38 lines
991 B
TypeScript
38 lines
991 B
TypeScript
import { safeRun } from "../util";
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import { Sandbox } from "../sandbox";
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import { System } from "../system";
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import { WorkerLike } from "./worker";
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class WebWorkerWrapper implements WorkerLike {
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private worker: Worker;
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onMessage?: (message: any) => Promise<void>;
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ready: Promise<void>;
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constructor(worker: Worker) {
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this.worker = worker;
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this.worker.addEventListener("message", (evt: any) => {
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let data = evt.data;
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if (!data) return;
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safeRun(async () => {
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await this.onMessage!(data);
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});
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});
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this.ready = Promise.resolve();
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}
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postMessage(message: any): void {
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this.worker.postMessage(message);
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}
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terminate() {
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return this.worker.terminate();
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}
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}
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export function createSandbox(system: System<any>) {
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// ParcelJS will build this file into a worker.
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let worker = new Worker(new URL("sandbox_worker.ts", import.meta.url), {
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type: "module",
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});
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return new Sandbox(system, new WebWorkerWrapper(worker));
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}
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