fix(geojsonSource): protect onDestroy

fix #6
Wykks · Nov 17, 2017 · ac8172e · ac8172e
1 parent 4a09a80
commit ac8172e
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/app/lib/source/geojson/geojson-source.component.ts b/src/app/lib/source/geojson/geojson-source.component.ts
@@ -82,8 +82,10 @@ export class GeoJSONSourceComponent implements OnInit, OnDestroy, OnChanges, Geo
   }
 
   ngOnDestroy() {
-    this.sub.unsubscribe();
-    this.MapService.removeSource(this.id);
+    if (this.sourceAdded) {
+      this.sub.unsubscribe();
+      this.MapService.removeSource(this.id);
+    }
   }
 
   addFeature(feature: GeoJSON.Feature<GeoJSON.GeometryObject>) {