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