@gdjiami/hooks/ie8/useTimeout.js

react hooks for mygzb.com

import { useEffect, useCallback, useState } from 'react';
import useInstance from './useInstance';
export default function useTimeout(options) {
  if (options === void 0) {
    options = {};
  }

  var _useState = useState(false),
      ready = _useState[0],
      setReady = _useState[1];

  var _useInstance = useInstance({}),
      state = _useInstance[0];

  var start = useCallback(function () {
    if (state.unmounted) {
      return;
    }

    setReady(false);
    window.clearTimeout(state.timer);
    state.timer = window.setTimeout(function () {
      setReady(true);
      options.callback && options.callback();
    }, options.duration);
  }, [options.callback, options.duration]);
  var stop = useCallback(function () {
    setReady(false);
    window.clearTimeout(state.timer);
  }, []);
  useEffect(function () {
    if (options.startOnMount) {
      start();
    }

    return function () {
      window.clearTimeout(state.timer);
      state.unmounted = true;
    };
  }, []);
  return {
    start: start,
    stop: stop,
    ready: ready
  };
}