deno.land / std@0.166.0 / async / delay.ts

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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
export interface DelayOptions { signal?: AbortSignal; /** Indicates whether the process should continue to run as long as the timer exists. This is `true` by default. */ persistent?: boolean;}
/* Resolves after the given number of milliseconds. */export function delay(ms: number, options: DelayOptions = {}): Promise<void> { const { signal, persistent } = options; if (signal?.aborted) { return Promise.reject(new DOMException("Delay was aborted.", "AbortError")); } return new Promise((resolve, reject) => { const abort = () => { clearTimeout(i); reject(new DOMException("Delay was aborted.", "AbortError")); }; const done = () => { signal?.removeEventListener("abort", abort); resolve(); }; const i = setTimeout(done, ms); signal?.addEventListener("abort", abort, { once: true }); if (persistent === false) { try { // @ts-ignore For browser compatibility Deno.unrefTimer(i); } catch (error) { if (!(error instanceof ReferenceError)) { throw error; } console.error("`persistent` option is only available in Deno"); } } });}
std
Deno standard library
GitHub Repositorydenoland/deno_std
GitHub Stars
2458

Version Info

Tagged at
2 months ago