Method apply

lib/ManifestPlugin.js:63–248

* Applies the plugin by registering its hooks on the compiler. * @param {Compiler} compiler the compiler instance * @returns {void}

(compiler)

	 * @returns {void}
	 */
	apply(compiler) {
		compiler.hooks.validate.tap(PLUGIN_NAME, () => {
			compiler.validate(
				() => require("../schemas/plugins/ManifestPlugin.json"),
				this.options,
				{
					name: "ManifestPlugin",
					baseDataPath: "options"
				},
				(options) => require("../schemas/plugins/ManifestPlugin.check")(options)
			);
		});

		const entrypoints =
			this.options.entrypoints !== undefined ? this.options.entrypoints : true;
		const serialize =
			this.options.serialize ||
			((manifest) => JSON.stringify(manifest, null, 2));

		compiler.hooks.thisCompilation.tap(PLUGIN_NAME, (compilation) => {
			compilation.hooks.processAssets.tap(
				{
					name: PLUGIN_NAME,
					stage: Compilation.PROCESS_ASSETS_STAGE_SUMMARIZE
				},
				() => {
					const hashDigestLength = compilation.outputOptions.hashDigestLength;
					const publicPath = compilation.getPath(
						compilation.outputOptions.publicPath
					);

					/**
					 * Creates a hash reg exp.
					 * @param {string | string[]} value value
					 * @returns {RegExp} regexp to remove hash
					 */
					const createHashRegExp = (value) =>
						new RegExp(
							`(?:\\.${Array.isArray(value) ? `(${value.join("|")})` : value})(?=\\.)`,
							"gi"
						);

					/**
					 * Removes the provided name from the manifest plugin.
					 * @param {string} name name
					 * @param {AssetInfo | null} info asset info
					 * @returns {string} hash removed name
					 */
					const removeHash = (name, info) => {
						// Handles hashes that match configured `hashDigestLength`
						// i.e. index.XXXX.html -> index.html (html-webpack-plugin)
						if (hashDigestLength <= 0) return name;
						const reg = createHashRegExp(`[a-f0-9]{${hashDigestLength},32}`);
						return name.replace(reg, "");
					};

					/**
					 * Returns chunk name or chunk id.