Aaronius

// Queues multiple asynchronous processes to run sequentially via promises
// Process can be added to the queue while other processes are running

var Sequence = function() {};
Sequence.prototype.enqueue = function(fn) {
  this.tail = this.tail ? this.tail.finally(fn) : fn();
};

// Usage

Aaronius

// From http://stackoverflow.com/questions/13320015/how-to-write-a-debounce-service-in-angularjs
  .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) {