refactor

declarations/plugins/ManifestPlugin.d.ts

@@ -4,16 +4,35 @@
  * Run `yarn fix:special` to update
  */
 
+/**
+ * A function that receives the manifest object and returns the manifest string.
+ */
+export type HandlerFunction = (manifest: ManifestObject) => string;
+/**
+ * Maps asset identifiers to their manifest entries.
+ */
+export type ManifestObject = Record<string, ManifestItem>;
+
 export interface ManifestPluginOptions {
 	/**
 	 * Specifies the filename of the output file on disk. By default the plugin will emit `manifest.json` inside the 'output.path' directory.
 	 */
 	filename?: string;
 	/**
-	 * A custom Function to create the manifest.
+	 * A function that receives the manifest object and returns the manifest string.
 	 */
-	handle?: (
-		manifest: Record<string, string>,
-		stats: import("../../lib/stats/DefaultStatsFactoryPlugin").StatsCompilation
-	) => string;
+	handler?: HandlerFunction;
+}
+/**
+ * Describes a manifest entry that links the emitted path to the producing asset.
+ */
+export interface ManifestItem {
+	/**
+	 * The compilation asset that produced this manifest entry.
+	 */
+	asset?: import("../../lib/Compilation").Asset;
+	/**
+	 * The public path recorded in the manifest for this asset.
+	 */
+	filePath: string;
 }

examples/manifest-plugin/README.md

@@ -55,11 +55,11 @@ module.exports = {
 		}),
 		new webpack.ManifestPlugin({
 			filename: "manifest.yml",
-			handle(manifest) {
+			handler(manifest) {
 				let _manifest = "";
 				for (const key in manifest) {
 					if (key === "manifest.json") continue;
-					_manifest += `- ${key}: '${manifest[key]}'\n`;
+					_manifest += `- ${key}: '${manifest[key].filePath}'\n`;
 				}
 				return _manifest;
 			}

examples/manifest-plugin/webpack.config.js

@@ -23,11 +23,11 @@ module.exports = {
 		}),
 		new webpack.ManifestPlugin({
 			filename: "manifest.yml",
-			handle(manifest) {
+			handler(manifest) {
 				let _manifest = "";
 				for (const key in manifest) {
 					if (key === "manifest.json") continue;
-					_manifest += `- ${key}: '${manifest[key]}'\n`;
+					_manifest += `- ${key}: '${manifest[key].filePath}'\n`;
 				}
 				return _manifest;
 			}

lib/ManifestPlugin.js

@@ -7,25 +7,27 @@
 
 const path = require("path");
 const { RawSource } = require("webpack-sources");
-const Compilation = require("../Compilation");
-const HotUpdateChunk = require("../HotUpdateChunk");
-const createSchemaValidation = require("../util/create-schema-validation");
+const Compilation = require("./Compilation");
+const HotUpdateChunk = require("./HotUpdateChunk");
+const createSchemaValidation = require("./util/create-schema-validation");
 
-/** @typedef {import("../Compiler")} Compiler */
+/** @typedef {import("./Compiler")} Compiler */
 /** @typedef {import("..").StatsCompilation} StatsCompilation */
-/** @typedef {import("../Chunk")} Chunk */
-/** @typedef {import("../Compilation").Asset} Asset */
-/** @typedef {import("../Module")} Module */
-/** @typedef {import("../NormalModule")} NormalModule */
-/** @typedef {import("../config/defaults").WebpackOptionsNormalizedWithDefaults} WebpackOptions */
+/** @typedef {import("./Chunk")} Chunk */
+/** @typedef {import("./Compilation").Asset} Asset */
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("./NormalModule")} NormalModule */
+/** @typedef {import("./config/defaults").WebpackOptionsNormalizedWithDefaults} WebpackOptions */
 
