Function sleep

ai/ai.ts:1005–1029

(ms: number, token?: AbortToken)

const sleep = (ms: number, token?: AbortToken): Promise<void> => {
  return new Promise<void>((resolve, reject) => {
    token?.throwIfAborted();
    let settled = false;
    const cleanup = () => {
      if (!token?.signal) return;
      token.signal.removeEventListener("abort", abortHandler);
    };
    const timeoutId = setTimeout(() => {
      if (settled) return;
      settled = true;
      cleanup();
      resolve();
    }, ms);
    const abortHandler = () => {
      if (settled) return;
      settled = true;
      clearTimeout(timeoutId);
      cleanup();
      reject(new UserError(token?.reason?.toString() || "操作已取消"));
    };
    if (token?.signal)
      token.signal.addEventListener("abort", abortHandler, { once: true });
  });
};

const retryWithFixedDelay = async <T>(
  operation: () => Promise<T>,
  maxRetries: number = 2,