std@0.139.0/async/deadline.ts

Deno standard library
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deadline.ts
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
import { deferred } from "./deferred.ts";
export class DeadlineError extends Error { constructor() { super("Deadline"); this.name = "DeadlineError"; }}
/** * Create a promise which will be rejected with DeadlineError when a given delay is exceeded. */export function deadline<T>(p: Promise<T>, delay: number): Promise<T> { const d = deferred<never>(); const t = setTimeout(() => d.reject(new DeadlineError()), delay); return Promise.race([p, d]).finally(() => clearTimeout(t));}