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@cesarandreu
Created January 30, 2014 21:37
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Native debouncing for AngularJS
'use strict';
angular.module('debounce').factory('debounce', function($timeout, $q) {
return function(func, wait, immediate) {
var timeout;
var deferred = $q.defer();
return function() {
var context = this, args = arguments;
var later = function() {
timeout = null;
if(!immediate) {
deferred.resolve(func.apply(context, args));
deferred = $q.defer();
}
};
var callNow = immediate && !timeout;
if ( timeout ) {
$timeout.cancel(timeout);
}
timeout = $timeout(later, wait);
if (callNow) {
deferred.resolve(func.apply(context,args));
deferred = $q.defer();
}
return deferred.promise;
};
};
});
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