From adea60b07eb9b90b4c098a138257fc370acb1a8e Mon Sep 17 00:00:00 2001
From: Filip Barl <filip.barl@gmail.com>
Date: Mon, 23 Oct 2017 16:28:46 +0200
Subject: [PATCH] Set initial viewport size in global state.

---
 client/app/scripts/reducers/root.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/client/app/scripts/reducers/root.js b/client/app/scripts/reducers/root.js
index 9bbe144f1..1cfafc5bf 100644
--- a/client/app/scripts/reducers/root.js
+++ b/client/app/scripts/reducers/root.js
@@ -88,7 +88,8 @@ export const initialState = makeMap({
   topologyViewMode: GRAPH_VIEW_MODE,
   version: '...',
   versionUpdate: null,
-  viewport: makeMap(),
+  // Set some initial numerical values to prevent NaN in case of edgy race conditions.
+  viewport: makeMap({ width: 0, height: 0 }),
   websocketClosed: false,
   zoomCache: makeMap(),
   serviceImages: makeMap()