From 5ab8b1c32ebf30843b7d6284f29ec2b9d3d67ed2 Mon Sep 17 00:00:00 2001
From: Christopher Baines <cb15g11@soton.ac.uk>
Date: Sat, 21 Mar 2015 12:09:24 +0000
Subject: Add a dependancy warning

---
 src/leaflet-soton.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/leaflet-soton.js b/src/leaflet-soton.js
index 9fb8998..8d849b9 100644
--- a/src/leaflet-soton.js
+++ b/src/leaflet-soton.js
@@ -916,6 +916,12 @@ SELECT * WHERE {\
         initialize: function (id, options) {
             options = L.setOptions(this, options);
 
+            if (options.busRoutes) {
+                if (!L.Route) {
+                    console.warn("The busRoutes option requires the leaflet-route library");
+                }
+            }
+
             L.Map.prototype.initialize.call(this, id, options);
             var map = this;
 
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