// 防抖
export const antiShake = (fn, t) => {
  let delay = t || 500;
  let timer;
  return function () {
    let args = arguments;
    if (timer) {
      clearTimeout(timer);
    }

    let callNow = !timer;

    timer = setTimeout(() => {
      timer = null;
    }, delay);

    if (callNow) fn.apply(this, args);
  };
};
// 点击防抖
export const throttle = {
  bind: (el, binding) => {
    let throttleTime = binding.value; // 防抖时间
    if (!throttleTime) {
      // 用户若不设置防抖时间，则默认1s
      throttleTime = 1000;
    }
    let timer;
    let disable = false;
    el.addEventListener(
      "click",
      (event) => {
        if (timer) {
          clearTimeout(timer);
        }
        if (!disable) {
          // 第一次执行(一点击触发当前事件)
          disable = true;
        } else {
          event && event.stopImmediatePropagation();
        }
        timer = setTimeout(() => {
          timer = null;
          disable = false;
        }, throttleTime);
      },
      true
    );
  },
};