From 14f5235dfe6fd50a7cbd123bd55330e636a8bccb Mon Sep 17 00:00:00 2001
From: jpellizzari <jordan@weave.works>
Date: Mon, 17 Apr 2017 17:29:38 -0500
Subject: [PATCH] Handle undefined

---
 client/app/scripts/utils/demo-utils.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/client/app/scripts/utils/demo-utils.js b/client/app/scripts/utils/demo-utils.js
index 2640c6095..b3e6b84a2 100644
--- a/client/app/scripts/utils/demo-utils.js
+++ b/client/app/scripts/utils/demo-utils.js
@@ -18,7 +18,10 @@ function runAction(action, args, dispatch, getState) {
 }
 
 function openNodeDetails(dispatch, getState, run, next) {
-  const { id, label } = getRandomNode(getState);
+  const { id, label } = getRandomNode(getState) || {};
+  if (!id || !label) {
+    return;
+  }
   run(clickNode, [id, label]);
   setTimeout(() => {
     run(clickCloseDetails, [id]);
@@ -28,7 +31,10 @@ function openNodeDetails(dispatch, getState, run, next) {
 
 function changeTopology(dispatch, getState, run, next) {
   const blacklist = ['hosts', 'weave', 'containers-by-hostname'];
-  const { topologies } = getState().toJS();
+  const { topologies } = getState().toJS() || {};
+  if (!topologies) {
+    return;
+  }
   const subTopologies = _.reduce(topologies, (result, t) => {
     if (t.sub_topologies) {
       return result.concat(t.sub_topologies);