dahool · June 13, 2018 13:46 · Jun 13, 2018
diff --git a/angularspinner.ts b/angularspinner.ts
@@ -0,0 +1,24 @@
+import { NgxSpinnerService } from 'ngx-spinner';
+import { map, finalize } from 'rxjs/operators';
+import { HttpClient, HttpHeaders } from '@angular/common/http'; 
+
+...
+
+private attachSpinner(ob : Observable<any>): Observable<any> {
+    this.spinner.show();
+    return ob.pipe(finalize(() => {
+        this.spinner.hide()
+    }));
+}
+
+...
+
+let ob = this.http.get<ServerData[]>(this.url)
+        .pipe(map((data: any) => {
+            let serverList: ServerData[] = [];
+            data.serverlist.forEach(s => {
+                serverList.push({server: s);
+            })
+            return serverList;
+        }));                
+return this.attachSpinner(ob);