microsoft/qdk
Publicmirrored from https://github.com/microsoft/qdkAvailable
source/npm/qsharp/src/workers/adapters/browser.ts
37lines · modecode
| 1 | // Copyright (c) Microsoft Corporation. |
| 2 | // Licensed under the MIT License. |
| 3 | |
| 4 | import type { IWorkerHost } from "./types.js"; |
| 5 | |
| 6 | export class BrowserWorkerHost implements IWorkerHost { |
| 7 | private worker: Worker; |
| 8 | |
| 9 | constructor(url: string | URL) { |
| 10 | const scriptUrl = typeof url === "string" ? url : url.href; |
| 11 | const bootstrap = ` |
| 12 | self.WorkerSelf = { |
| 13 | postMessage(msg) { self.postMessage(msg); }, |
| 14 | onMessage(handler) { self.addEventListener("message", handler); } |
| 15 | }; |
| 16 | importScripts("${scriptUrl}"); |
| 17 | `; |
| 18 | const blob = new Blob([bootstrap], { type: "application/javascript" }); |
| 19 | this.worker = new Worker(URL.createObjectURL(blob)); |
| 20 | } |
| 21 | |
| 22 | postMessage(msg: unknown): void { |
| 23 | this.worker.postMessage(msg); |
| 24 | } |
| 25 | |
| 26 | onMessage(handler: (e: MessageEvent) => void): void { |
| 27 | this.worker.onmessage = handler; |
| 28 | } |
| 29 | |
| 30 | onError(handler: (e: Event) => void): void { |
| 31 | this.worker.onerror = handler; |
| 32 | } |
| 33 | |
| 34 | terminate(): void { |
| 35 | this.worker.terminate(); |
| 36 | } |
| 37 | } |
| 38 | |