Function withTimeout

quote/quote.ts:220–228

* Race a promise against a timeout. On timeout the returned promise REJECTS with * QuoteTimeoutError (so the caller's try/catch can report it) and the timer is * always cleared to avoid leaks. The underlying RPC is abandoned, not cancelled — * gramjs has no cancel — but it no longer blocks the co

(promise: Promise<T>, ms: number, label: string)

 * gramjs has no cancel — but it no longer blocks the command from completing.
 */
function withTimeout<T>(promise: Promise<T>, ms: number, label: string): Promise<T> {
  let timer: NodeJS.Timeout;
  const timeout = new Promise<never>((_, reject) => {
    timer = setTimeout(() => reject(new QuoteTimeoutError(label, ms)), ms);
    // Don't keep the event loop alive solely for this timer.
    if (typeof timer.unref === "function") timer.unref();
  });
  return Promise.race([promise, timeout]).finally(() => clearTimeout(timer)) as Promise<T>;
}

type QuoteArgs = {
  count: number;