@techmely/utils/debounce/index.js

Collection of helpful JavaScript / TypeScript utils

'use strict';

/*!
 * @techmely/utils
 * Copyright(c) 2021-2024 Techmely <techmely.creation@gmail.com>
 * MIT Licensed
 */


// src/debounce/index.ts
function debounce(func, delay, immediate = false) {
  let timeoutId;
  return function(...args) {
    const callNow = immediate && !timeoutId;
    if (timeoutId)
      clearTimeout(timeoutId);
    timeoutId = setTimeout(() => {
      timeoutId = null;
      if (!immediate) {
        func.apply(this, args);
      }
    }, delay);
    if (callNow) {
      func.apply(this, args);
    }
  };
}

exports.debounce = debounce;