From 0b8d7820e91ee6508475e84e26fc3a5a07ae710e Mon Sep 17 00:00:00 2001
From: Yihang Ho <hoyihang5@gmail.com>
Date: Sat, 23 Aug 2014 21:58:00 +0800
Subject: [PATCH] Able to bind to scope using different keys.

---
 angular-local-storage.js      | 14 +++++++++-----
 test/spec/localStorageSpec.js | 13 +++++++++++++
 2 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/angular-local-storage.js b/angular-local-storage.js
index 5f83a1a..8e02988 100644
--- a/angular-local-storage.js
+++ b/angular-local-storage.js
@@ -359,8 +359,12 @@ angularLocalStorage.provider('localStorageService', function() {
       return storageType;
     };
 
-    var bindToScope = function(scope, key, def) {
-      var value = getFromLocalStorage(key);
+    var bindToScope = function(scope, scopeKey, def, lsKey) {
+      if (!lsKey) {
+        lsKey = scopeKey;
+      }
+
+      var value = getFromLocalStorage(lsKey);
 
       if (value === null && angular.isDefined(def)) {
         value = def;
@@ -368,10 +372,10 @@ angularLocalStorage.provider('localStorageService', function() {
         value = angular.extend(def, value);
       }
 
-      $parse(key).assign(scope, value);
+      $parse(scopeKey).assign(scope, value);
 
-      scope.$watchCollection(key, function(newVal) {
-        addToLocalStorage(key, newVal);
+      scope.$watchCollection(scopeKey, function(newVal) {
+        addToLocalStorage(lsKey, newVal);
       });
     };
 
diff --git a/test/spec/localStorageSpec.js b/test/spec/localStorageSpec.js
index 20f52de..7ca0042 100644
--- a/test/spec/localStorageSpec.js
+++ b/test/spec/localStorageSpec.js
@@ -249,6 +249,19 @@ describe('localStorageService', function() {
     expect($rootScope.obj.property).toEqual(localStorageService.get('obj.property'));
   }));
 
+  it('should be able to bind to scope using different key', inject(function($rootScope, localStorageService) {
+
+    localStorageService.set('lsProperty', 'oldValue');
+    localStorageService.bind($rootScope, 'property', undefined, 'lsProperty');
+
+    expect($rootScope.property).toEqual(localStorageService.get('lsProperty'));
+
+    $rootScope.property = 'newValue';
+    $rootScope.$digest();
+
+    expect($rootScope.property).toEqual(localStorageService.get('lsProperty'));
+  }));
+
   //sessionStorage
   describe('SessionStorage', function() {