AMD Angular Service for Firebase.com service

syncData.js

/**
* Lets make a service rather than refering to firebase directly
* 
* Copied and tweeked from angularFire-seed. 
* https://github.com/firebase/angularFire-seed/blob/master/app/js/service.firebase.js
* 
* For use with bower.
* bower install https://gist.github.com/8834003.git --save
**/
define(["angularfire"], function() {

	angular.module('syncData', ['firebase'])

		.factory('firebaseRef', ['Firebase', 'fbURL', function(Firebase, fbURL) {
			/**
			* @function
			* @name firebaseRef
			* @param {String|Array...} path
			* @return a Firebase instance
			*/
			return function(path) {
				return new Firebase(pathRef([fbURL].concat(Array.prototype.slice.call(arguments))));
			}
		}])

		// a simple utility to create $firebase objects from angularFire
		.service('syncData', ['$firebase', 'firebaseRef', '$q', function($firebase, firebaseRef, $q) {
			/**
			* @function
			* @name syncData
			* @param {String|Array...} path
			* @param {int} [limit]
			* @return a Firebase instance
			*/
			return function(path, limit) {
				
				// Lets grab our firebase reference and limit it
				var ref = firebaseRef(path);
				limit && (ref = ref.limit(limit));
				var object = $firebase(ref);

				/**
				*
				* Lets expose a very limited subset of the API
				*
				**/  
				console.log(object);
				return {
					/**
					* @function
					* @name $bind
					* @param {Object} object
					* @return a Promise
					*/
					$bind: object.$bind,
					
					/**
					* @function
					* @name $add
					* @param {Object} object
					* @return a Promise
					*/
					$add: function() {
						
						var deferred = $q.defer();
						
						object.$add.apply(object, arguments).then(function(record) {
							// API tweek, Return the id
							deferred.resolve(record.name());
						});
						
						return deferred.promise;
						
					}
				};
			}
		}]);
		
function pathRef(args) {
   for(var i=0; i < args.length; i++) {
      if( typeof(args[i]) === 'object' ) {
         args[i] = pathRef(args[i]);
      }
   }
   return args.join('/');
}
});

So is this example using a service to connect to Firebase , in which you could connect controllers to your service Firebase object ?