From d9862d6cd2a8f941d57438d40c26fb2f60e1dba6 Mon Sep 17 00:00:00 2001
From: Norbert Renner <norbert.renner@gmx.de>
Date: Thu, 6 Oct 2016 12:26:01 +0200
Subject: [PATCH] Catch JSON.parse SyntaxError to show error message (#53)

---
 js/router/BRouter.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/js/router/BRouter.js b/js/router/BRouter.js
index 9ae3f7f..8331c2b 100644
--- a/js/router/BRouter.js
+++ b/js/router/BRouter.js
@@ -98,10 +98,15 @@ L.BRouter = L.Class.extend({
             // leaflet.spin
             //gpxLayer.fire('data:loaded');
 
-            geojson = JSON.parse(xhr.responseText);
-            layer = L.geoJson(geojson).getLayers()[0];
+            try {
+                geojson = JSON.parse(xhr.responseText);
+                layer = L.geoJson(geojson).getLayers()[0];
 
-            return cb(null, layer);
+                return cb(null, layer);
+            } catch(e) {
+                console.error(e, xhr.responseText);
+                return cb(e);
+            }
         } else {
             cb(BR.Util.getError(xhr));
         }