Method apply

lib/SourceMapDevToolPlugin.js:284–923

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

(compiler)

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

		const outputFs =
			/** @type {OutputFileSystem} */
			(compiler.outputFileSystem);
		const sourceMapFilename = this.sourceMapFilename;
		const sourceMappingURLComment = this.sourceMappingURLComment;
		const moduleFilenameTemplate = this.moduleFilenameTemplate;
		const namespace = this.namespace;
		const fallbackModuleFilenameTemplate = this.fallbackModuleFilenameTemplate;
		const requestShortener = compiler.requestShortener;
		const options = this.options;
		options.test = options.test || CSS_AND_JS_MODULE_EXTENSIONS_REGEXP;

		/** @type {(filename: string) => boolean} */
		const matchObject = ModuleFilenameHelpers.matchObject.bind(
			undefined,
			options
		);

		compiler.hooks.compilation.tap(PLUGIN_NAME, (compilation) => {
			new SourceMapDevToolModuleOptionsPlugin(options).apply(compilation);

			class="cm">// All SourceMapDevToolPlugin instances on the same compilation share
			class="cm">// a registry of pristine asset sources, so the second instance to
			class="cm">// run can still recover the original map after the first instance
			class="cm">// has replaced the asset with a `RawSource`. The registry lives on a
			class="cm">// module-scoped `WeakMap` keyed by compilation so it is released
			class="cm">// automatically and never pollutes the compilation object.
			const originalSources = getOriginalSourceRegistry(compilation);

			compilation.hooks.processAssets.tapAsync(
				{
					name: PLUGIN_NAME,
					stage: Compilation.PROCESS_ASSETS_STAGE_DEV_TOOLING,
					additionalAssets: true
				},
				(assets, callback) => {
					const chunkGraph = compilation.chunkGraph;
					const cache = compilation.getCache(PLUGIN_NAME);
					/** @type {Map<string | Module, string>} */
					const moduleToSourceNameMapping = new Map();
					const reportProgress =
						ProgressPlugin.getReporter(compilation.compiler) || (() => {});

					/** @type {Map<string, Chunk>} */