Function abortableSleep

packages/telemetry/src/transport.ts:327–338

(ms: number, signal?: AbortSignal)

}

function abortableSleep(ms: number, signal?: AbortSignal): Promise<void> {
  if (signal?.aborted === true) return Promise.reject(abortError());
  return new Promise((resolve, reject) => {
    const timer = setTimeout(resolve, ms);
    timer.unref?.();
    const onAbort = (): void => {
      clearTimeout(timer);
      reject(abortError());
    };
    signal?.addEventListener('abort', onAbort, { once: true });
  });
}

function isAbortError(error: unknown): boolean {
  return error instanceof Error && error.name === 'AbortError';