Fix error in _diffDeep

Prevent method from being called with an undefined value for object1.
node-config · Feb 6, 2013 · 2acce75 · 2acce75
1 parent e2bec9f
commit 2acce75
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/config.js b/lib/config.js
@@ -917,7 +917,7 @@ Config.prototype._diffDeep = function(object1, object2, depth) {
   for (var parm in object2) {
     var value1 = object1[parm];
     var value2 = object2[parm];
-    if (value2 && typeof(value2) == 'object') {
+    if (value1 && value2 && typeof(value2) == 'object') {
       if (!(t._equalsDeep(value1, value2))) {
         diff[parm] = t._diffDeep(value1, value2, depth - 1);
       }