-/** @typedef {import("../../declarations/plugins/ManifestPlugin").ManifestPluginOptions} ManifestPluginOptions */
+/** @typedef {import("../declarations/plugins/ManifestPlugin").ManifestPluginOptions} ManifestPluginOptions */
+/** @typedef {import("../declarations/plugins/ManifestPlugin").ManifestObject} ManifestObject */
+/** @typedef {import("../declarations/plugins/ManifestPlugin").ManifestItem} ManifestItem */
 
 const PLUGIN_NAME = "ManifestPlugin";
 
 const validate = createSchemaValidation(
-	require("../../schemas/plugins/ManifestPlugin.check"),
-	() => require("../../schemas/plugins/ManifestPlugin.json"),
+	require("../schemas/plugins/ManifestPlugin.check"),
+	() => require("../schemas/plugins/ManifestPlugin.json"),
 	{
 		name: "ManifestPlugin",
 		baseDataPath: "options"
@@ -41,7 +43,7 @@ const extname = (filename) => {
 	const split = replaced.split(".");
 	const last = split.pop();
 	if (!last) return "";
-	return last && /^(gz|map)$/i.test(last) ? `${split.pop()}.${last}` : last;
+	return last && /^(gz|br|map)$/i.test(last) ? `${split.pop()}.${last}` : last;
 };
 
 class ManifestPlugin {
@@ -54,20 +56,32 @@ class ManifestPlugin {
 		/** @type {Required<ManifestPluginOptions>} */
 		this.options = {
 			filename: "manifest.json",
-			handle: (manifest, _stats) => JSON.stringify(manifest, null, 2),
+			handler: (manifest) => this._handleManifest(manifest),
 			...options
 		};
 	}
 
+	/**
+	 * @param {ManifestObject} manifest manifest object
+	 * @returns {string} manifest content
+	 */
+	_handleManifest(manifest) {
+		return JSON.stringify(
+			Object.keys(manifest).reduce((acc, cur) => {
+				acc[cur] = manifest[cur].filePath;
+				return acc;
+			}, /** @type {Record<string, string>} */ ({})),
+			null,
+			2
+		);
+	}
+
 	/**
 	 * Apply the plugin
 	 * @param {Compiler} compiler the compiler instance
 	 * @returns {void}
 	 */
 	apply(compiler) {
-		/** @type {WeakMap<Compilation, StatsCompilation>} */
-		const cachedStats = new WeakMap();
-
 		compiler.hooks.thisCompilation.tap(PLUGIN_NAME, (compilation) => {
 			compilation.hooks.processAssets.tap(
 				{
@@ -75,27 +89,31 @@ class ManifestPlugin {
 					stage: Compilation.PROCESS_ASSETS_STAGE_SUMMARIZE
 				},
 				() => {
-					let stats =
-						/** @type {StatsCompilation | undefined} */ cachedStats.get(
-							compilation
+					const assets = compilation.getAssets();
+					const hashDigestLength = compilation.outputOptions.hashDigestLength;
+					const publicPath = compilation.getPath(
+						compilation.outputOptions.publicPath
 					);
-					if (!stats) {
-						stats = compilation.getStats().toJson({
-							all: false,
-							assets: true,
-							cachedAssets: true,
-							assetsSpace: Infinity,
-							publicPath: true
-						});
-						cachedStats.set(compilation, stats);
-					}
 
 					/** @type {Set<string>} */
 					const added = new Set();
+					/** @type {ManifestObject} */
+					const manifest = {};
+
 					/**
-					 * @type {{name: string, file: string}[]}
+					 * @param {string} name name
+					 * @returns {string} hash removed name
 					 */
-					const items = [];
+					const removeHash = (name) => {
+						// Handles hashes that match configured `hashDigestLength`
+						// i.e. index.XXXX.html -> index.html (html-webpack-plugin)
+						if (hashDigestLength <= 0) return name;
+						const reg = new RegExp(
+							`(\\.[a-f0-9]{${hashDigestLength},32})(?=\\.)`,
+							"gi"
+						);
+						return name.replace(reg, "");
+					};
 
