[Bugfix beta] ensure Binding doesn’t change shape on us by predefinin…

…g its members
emberjs · Jul 20, 2014 · de18087 · de18087
1 parent b805c1c
commit de18087
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/packages/ember-metal/lib/binding.js b/packages/ember-metal/lib/binding.js
@@ -55,12 +55,14 @@ function getWithGlobals(obj, path) {
 // BINDING
 //
 
-var Binding = function(toPath, fromPath) {
+function Binding(toPath, fromPath) {
   this._direction = 'fwd';
   this._from = fromPath;
   this._to   = toPath;
   this._directionMap = Map.create();
-};
+  this._readyToSync = undefined;
+  this._oneWay = undefined;
+}
 
 /**
 @class Binding
@@ -324,7 +326,6 @@ mixinProperties(Binding, {
   }
 
 });
-
 /**
   An `Ember.Binding` connects the properties of two objects so that whenever
   the value of one property changes, the other property will be changed also.