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/*
*/
"use strict";
const RuntimeGlobals = require("../RuntimeGlobals");
const HelperRuntimeModule = require("./HelperRuntimeModule");
/** @typedef {import("../Compilation")} Compilation */
class WorkerRuntimeModule extends HelperRuntimeModule {
constructor() {
super("worker");
}
/**
* Generates runtime code for this runtime module.
* @returns {string | null} runtime code
*/
generate() {
const compilation = /** @type {Compilation} */ (this.compilation);
const { runtimeTemplate } = compilation;
// prefer a global `Worker` when present (web, Bun, polyfills), else `worker_threads.Worker`
const nodeWorker = runtimeTemplate.getBuiltinModule(
runtimeTemplate.renderNodePrefixForCoreModule("worker_threads"),
".Worker"
);
return `${RuntimeGlobals.worker} = typeof Worker !== "undefined" ? Worker : ${nodeWorker};`;
}
}
module.exports = WorkerRuntimeModule;