From 5500c2f280013542a687203d515f1b65b83dd264 Mon Sep 17 00:00:00 2001
From: Simon Howe <footless@gmail.com>
Date: Fri, 29 Jan 2016 13:14:08 +0100
Subject: [PATCH] Fixes harmless exception: hitting esc with no cards open.

---
 client/app/scripts/stores/app-store.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client/app/scripts/stores/app-store.js b/client/app/scripts/stores/app-store.js
index f25008a42..5f79042b9 100644
--- a/client/app/scripts/stores/app-store.js
+++ b/client/app/scripts/stores/app-store.js
@@ -240,7 +240,7 @@ export class AppStore extends Store {
   }
 
   getTopCardNodeId() {
-    return nodeDetails.last().id;
+    return nodeDetails.last() && nodeDetails.last().id;
   }
 
   getNodes() {