Refactor: loading component

src-ui/src/app/components/loading-component/loading.component.ts

@@ -0,0 +1,23 @@
+import { Subject } from 'rxjs'
+import { ComponentWithPermissions } from '../with-permissions/with-permissions.component'
+import { Directive, OnDestroy } from '@angular/core'
+
+@Directive()
+export abstract class LoadingComponentWithPermissions
+  extends ComponentWithPermissions
+  implements OnDestroy
+{
+  public loading: boolean = true
+  public reveal: boolean = false
+
+  protected unsubscribeNotifier: Subject<any> = new Subject()
+
+  constructor() {
+    super()
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribeNotifier.next(this)
+    this.unsubscribeNotifier.complete()
+  }
+}