From 00d5fde49ca50eb777ac61541bdd9cc68fd52f20 Mon Sep 17 00:00:00 2001
From: Ole Weitz <git@kasoban.de>
Date: Wed, 16 Jul 2014 13:05:54 +0200
Subject: [PATCH] docs($cacheFactory): prevent example breaking on key update

The example for $cacheFactory breaks when a user tries to update a value for a key.
Setting a new value for an existing key results in duplicate key entries in the key array, thus
breaking the ng-repeat directive. With this fix the key is only added if it isn't contained in the
cache.

Closes #8214
---
 src/ng/cacheFactory.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/ng/cacheFactory.js b/src/ng/cacheFactory.js
index a6fcf233..c5914649 100644
--- a/src/ng/cacheFactory.js
+++ b/src/ng/cacheFactory.js
@@ -67,8 +67,10 @@
            $scope.keys = [];
            $scope.cache = $cacheFactory('cacheId');
            $scope.put = function(key, value) {
-             $scope.cache.put(key, value);
-             $scope.keys.push(key);
+             if ($scope.cache.get(key) === undefined) {
+               $scope.keys.push(key);
+             }
+             $scope.cache.put(key, value === undefined ? null : value);
            };
          }]);
      </file>