annotate core/misc/debounce.js @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 1fec387a4317
children
rev   line source
Chris@0 1 /**
Chris@0 2 * DO NOT EDIT THIS FILE.
Chris@0 3 * See the following change record for more information,
Chris@0 4 * https://www.drupal.org/node/2815083
Chris@0 5 * @preserve
Chris@0 6 **/
Chris@0 7
Chris@0 8 Drupal.debounce = function (func, wait, immediate) {
Chris@0 9 var timeout = void 0;
Chris@0 10 var result = void 0;
Chris@0 11 return function () {
Chris@14 12 for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
Chris@14 13 args[_key] = arguments[_key];
Chris@14 14 }
Chris@14 15
Chris@0 16 var context = this;
Chris@0 17 var later = function later() {
Chris@0 18 timeout = null;
Chris@0 19 if (!immediate) {
Chris@0 20 result = func.apply(context, args);
Chris@0 21 }
Chris@0 22 };
Chris@0 23 var callNow = immediate && !timeout;
Chris@0 24 clearTimeout(timeout);
Chris@0 25 timeout = setTimeout(later, wait);
Chris@0 26 if (callNow) {
Chris@0 27 result = func.apply(context, args);
Chris@0 28 }
Chris@0 29 return result;
Chris@0 30 };
Chris@0 31 };