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app_vue/node_modules/webpack/lib/dependencies/WorkerDependency.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Ivan Kopeykin @vankop
+*/
+
+"use strict";
+
+const Dependency = require("../Dependency");
+const RuntimeGlobals = require("../RuntimeGlobals");
+const makeSerializable = require("../util/makeSerializable");
+const ModuleDependency = require("./ModuleDependency");
+
+/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
+/** @typedef {import("../AsyncDependenciesBlock")} AsyncDependenciesBlock */
+/** @typedef {import("../ChunkGraph")} ChunkGraph */
+/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
+/** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */
+/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
+/** @typedef {import("../Entrypoint")} Entrypoint */
+/** @typedef {import("../ModuleGraph")} ModuleGraph */
+/** @typedef {import("../javascript/JavascriptParser").Range} Range */
+/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
+/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
+/** @typedef {import("../util/Hash")} Hash */
+/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
+
+class WorkerDependency extends ModuleDependency {
+	/**
+	 * @param {string} request request
+	 * @param {Range} range range
+	 * @param {object} workerDependencyOptions options
+	 * @param {string=} workerDependencyOptions.publicPath public path for the worker
+	 * @param {boolean=} workerDependencyOptions.needNewUrl need generate `new URL(...)`
+	 */
+	constructor(request, range, workerDependencyOptions) {
+		super(request);
+		this.range = range;
+		// If options are updated, don't forget to update the hash and serialization functions
+		this.options = workerDependencyOptions;
+		/** Cache the hash */
+		this._hashUpdate = undefined;
+	}
+
+	/**
+	 * Returns list of exports referenced by this dependency
+	 * @param {ModuleGraph} moduleGraph module graph
+	 * @param {RuntimeSpec} runtime the runtime for which the module is analysed
+	 * @returns {(string[] | ReferencedExport)[]} referenced exports
+	 */
+	getReferencedExports(moduleGraph, runtime) {
+		return Dependency.NO_EXPORTS_REFERENCED;
+	}
+
+	get type() {
+		return "new Worker()";
+	}
+
+	get category() {
+		return "worker";
+	}
+
+	/**
+	 * Update the hash
+	 * @param {Hash} hash hash to be updated
+	 * @param {UpdateHashContext} context context
+	 * @returns {void}
+	 */
+	updateHash(hash, context) {
+		if (this._hashUpdate === undefined) {
+			this._hashUpdate = JSON.stringify(this.options);
+		}
+		hash.update(this._hashUpdate);
+	}
+
+	/**
+	 * @param {ObjectSerializerContext} context context
+	 */
+	serialize(context) {
+		const { write } = context;
+		write(this.options);
+		super.serialize(context);
+	}
+
+	/**
+	 * @param {ObjectDeserializerContext} context context
+	 */
+	deserialize(context) {
+		const { read } = context;
+		this.options = read();
+		super.deserialize(context);
+	}
+}
+
+WorkerDependency.Template = class WorkerDependencyTemplate extends (
+	ModuleDependency.Template
+) {
+	/**
+	 * @param {Dependency} dependency the dependency for which the template should be applied
+	 * @param {ReplaceSource} source the current replace source which can be modified
+	 * @param {DependencyTemplateContext} templateContext the context object
+	 * @returns {void}
+	 */
+	apply(dependency, source, templateContext) {
+		const { chunkGraph, moduleGraph, runtimeRequirements } = templateContext;
+		const dep = /** @type {WorkerDependency} */ (dependency);
+		const block = /** @type {AsyncDependenciesBlock} */ (
+			moduleGraph.getParentBlock(dependency)
+		);
+		const entrypoint = /** @type {Entrypoint} */ (
+			chunkGraph.getBlockChunkGroup(block)
+		);
+		const chunk = entrypoint.getEntrypointChunk();
+		// We use the workerPublicPath option if provided, else we fallback to the RuntimeGlobal publicPath
+		const workerImportBaseUrl = dep.options.publicPath
+			? `"${dep.options.publicPath}"`
+			: RuntimeGlobals.publicPath;
+
+		runtimeRequirements.add(RuntimeGlobals.publicPath);
+		runtimeRequirements.add(RuntimeGlobals.baseURI);
+		runtimeRequirements.add(RuntimeGlobals.getChunkScriptFilename);
+
+		const workerImportStr = `/* worker import */ ${workerImportBaseUrl} + ${
+			RuntimeGlobals.getChunkScriptFilename
+		}(${JSON.stringify(chunk.id)}), ${RuntimeGlobals.baseURI}`;
+
+		source.replace(
+			dep.range[0],
+			dep.range[1] - 1,
+			dep.options.needNewUrl ? `new URL(${workerImportStr})` : workerImportStr
+		);
+	}
+};
+
+makeSerializable(WorkerDependency, "webpack/lib/dependencies/WorkerDependency");
+
+module.exports = WorkerDependency;