 					/**
 					 * @param {string} file file
@@ -114,7 +132,13 @@ class ManifestPlugin {
 								path.basename(asset.info.sourceFilename)
 							);
 						}
-						items.push({ name, file });
+						manifest[removeHash(name)] = {
+							filePath: publicPath
+								? publicPath +
+									(publicPath.endsWith("/") ? `${file}` : `/${file}`)
+								: file,
+							asset
+						};
 					};
 
 					for (const chunk of compilation.chunks) {
@@ -132,44 +156,16 @@ class ManifestPlugin {
 						}
 					}
 
-					if (stats.assets) {
-						for (const asset of stats.assets) {
+					for (const asset of assets) {
 						if (asset.info.hotModuleReplacement) {
 							continue;
 						}
 						handleFile(asset.name);
 					}
-					}
-
-					/** @type {Record<string, string>} */
-					const manifest = {};
-					const hashDigestLength = compilation.outputOptions.hashDigestLength;
-
-					/**
-					 * @param {string} name name
-					 * @returns {string} hash removed name
-					 */
-					const removeHash = (name) => {
-						// Handles hashes that match configured `hashDigestLength`
-						// i.e. index.XXXX.html -> index.html (html-webpack-plugin)
-						if (hashDigestLength <= 0) return name;
-						const reg = new RegExp(
-							`(\\.[a-f0-9]{${hashDigestLength}})(?=\\.)`,
-							"gi"
-						);
-						return name.replace(reg, "");
-					};
-
-					for (const { name, file } of items) {
-						manifest[removeHash(name)] = stats.publicPath
-							? stats.publicPath +
-								(stats.publicPath.endsWith("/") ? `${file}` : `/${file}`)
-							: file;
-					}
 
 					compilation.emitAsset(
 						this.options.filename,
-						new RawSource(this.options.handle(manifest, stats))
+						new RawSource(this.options.handler(manifest))
 					);
 				}
 			);

lib/index.js

@@ -356,7 +356,7 @@ module.exports = mergeExports(fn, {
 		return require("./Stats");
 	},
 	get ManifestPlugin() {
-		return require("./stats/ManifestPlugin");
+		return require("./ManifestPlugin");
 	},
 	get Template() {
 		return require("./Template");

schemas/plugins/ManifestPlugin.check.js

@@ -3,4 +3,4 @@
  * DO NOT MODIFY BY HAND.
  * Run `yarn fix:special` to update
  */
-const r=/^(?:[A-Za-z]:[\\/]|\\\\|\/)/;function e(t,{instancePath:a="",parentData:n,parentDataProperty:o,rootData:s=t}={}){if(!t||"object"!=typeof t||Array.isArray(t))return e.errors=[{params:{type:"object"}}],!1;{const a=0;for(const r in t)if("filename"!==r&&"handle"!==r)return e.errors=[{params:{additionalProperty:r}}],!1;if(0===a){if(void 0!==t.filename){let a=t.filename;const n=0;if(0===n){if("string"!=typeof a)return e.errors=[{params:{type:"string"}}],!1;if(a.includes("!")||!1!==r.test(a))return e.errors=[{params:{}}],!1;if(a.length<1)return e.errors=[{params:{}}],!1}var i=0===n}else i=!0;if(i)if(void 0!==t.handle){const r=0;if(!(t.handle instanceof Function))return e.errors=[{params:{}}],!1;i=0===r}else i=!0}}return e.errors=null,!0}module.exports=e,module.exports.default=e;
+const r=/^(?:[A-Za-z]:[\\/]|\\\\|\/)/;function e(t,{instancePath:n="",parentData:a,parentDataProperty:s,rootData:o=t}={}){let i=null,l=0;if(0===l){if(!t||"object"!=typeof t||Array.isArray(t))return e.errors=[{params:{type:"object"}}],!1;{const n=l;for(const r in t)if("filename"!==r&&"handler"!==r)return e.errors=[{params:{additionalProperty:r}}],!1;if(n===l){if(void 0!==t.filename){let n=t.filename;const a=l;if(l===a){if("string"!=typeof n)return e.errors=[{params:{type:"string"}}],!1;if(n.includes("!")||!1!==r.test(n))return e.errors=[{params:{}}],!1;if(n.length<1)return e.errors=[{params:{}}],!1}var f=a===l}else f=!0;if(f)if(void 0!==t.handler){const r=l,n=l;let a=!1,s=null;const o=l;if(!(t.handler instanceof Function)){const r={params:{}};null===i?i=[r]:i.push(r),l++}if(o===l&&(a=!0,s=0),!a){const r={params:{passingSchemas:s}};return null===i?i=[r]:i.push(r),l++,e.errors=i,!1}l=n,null!==i&&(n?i.length=n:i=null),f=r===l}else f=!0}}}return e.errors=i,0===l}module.exports=e,module.exports.default=e;

