From 09b9b15aeb1c0a23467c19d20e1d168850a156fb Mon Sep 17 00:00:00 2001
From: bernard <bernard.labno@itcrowd.pl>
Date: Mon, 28 Oct 2013 15:40:23 +0100
Subject: [PATCH] #660 Do not export default values

---
 src/Node.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Node.js b/src/Node.js
index 12df7475..c21992af 100644
--- a/src/Node.js
+++ b/src/Node.js
@@ -799,8 +799,12 @@
             // serialize only attributes that are not function, image, DOM, or objects with methods
             for(key in attrs) {
                 val = attrs[key];
-                if(!type._isFunction(val) && !type._isElement(val) && !(type._isObject(val) && type._hasMethods(val))) {
-                    obj.attrs[key] = val;
+                if (!type._isFunction(val) && !type._isElement(val) && !(type._isObject(val) && type._hasMethods(val))) {
+                    var getter = this[GET + Kinetic.Util._capitalize(key)];
+                    var defaultValue = null == getter ? null : getter.call({attrs: {}});
+                    if (defaultValue != val) {
+                        obj.attrs[key] = val;
+                    }
                 }
             }