cloudflare-timeout.js

// Replacement for setTimeout/clearTimeout in Cloudflare Workers
// Avoids "Cannot clear a timeout created in a different request context" error
//
// Usage:
//     import { setTimeout, clearTimeout } from "./cloudflare-timeout.mjs"
//
// Author: Vanessa "Codefrau" Freudenberg <[email protected]>

export function setTimeout(func, ...args) {
    const timeout = { cancelled: false };
    globalThis.setTimeout(() => timeout.cancelled || func(), ...args);
}

export function clearTimeout(timeout) {
    if (typeof timeout === "object") timeout.cancelled = true;
    else if ((typeof timeout === "undefined")) return;
    else throw Error("cloudflare-timeout: clearTimeout() expects object returned from setTimeout()");
}