webpack/lib/webworker/WebWorkerTemplatePlugin.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/

"use strict";

const RuntimeGlobals = require("../RuntimeGlobals");
const ImportScriptsChunkLoadingRuntimeModule = require("./ImportScriptsChunkLoadingRuntimeModule");
const WebWorkerChunkTemplatePlugin = require("./WebWorkerChunkTemplatePlugin");

/** @typedef {import("../Compiler")} Compiler */

class WebWorkerTemplatePlugin {
	/**
	 * @param {Compiler} compiler the compiler instance
	 * @returns {void}
	 */
	apply(compiler) {
		compiler.hooks.thisCompilation.tap(
			"WebWorkerTemplatePlugin",
			compilation => {
				new WebWorkerChunkTemplatePlugin(compilation).apply(
					compilation.chunkTemplate
				);

				const onceForChunkSet = new WeakSet();
				const handler = (chunk, set) => {
					if (onceForChunkSet.has(chunk)) return;
					onceForChunkSet.add(chunk);
					set.add(RuntimeGlobals.moduleFactories);
					compilation.addRuntimeModule(
						chunk,
						new ImportScriptsChunkLoadingRuntimeModule(set)
					);
				};
				compilation.hooks.runtimeRequirementInTree
					.for(RuntimeGlobals.ensureChunkHandlers)
					.tap("JsonpTemplatePlugin", handler);
				compilation.hooks.runtimeRequirementInTree
					.for(RuntimeGlobals.hmrDownloadUpdateHandlers)
					.tap("JsonpTemplatePlugin", handler);
				compilation.hooks.runtimeRequirementInTree
					.for(RuntimeGlobals.hmrDownloadManifest)
					.tap("JsonpTemplatePlugin", handler);

				compilation.hooks.runtimeRequirementInTree
					.for(RuntimeGlobals.ensureChunkHandlers)
					.tap("JsonpTemplatePlugin", (chunk, set) => {
						set.add(RuntimeGlobals.publicPath);
						set.add(RuntimeGlobals.getChunkScriptFilename);
					});
				compilation.hooks.runtimeRequirementInTree
					.for(RuntimeGlobals.hmrDownloadUpdateHandlers)
					.tap("JsonpTemplatePlugin", (chunk, set) => {
						set.add(RuntimeGlobals.publicPath);
						set.add(RuntimeGlobals.getChunkUpdateScriptFilename);
						set.add(RuntimeGlobals.moduleCache);
						set.add(RuntimeGlobals.hmrModuleData);
						set.add(RuntimeGlobals.moduleFactories);
					});
				compilation.hooks.runtimeRequirementInTree
					.for(RuntimeGlobals.hmrDownloadManifest)
					.tap("JsonpTemplatePlugin", (chunk, set) => {
						set.add(RuntimeGlobals.publicPath);
						set.add(RuntimeGlobals.getUpdateManifestFilename);
					});
			}
		);
	}
}
module.exports = WebWorkerTemplatePlugin;