Apply Prettier (#581)

angular/src/directives/stop-click.directive.ts

@@ -1,13 +1,10 @@
-import {
-    Directive,
-    HostListener,
-} from '@angular/core';
+import { Directive, HostListener } from "@angular/core";
 
 @Directive({
-    selector: '[appStopClick]',
+  selector: "[appStopClick]",
 })
 export class StopClickDirective {
-    @HostListener('click', ['$event']) onClick($event: MouseEvent) {
-        $event.preventDefault();
-    }
+  @HostListener("click", ["$event"]) onClick($event: MouseEvent) {
+    $event.preventDefault();
+  }
 }