From b5f7b59692ce4933e2d63eb5df3f50a4ba68ccc0 Mon Sep 17 00:00:00 2001
From: Jeff Hicken <jhicken@gmail.com>
Date: Wed, 24 Sep 2014 11:12:17 -0600
Subject: [PATCH] fix(ui-sref): Allow sref state options to take a scope object

---
 src/stateDirectives.js      |  4 ++--
 test/stateDirectivesSpec.js | 14 ++++++++++++++
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/stateDirectives.js b/src/stateDirectives.js
index ba730ce29..b404578da 100644
--- a/src/stateDirectives.js
+++ b/src/stateDirectives.js
@@ -100,7 +100,7 @@ function $StateRefDirective($state, $timeout) {
       });
 
       var update = function(newVal) {
-        if (newVal) params = newVal;
+        if (newVal) params = angular.copy(newVal);
         if (!nav) return;
 
         newHref = $state.href(ref.state, params, options);
@@ -120,7 +120,7 @@ function $StateRefDirective($state, $timeout) {
         scope.$watch(ref.paramExpr, function(newVal, oldVal) {
           if (newVal !== params) update(newVal);
         }, true);
-        params = scope.$eval(ref.paramExpr);
+        params = angular.copy(scope.$eval(ref.paramExpr));
       }
       update();
 
diff --git a/test/stateDirectivesSpec.js b/test/stateDirectivesSpec.js
index 1e9e1bead..da000b603 100644
--- a/test/stateDirectivesSpec.js
+++ b/test/stateDirectivesSpec.js
@@ -243,6 +243,20 @@ describe('uiStateRef', function() {
       $rootScope.$digest();
       expect(el.attr('href')).toBe('#/contacts/3');
     }));
+
+    it('should take an object as a parameter and update properly on digest churns', inject(function($rootScope, $q, $compile, $state) {
+
+      el = angular.element('<div><a ui-sref="contacts.item.detail(urlParams)">Contacts</a></div>');
+      template = $compile(el)($rootScope);
+
+      $rootScope.urlParams = { id:1 };
+      $rootScope.$digest();
+      expect(angular.element(template[0].querySelector('a')).attr('href')).toBe('#/contacts/1');
+
+      $rootScope.urlParams.id = 2;
+      $rootScope.$digest();
+      expect(angular.element(template[0].querySelector('a')).attr('href')).toBe('#/contacts/2');
+    }));
   });
 
   describe('links in html5 mode', function() {