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silverbullet/plugos/environments/deno_sandbox.ts

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import { safeRun } from "../util.ts";
// @ts-ignore
// import workerCode from "bundle-text:./node_worker.ts";
import { Sandbox } from "../sandbox.ts";
import { WorkerLike } from "./worker.ts";
import { Plug } from "../plug.ts";
class DenoWorkerWrapper implements WorkerLike {
private worker: Worker;
onMessage?: (message: any) => Promise<void>;
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ready: 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);
});
});
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this.ready = Promise.resolve();
}
postMessage(message: any): void {
this.worker.postMessage(message);
}
terminate() {
return this.worker.terminate();
}
}
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export function createSandbox(plug: Plug<any>) {
let worker = new Worker(
new URL("./sandbox_worker.ts", import.meta.url).href,
{
type: "module",
}
);
return new Sandbox(plug, new DenoWorkerWrapper(worker));
}