angularfire.min.js

"use strict";angular.module("firebase",[]).value("Firebase",Firebase);angular.module("firebase").factory("angularFire",["$q",function($q){return function(url,scope,name,ret){var af=new AngularFire($q,url);return af.associate(scope,name,ret)}}]);function AngularFire($q,url){this._q=$q;this._initial=true;this._remoteValue=false;this._fRef=new Firebase(url)}AngularFire.prototype={associate:function($scope,name,ret){var self=this;if(!ret){ret=[]}var deferred=this._q.defer();var promise=deferred.promise;this._fRef.on("value",function(snap){var resolve=false;if(deferred){resolve=deferred;deferred=false}self._remoteValue=ret;if(snap&&snap.val()){var val=snap.val();if(typeof val!=typeof ret){self._fRef.set(null);return}var check=Object.prototype.toString;if(check.call(ret)!=check.call(val)){self._fRef.set(null);return}self._remoteValue=angular.copy(val);if(angular.equals(val,$scope[name])){return}}self._safeApply($scope,self._resolve.bind(self,$scope,name,resolve,self._remoteValue))});return promise},_resolve:function($scope,name,deferred,val){$scope[name]=angular.copy(val);this._remoteValue=angular.copy(val);if(deferred){deferred.resolve(val);this._watch($scope,name)}},_watch:function($scope,name){var self=this;$scope.$watch(name,function(){if(self._initial){self._initial=false;return}var val=JSON.parse(angular.toJson($scope[name]));if(angular.equals(val,self._remoteValue)){return}self._fRef.set(val)},true)},_safeApply:function($scope,fn){var phase=$scope.$root.$$phase;if(phase=="$apply"||phase=="$digest"){fn()}else{$scope.$apply(fn)}}};angular.module("firebase").factory("angularFireCollection",["$timeout",function($timeout){function angularFireItem(ref,index){this.$ref=ref.ref();this.$id=ref.name();this.$index=index;angular.extend(this,ref.val())}return function(collectionUrl,initialCb){var collection=[];var indexes={};var collectionRef=new Firebase(collectionUrl);function getIndex(prevId){return prevId?indexes[prevId]+1:0}function addChild(index,item){indexes[item.$id]=index;collection.splice(index,0,item)}function removeChild(id){var index=indexes[id];collection.splice(index,1);indexes[id]=undefined}function updateChild(index,item){collection[index]=item}function moveChild(from,to,item){collection.splice(from,1);collection.splice(to,0,item);updateIndexes(from,to)}function updateIndexes(from,to){var length=collection.length;to=to||length;if(to>length){to=length}for(var index=from;index<to;index++){var item=collection[index];item.$index=indexes[item.$id]=index}}if(initialCb&&typeof initialCb=="function"){collectionRef.once("value",initialCb)}collectionRef.on("child_added",function(data,prevId){$timeout(function(){var index=getIndex(prevId);addChild(index,new angularFireItem(data,index));updateIndexes(index)})});collectionRef.on("child_removed",function(data){$timeout(function(){var id=data.name();removeChild(id);updateIndexes(indexes[id])})});collectionRef.on("child_changed",function(data,prevId){$timeout(function(){var index=indexes[data.name()];var newIndex=getIndex(prevId);var item=new angularFireItem(data,index);updateChild(index,item);if(newIndex!==index){moveChild(index,newIndex,item)}})});collectionRef.on("child_moved",function(ref,prevId){$timeout(function(){var oldIndex=indexes[ref.name()];var newIndex=getIndex(prevId);var item=collection[oldIndex];moveChild(oldIndex,newIndex,item)})});collection.add=function(item,cb){collectionRef.push(item,cb?cb:null)};collection.remove=function(itemOrId){var item=angular.isString(itemOrId)?collection[itemOrId]:itemOrId;item.$ref.remove()};collection.update=function(itemOrId){var item=angular.isString(itemOrId)?collection[itemOrId]:itemOrId;var copy={};angular.forEach(item,function(value,key){if(key.indexOf("$")!==0){copy[key]=value}});item.$ref.set(copy)};return collection}}]);