--- a/client/src/components/Maplayer.vue	Mon Feb 11 16:19:52 2019 +0100
+++ b/client/src/components/Maplayer.vue	Mon Feb 11 16:33:19 2019 +0100
@@ -184,7 +184,7 @@
     // load different fairway dimension layers (level of service)
     ["1", "2", "3"].forEach(los => {
       // loading the full WFS layer without bboxStrategy
-      var source = this.getVSourceByName("Fairway Dimensions LOS " + los)
+      var source = this.getVSourceByName("Fairway Dimensions LOS " + los);
       var loader = function(extent, resolution, projection) {
         var featureRequest = new WFS().writeGetFeature({
           srsName: "EPSG:3857",
@@ -214,10 +214,10 @@
           // would scale to the extend of all resulting features
           // this.openLayersMap.getView().fit(vectorSrc.getExtent());
         });
-      }
+      };
 
       layer = this.getLayerByName("Fairway Dimensions LOS " + los);
-      layer.data.getSource().setLoader(loader)
+      layer.data.getSource().setLoader(loader);
     });
 
     // load following layers with bboxStrategy (using our request builder)

--- a/client/src/components/Zoom.vue	Mon Feb 11 16:19:52 2019 +0100
+++ b/client/src/components/Zoom.vue	Mon Feb 11 16:33:19 2019 +0100
@@ -83,9 +83,9 @@
       for (let i = 0; i < layers.length; i++) {
         let layer = layers[i];
         if (layer instanceof VectorLayer) {
-          console.log(layer.get('source').loader_);
-          layer.getSource().clear(true)
-          layer.getSource().refresh({force: true})
+          console.log(layer.get("source").loader_);
+          layer.getSource().clear(true);
+          layer.getSource().refresh({ force: true });
         }
       }
     }