Method apply

lib/library/ModuleLibraryPlugin.js:80–191

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

(compiler)

	 * @returns {void}
	 */
	apply(compiler) {
		super.apply(compiler);

		compiler.hooks.thisCompilation.tap(PLUGIN_NAME, (compilation) => {
			const { onDemandExportsGeneration } =
				ConcatenatedModule.getCompilationHooks(compilation);
			const javascriptHooks =
				JavascriptModulesPlugin.getCompilationHooks(compilation);
			onDemandExportsGeneration.tap(
				PLUGIN_NAME,
				(module, runtimes, source, finalName) => {
					/** @type {BuildMeta} */
					const buildMeta = module.buildMeta || (module.buildMeta = {});

					/** @type {BuildMeta[class="st">"exportsSourceByRuntime"]} */
					const exportsSourceByRuntime =
						buildMeta.exportsSourceByRuntime ||
						(buildMeta.exportsSourceByRuntime = new Map());

					/** @type {BuildMeta[class="st">"exportsFinalNameByRuntime"]} */
					const exportsFinalNameByRuntime =
						buildMeta.exportsFinalNameByRuntime ||
						(buildMeta.exportsFinalNameByRuntime = new Map());

					for (const runtime of runtimes) {
						const key = getRuntimeKey(runtime);
						exportsSourceByRuntime.set(key, source);
						exportsFinalNameByRuntime.set(key, finalName);
					}

					return true;
				}
			);

			class="cm">// `ModuleLibraryPlugin` stashes the on-demand exports source via
			class="cm">// `onDemandExportsGeneration` and only re-emits it when the
			class="cm">// module is wrapped in an IIFE/factory. When the entry is
			class="cm">// inlined directly, the stashed source — and the
			class="cm">// `definePropertyGetters` / `requireScope` runtime helpers it
			class="cm">// pulled in — never make it into the output. Drop those helpers
			class="cm">// from the chunk's set so the bundle stays clean.
			compilation.hooks.additionalChunkRuntimeRequirements.tap(
				PLUGIN_NAME,
				(chunk, set, { chunkGraph, codeGenerationResults }) => {
					if (!set.has(RuntimeGlobals.definePropertyGetters)) return;
					if (chunkGraph.getNumberOfEntryModules(chunk) !== 1) return;
					if (chunkGraph.hasChunkEntryDependentChunks(chunk)) return;
					if (
						set.has(RuntimeGlobals.moduleFactories) ||
						set.has(RuntimeGlobals.moduleCache) ||
						set.has(RuntimeGlobals.interceptModuleExecution) ||
						set.has(RuntimeGlobals.module) ||
						set.has(RuntimeGlobals.thisAsExports)
					) {
						return;
					}
					if (javascriptHooks.inlineInRuntimeBailout.isUsed()) return;