JCSS / yl_miniapp

export function debounce(func, wait = 1000, immediate = true) {
  let timer;
  return function() {
    let context = this,
      args = arguments;
    if (timer) clearTimeout(timer);
    if (immediate) {
      let callNow = !timer;
      timer = setTimeout(() => {
        timer = null;
      }, wait);
      if (callNow) func.apply(context, args);
    } else {
      timer = setTimeout(() => {
        func.apply(context, args);
      }, wait)
    }
  }
}