"use strict"; let flag; function throttle(func, wait = 500, immediate = true) { if (immediate) { if (!flag) { flag = true; typeof func === "function" && func(); setTimeout(() => { flag = false; }, wait); } } else if (!flag) { flag = true; setTimeout(() => { flag = false; typeof func === "function" && func(); }, wait); } } exports.throttle = throttle;