img2.png)",
+  "outer-outer-dir": " url(https://test.cases/path/bundle2/assets/img1.png)",
+  "same-dir": " url(https://test.cases/path/bundle2/assets/img3.png)",
+}
+`;

test/configCases/css/urls-css-filename/index.css

@@ -0,0 +1,7 @@
+@import "./nested/index.css";
+
+h1 {
+  same-dir: url('./img1.png');
+  nested-dir: url('./nested/img2.png');
+  nested-nested-dir: url('./nested/nested/img3.png');
+}

test/configCases/css/urls-css-filename/index.js

@@ -0,0 +1,22 @@
+it(`should generate correct url public path with css filename`, done => {
+	const h1 = document.createElement('h1');
+	document.body.appendChild(h1);
+	const h2 = document.createElement('h2');
+	document.body.appendChild(h1);
+	const h3 = document.createElement('h3');
+	document.body.appendChild(h1);
+	import("./index.css").then(x => {
+		try {
+			expect(x).toEqual(nsObj({}));
+			const style1 = getComputedStyle(h1);
+			expect(style1).toMatchSnapshot();
+			const style2 = getComputedStyle(h2);
+			expect(style2).toMatchSnapshot();
+			const style3 = getComputedStyle(h3);
+			expect(style3).toMatchSnapshot();
+			done();
+		} catch (e) {
+			done(e);
+		}
+	}, done);
+});

test/configCases/css/urls-css-filename/nested/index.css

@@ -0,0 +1,7 @@
+@import "./nested/index.css";
+
+h2 {
+  same-dir: url('./img2.png');
+  nested-dir: url('./nested/img3.png');
+  outer-dir: url('../img1.png');
+}

test/configCases/css/urls-css-filename/nested/nested/index.css

@@ -0,0 +1,5 @@
+h3 {
+  same-dir: url('./img3.png');
+  outer-dir: url('../img2.png');
+  outer-outer-dir: url('../../img1.png');
+}

test/configCases/css/urls-css-filename/webpack.config.js

@@ -0,0 +1,66 @@
+/** @type {import("../../../../").Configuration} */
+const common = {
+	target: "web",
+	mode: "development",
+	devtool: false,
+	experiments: {
+		css: true
+	},
+	optimization: {
+		splitChunks: {
+			cacheGroups: {
+				assetFixHack: {
+					type: "asset/resource",
+					chunks: "all",
+					name: "main",
+					enforce: true
+				},
+				assetFixHack1: {
+					type: "asset/inline",
+					chunks: "all",
+					name: "main",
+					enforce: true
+				}
+			}
+		}
+	}
+};
+
+/** @type {import("../../../../").Configuration} */
+module.exports = [
+	{
+		...common,
+		output: {
+			publicPath: "auto",
+			cssChunkFilename: "bundle0/css/[name].css",
+			assetModuleFilename: "bundle0/assets/[name][ext]"
+		}
+	},
+	{
+		...common,
+		output: {
+			publicPath: "https://test.cases/path/",
+			cssChunkFilename: "bundle1/css/[name].css",
+			assetModuleFilename: "bundle1/assets/[name][ext]"
+		}
+	},
+	{
+		...common,
+		output: {
+			cssChunkFilename: "bundle2/css/[name].css"
+		},
+		module: {
+			rules: [
+				{
+					test: /\.png$/i,
+					type: "asset/resource",
+					generator: {
+						filename: "[name][ext]",
+						outputPath: "bundle2/assets/",
+						publicPath: "https://test.cases/path/bundle2/assets/"
+					}
+				}
+			]
+		}
+	}
+];

types.d.ts

@@ -12958,10 +12958,6 @@ declare abstract class RuntimeTemplate {
 		 * the module
 		 */
 		module: Module;
-		/**
-		 * the public path
-		 */
-		publicPath: string;
 		/**
 		 * runtime
 		 */