1 files changed, 23 insertions, 25 deletions
diff --git a/src/formatters.js b/src/formatters.js
index 40462cf3..9122489f 100644
--- a/src/formatters.js
+++ b/src/formatters.js
@@ -3,30 +3,28 @@ function toString(obj) {return (isDefined(obj) && obj !== null) ? "" + obj : obj
 
 var NUMBER = /^\s*[-+]?\d*(\.\d*)?\s*$/;
 
-extend(angularFormatter, {
-  'noop':formatter(identity, identity),
-  'boolean':formatter(toString, toBoolean),
-  'number':formatter(toString,
-      function(obj){
-        if (isString(obj) && NUMBER.exec(obj)) {
-          return obj ? 1*obj : null;
-        }
-        throw "Not a number";
-      }),
+angularFormatter.noop = formatter(identity, identity);
+angularFormatter.json = formatter(toJson, fromJson);
+angularFormatter['boolean'] = formatter(toString, toBoolean);
+angularFormatter.number = formatter(toString, function(obj){
+  if (isString(obj) && NUMBER.exec(obj)) {
+    return obj ? 1*obj : null;
+  }
+  throw "Not a number";
+});
 
-  'list':formatter(
-    function(obj) { return obj ? obj.join(", ") : obj; },
-    function(value) {
-      var list = [];
-      foreach((value || '').split(','), function(item){
-        item = trim(item);
-        if (item) list.push(item);
-      });
-      return list;
-    }
-  ),
+angularFormatter.list = formatter(
+  function(obj) { return obj ? obj.join(", ") : obj; },
+  function(value) {
+    var list = [];
+    foreach((value || '').split(','), function(item){
+      item = trim(item);
+      if (item) list.push(item);
+    });
+    return list;
+  }
+);
 
-  'trim':formatter(
-    function(obj) { return obj ? trim("" + obj) : ""; }
-  )
-});
+angularFormatter.trim = formatter(
+  function(obj) { return obj ? trim("" + obj) : ""; }
+);