export async function sleep(ms: number, signal?: AbortSignal): Promise<void> {
  if (signal?.aborted) return;
  await new Promise<void>((resolve) => {
    const t = setTimeout(resolve, ms);
    signal?.addEventListener(
      "abort",
      () => {
        clearTimeout(t);
        resolve();
      },
      { once: true },
    );
  });
}