Still working on trk delete.

src/components/trkseg/Trkseg.tsx

@@ -25,8 +25,24 @@ export const Trkseg: Component<Props> = ({
   };
   const trkseg = createCachedSignal(params);
 
+  const clearFeatures = () => {
+    [`${trksegId}/start`, trksegId, `${trksegId}/end`].forEach((id) => {
+      const feature = vectorSource.getFeatureById(id);
+      if (feature) {
+        vectorSource.removeFeature(feature);
+      }
+    });
+  };
+
   onCleanup(() => {
+    console.log({
+      caller: 'Trkseg / onCleanup',
+      trksegId,
+      trkseg: trkseg(),
+      params,
+    });
     destroyCachedSignal(params);
+    clearFeatures();
   });
 
   createEffect(() => {
@@ -86,12 +102,7 @@ export const Trkseg: Component<Props> = ({
 
       const features = new GeoJSON().readFeatures(geo);
       console.log({ caller: 'Trkseg', features });
-      [`${trksegId}/start`, trksegId, `${trksegId}/end`].forEach((id) => {
-        const feature = vectorSource.getFeatureById(id);
-        if (feature) {
-          vectorSource.removeFeature(feature);
-        }
-      });
+      clearFeatures();
       vectorSource.addFeatures(features);
     }
   });