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