gecko-dev/devtools/shared/debounce.js

34 строки
876 B
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
/**
* Create a debouncing function wrapper to only call the target function after a certain
* amount of time has passed without it being called.
*
* @param {Function} func
* The function to debounce
* @param {number} wait
* The wait period
* @param {Object} scope
* The scope to use for func
* @return {Function} The debounced function
*/
exports.debounce = function (func, wait, scope) {
let timer = null;
return function () {
if (timer) {
clearTimeout(timer);
}
let args = arguments;
timer = setTimeout(function () {
timer = null;
func.apply(scope, args);
}, wait);
};
};