18F/web-design-standards

/**
 * Call a function every X amount of milliseconds.
 *
 * @param  {Function} callback - A callback function to be debounced
 * @param  {number} delay - Milliseconds to wait before calling function
 * @returns {Function} A debounced function
 * @example const updateStatus = debounce((string) => console.log(string), 2000)
 */

module.exports = function debounce(callback, delay = 500) {
  let timer = null;
  return (...args) => {
    window.clearTimeout(timer);
    timer = window.setTimeout(() => {
      callback.apply(this, args);
    }, delay);
  };
};