/**
* 函数节流
* @author tank
* @category misc
* @alias misc_throttle
* @param {function} fn 需要节流的函数
* @param {Number} interval 时间间隔,单位为毫秒 (默认:500)
* @returns {function} 执行函数
*/
export default (fn, interval) => {
let inThrottle;
interval = interval || 500;
return function () {
const args = arguments;
const that = this;
if (!inThrottle) {
fn.apply(that, args);
inThrottle = true;
setTimeout(() => (inThrottle = false), interval);
}
};
};