Merge pull request #144 from Herugrim/kml_improvements

Small improvement and removed unecessary Javascript

Author: Riverfount

flask_googlemaps/templates/googlemaps/gmapjs.html

@@ -12,11 +12,6 @@
         <script src="//cdnjs.cloudflare.com/ajax/libs/js-marker-clusterer/1.0.0/markerclusterer_compiled.js" type="text/javascript"></script>
 {%  endif %}
 
-
-<script src="https://unpkg.com/deck.gl@^7.0.0/dist.min.js"></script>
-
-<script src="https://maps.googleapis.com/maps-api-v3/api/js/42/6/kml.js"></script>
-
 <style type="text/css">
       #{{gmap.identifier}} { {{gmap.style}} }
 </style>
@@ -58,15 +53,17 @@
         {% endif %}
 
         // add kml layer on map
-        const ctaLayer = new google.maps.KmlLayer({
-        url: "{{gmap.layer }}",
-        map: {{gmap.varname}},
-         });
+        {% if gmap.layer %}
+            const ctaLayer = new google.maps.KmlLayer({
+            url: "{{gmap.layer }}",
+            map: {{gmap.varname}},
+            });
+        {% endif %}
 
         // add bicycle layer
         {% if gmap.bicycle_layer %}
-                const bicycleLayer = new google.maps.BicyclingLayer();
-                bicycleLayer.setMap({{gmap.varname}});
+            const bicycleLayer = new google.maps.BicyclingLayer();
+            bicycleLayer.setMap({{gmap.varname}});
         {% endif %}