fix(geojsonSource): protect onDestroy

Wykks · Wykks · commit ac8172e820d1 · 2017-11-17T22:54:16.000+01:00
fix #6
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>) {

Original file line number	Diff line number	Diff line change
`@@ -82,8 +82,10 @@ export class GeoJSONSourceComponent implements OnInit, OnDestroy, OnChanges, Geo`
`82`	`82`	`}`
`83`	`83`
`84`	`84`	`ngOnDestroy() {`
`85`		`- this.sub.unsubscribe();`
`86`		`- this.MapService.removeSource(this.id);`
	`85`	`+ if (this.sourceAdded) {`
	`86`	`+ this.sub.unsubscribe();`
	`87`	`+ this.MapService.removeSource(this.id);`
	`88`	`+ }`
`87`	`89`	`}`
`88`	`90`
`89`	`91`	`addFeature(feature: GeoJSON.Feature<GeoJSON.GeometryObject>) {`