From: John Firebaugh <john.firebaugh@gmail.com>
Date: Thu, 14 Nov 2013 00:01:54 +0000 (-0800)
Subject: Don't set state if it doesn't exist
X-Git-Tag: live~4625^2~75
X-Git-Url: https://git.openstreetmap.org/rails.git/commitdiff_plain/f24309ad3e7b2a805f032afdef9765dc6d0bc022

Don't set state if it doesn't exist
---

diff --git a/app/assets/javascripts/router.js b/app/assets/javascripts/router.js
index fbad1e28c..5b9cdad07 100644
--- a/app/assets/javascripts/router.js
+++ b/app/assets/javascripts/router.js
@@ -88,8 +88,10 @@ OSM.Router = function(map, rts) {
       currentRoute = routes.recognize(currentPath);
       currentRoute.run('popstate', currentPath);
       var state = e.originalEvent.state;
-      map.setView(state.center, state.zoom, {animate: false});
-      map.updateLayers(state.layers);
+      if (state.center) {
+        map.setView(state.center, state.zoom, {animate: false});
+        map.updateLayers(state.layers);
+      }
     });
 
     return function (url) {