feat(map): Make route overlay url configurable

Author: David Emory

lib/components/map/routes-overlay.js

@@ -4,22 +4,28 @@ import { TileLayer } from 'react-leaflet'
 
 class RoutesOverlay extends Component {
   static propTypes = {
+    tileUrl: PropTypes.string
   }
 
   render () {
-    return (
-      <TileLayer
-        url='https://d2dyq00q2cz8yt.cloudfront.net/{z}_{x}_{y}@2x.png'
-      />
-    )
+    return this.props.tileUrl
+      ? <TileLayer url={this.props.tileUrl} />
+      : null
   }
 }
 
 // connect to the redux store
 
 const mapStateToProps = (state, ownProps) => {
   // TODO: pass in tileset via config
-  return { }
+  return {
+    tileUrl:
+      state.otp.config.map &&
+      state.otp.config.map.routesOverlay &&
+      state.otp.config.map.routesOverlay.tileUrl
+        ? state.otp.config.map.routesOverlay.tileUrl
+        : null
+  }
 }
 
 const mapDispatchToProps = { }