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1759c2
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/** |
RM |
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* angular-strap |
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* @version v2.0.3 - 2014-05-30 |
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* @link http://mgcrea.github.io/angular-strap |
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* @author Olivier Louvignes (olivier@mg-crea.com) |
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* @license MIT License, http://www.opensource.org/licenses/MIT |
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*/ |
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'use strict'; |
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angular.module('mgcrea.ngStrap.helpers.debounce', []).constant('debounce', function (func, wait, immediate) { |
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var timeout, args, context, timestamp, result; |
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return function () { |
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context = this; |
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args = arguments; |
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timestamp = new Date(); |
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var later = function () { |
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var last = new Date() - timestamp; |
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if (last < wait) { |
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timeout = setTimeout(later, wait - last); |
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} else { |
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timeout = null; |
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if (!immediate) |
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result = func.apply(context, args); |
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} |
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}; |
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var callNow = immediate && !timeout; |
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if (!timeout) { |
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timeout = setTimeout(later, wait); |
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} |
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if (callNow) |
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result = func.apply(context, args); |
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return result; |
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}; |
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}).constant('throttle', function (func, wait, options) { |
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var context, args, result; |
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var timeout = null; |
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var previous = 0; |
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options || (options = {}); |
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var later = function () { |
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previous = options.leading === false ? 0 : new Date(); |
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timeout = null; |
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result = func.apply(context, args); |
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}; |
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return function () { |
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var now = new Date(); |
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if (!previous && options.leading === false) |
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previous = now; |
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var remaining = wait - (now - previous); |
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context = this; |
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args = arguments; |
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if (remaining <= 0) { |
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clearTimeout(timeout); |
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timeout = null; |
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previous = now; |
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result = func.apply(context, args); |
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} else if (!timeout && options.trailing !== false) { |
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timeout = setTimeout(later, remaining); |
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} |
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return result; |
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}; |
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}); |