schemas/plugins/ManifestPlugin.json

@@ -1,4 +1,35 @@
 {
+  "definitions": {
+    "HandlerFunction": {
+      "description": "A function that receives the manifest object and returns the manifest string.",
+      "instanceof": "Function",
+      "tsType": "(manifest: ManifestObject) => string"
+    },
+    "ManifestItem": {
+      "description": "Describes a manifest entry that links the emitted path to the producing asset.",
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "asset": {
+          "description": "The compilation asset that produced this manifest entry.",
+          "tsType": "import('../../lib/Compilation').Asset"
+        },
+        "filePath": {
+          "description": "The public path recorded in the manifest for this asset.",
+          "type": "string"
+        }
+      },
+      "required": ["filePath"]
+    },
+    "ManifestObject": {
+      "description": "Maps asset identifiers to their manifest entries.",
+      "type": "object",
+      "additionalProperties": {
+        "$ref": "#/definitions/ManifestItem"
+      },
+      "tsType": "Record<string, ManifestItem>"
+    }
+  },
   "title": "ManifestPluginOptions",
   "type": "object",
   "additionalProperties": false,
@@ -9,10 +40,12 @@
       "absolutePath": false,
       "minLength": 1
     },
-    "handle": {
-      "description": "A custom Function to create the manifest.",
-      "instanceof": "Function",
-      "tsType": "((manifest: Record<string, string>, stats: import('../../lib/stats/DefaultStatsFactoryPlugin').StatsCompilation) => string)"
+    "handler": {
+      "oneOf": [
+        {
+          "$ref": "#/definitions/HandlerFunction"
+        }
+      ]
     }
   }
 }

test/configCases/plugins/manifest-plugin/index-2.js

@@ -0,0 +1,30 @@
+import fs from "fs";
+import path from "path";
+import url from "../../asset-modules/_images/file.png";
+
+import(/* webpackChunkName: 'file' */ "./file.txt?foo");
+
+it("should emit manifest with expected entries and paths with function publicPath", () => {
+	expect(url).toEqual("/dist/file-loader.png");
+
+	const manifest = JSON.parse(
+		fs.readFileSync(path.resolve(__dirname, "bar.json"), "utf-8")
+	);
+
+	const keys = Object.keys(manifest).sort();
+	expect(keys).toEqual(
+		[
+			"file.js",
+			"file.txt?foo",
+			"main.js",
+			"third.party.js",
+			"file.png"
+		].sort()
+	);
+
+	expect(manifest["main.js"]).toMatch(/\/dist\/bundle1\.js/);
+	expect(manifest["file.js"]).toMatch(/\/dist\/file\.[a-f0-9]+\.js/);
+	expect(manifest["file.txt?foo"]).toMatch(/\/dist\/file\.[a-f0-9]+\.txt\?foo/);
+	expect(manifest["third.party.js"]).toBe("/dist/third.party.js");
+	expect(manifest["file.png"]).toBe("/dist/file-loader.png");
+});

test/configCases/plugins/manifest-plugin/index.js

@@ -4,11 +4,11 @@ import url from "../../asset-modules/_images/file.png";
 
 import(/* webpackChunkName: 'file' */ "./file.txt?foo");
 
