setSafeInterval

2023-02-01  本文已影响0人  _嘿嘿_
export const setSafeInterval = (
  fn: <TData>() => Promise<TData>,
  timer: number,
  option?: {
    retry: number | boolean;
  }
) => {
  let t: TimerType | undefined;
  let retryCount = 0;
  const _interval = async (timer: number) => {
    retryCount++;
    try {
      await fn();
      t = setTimeout(() => {
        clearTimeout(t as TimerType);
        _interval(timer);
      }, timer);
    } catch (error) {
      console.error(error);
      if (
        option?.retry === true ||
        (typeof option?.retry === 'number' && option?.retry >= retryCount)
      ) {
        //判断是否需要重试
        t = setTimeout(() => {
          _interval(timer);
        }, timer);
      }
    }
  };
  _interval(timer);
  return {
    stop: () => {
      clearTimeout(t as TimerType);
      t = undefined;
    },
    start: (timer = 1000) => {
      _interval(timer);
    },
    getTimer: () => {
      return t;
    },
  };
};

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