From 483306e73c224477a20f7f756a6c98fc33e28db6 Mon Sep 17 00:00:00 2001
From: Nick O'Leary <nick.oleary@gmail.com>
Date: Fri, 19 May 2017 20:35:36 +0100
Subject: [PATCH] Avoid circular references when stingifying node objects

---
 editor/js/ui/view.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/editor/js/ui/view.js b/editor/js/ui/view.js
index 926503639..9ceaf8d1d 100644
--- a/editor/js/ui/view.js
+++ b/editor/js/ui/view.js
@@ -1165,7 +1165,14 @@ RED.view = (function() {
             }
         }
 
-        var selectionJSON = JSON.stringify(selection);
+        var selectionJSON = JSON.stringify(selection,function(key,value) {
+            if (key === 'nodes') {
+                return value.map(function(n) { return n.id })
+            } else if (key === 'link') {
+                return value.source.id+":"+value.sourcePort+":"+value.target.id;
+            }
+            return value;
+        });
         if (selectionJSON !== lastSelection) {
             lastSelection = selectionJSON;
             RED.events.emit("view:selection-changed",selection);