source: trip-planner-front/node_modules/webpack/lib/dependencies/WorkerDependency.js

/*
        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("../util/Hash")} Hash */
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */

class WorkerDependency extends ModuleDependency {
        /**
         * @param {string} request request
         * @param {[number, number]} range range
         */
        constructor(request, range) {
                super(request);
                this.range = range;
        }

        /**
         * 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";
        }
}

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();

                runtimeRequirements.add(RuntimeGlobals.publicPath);
                runtimeRequirements.add(RuntimeGlobals.baseURI);
                runtimeRequirements.add(RuntimeGlobals.getChunkScriptFilename);

                source.replace(
                        dep.range[0],
                        dep.range[1] - 1,
                        `/* worker import */ ${RuntimeGlobals.publicPath} + ${
                                RuntimeGlobals.getChunkScriptFilename
                        }(${JSON.stringify(chunk.id)}), ${RuntimeGlobals.baseURI}`
                );
        }
};

makeSerializable(WorkerDependency, "webpack/lib/dependencies/WorkerDependency");

module.exports = WorkerDependency;