From 0e96f3f02e25f2555f122e043cba36ccf3758a7e Mon Sep 17 00:00:00 2001
From: Tom Russell <tomalrussell@gmail.com>
Date: Thu, 2 Aug 2018 16:55:49 +0100
Subject: [PATCH] Only add highlight layer when ready

---
 frontend/main.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/frontend/main.js b/frontend/main.js
index 9094f7af..3743e539 100755
--- a/frontend/main.js
+++ b/frontend/main.js
@@ -50,7 +50,7 @@ function map(){
         maxZoom: 20,
         minZoom: 14
     })
-    highlight_layer.addTo(map);
+    var highlight_layer_added = false;
 
     // Query for building on click
     map.on('click', function(e){
@@ -64,6 +64,9 @@ function map(){
             if (data.geometry_id){
                 highlight_layer.setUrl('/tiles/highlight/{z}/{x}/{y}.png?highlight='+data.geometry_id)
             }
+            if (!highlight_layer_added && data.geometry_id){
+                highlight_layer.addTo(map);
+            }
         })
     })