-it("should emit manifest with expected entries and paths", () => {
+it("should emit manifest with expected entries and paths with string publicPath", () => {
 	expect(url).toEqual("/app/file-loader.png");
 
 	const manifest = JSON.parse(
-		fs.readFileSync(path.resolve(__dirname, "test.json"), "utf-8")
+		fs.readFileSync(path.resolve(__dirname, "foo.json"), "utf-8")
 	);
 
 	const keys = Object.keys(manifest).sort();

test/configCases/plugins/manifest-plugin/infrastructure-log.js

@@ -3,5 +3,6 @@
 module.exports = [
 	// each time returns different OriginalSource in webpack.config.js:33
 	// this prevents hit in inmemory cache
+	/^Pack got invalid because of write to: RealContentHashPlugin|analyse|third.party.js$/,
 	/^Pack got invalid because of write to: RealContentHashPlugin|analyse|third.party.js$/
 ];

test/configCases/plugins/manifest-plugin/webpack.config.js

@@ -26,8 +26,9 @@ class CopyPlugin {
 	}
 }
 
-/** @type {import("../../../../").Configuration} */
-module.exports = {
+/** @type {import("../../../../").Configuration[]} */
+module.exports = [
+	{
 		node: {
 			__dirname: false,
 			__filename: false
@@ -40,7 +41,7 @@ module.exports = {
 		plugins: [
 			new CopyPlugin(),
 			new webpack.ManifestPlugin({
-			filename: "test.json"
+				filename: "foo.json"
 			})
 		],
 		module: {
@@ -58,4 +59,38 @@ module.exports = {
 				}
 			]
 		}
-};
+	},
+	{
+		entry: "./index-2.js",
+		node: {
+			__dirname: false,
+			__filename: false
+		},
+		output: {
+			publicPath: (_data) => "/dist/",
+			chunkFilename: "[name].[contenthash].js",
+			assetModuleFilename: "[name].[contenthash][ext][query]"
+		},
+		plugins: [
+			new CopyPlugin(),
+			new webpack.ManifestPlugin({
+				filename: "bar.json"
+			})
+		],
+		module: {
+			rules: [
+				{
+					test: /\.txt$/,
+					type: "asset/resource"
+				},
+				{
+					test: /\.png$/,
+					loader: "file-loader",
+					options: {
+						name: "file-loader.[ext]"
+					}
+				}
+			]
+		}
+	}
+];

types.d.ts

@@ -9758,6 +9758,24 @@ declare interface MakeDirectoryOptions {
 	recursive?: boolean;
 	mode?: string | number;
 }
+
+/**
+ * Describes a manifest entry that links the emitted path to the producing asset.
+ */
+declare interface ManifestItem {
+	/**
+	 * The compilation asset that produced this manifest entry.
+	 */
+	asset?: Asset;
+
+	/**
+	 * The public path recorded in the manifest for this asset.
+	 */
+	filePath: string;
+}
+declare interface ManifestObject {
+	[index: string]: ManifestItem;
+}
 declare class ManifestPlugin {
 	constructor(options: ManifestPluginOptions);
 	options: Required<ManifestPluginOptions>;
@@ -9774,12 +9792,9 @@ declare interface ManifestPluginOptions {
 	filename?: string;
 
 	/**
-	 * A custom Function to create the manifest.
+	 * A function that receives the manifest object and returns the manifest string.
 	 */
-	handle?: (
-		manifest: Record<string, string>,
-		stats: StatsCompilation
-	) => string;
+	handler?: (manifest: ManifestObject) => string;
 }
 declare interface MapOptions {
 	/**