optimising and making it better

src/app/app.ts

@@ -43,7 +43,8 @@ export class App implements OnInit {
         takeUntilDestroyed(this.destroyRef)
       )
       .subscribe((event) => {
-        const url = (event as NavigationEnd).urlAfterRedirects || (event as NavigationEnd).url;
+        const navEnd = event as NavigationEnd;
+        const url = navEnd.urlAfterRedirects || navEnd.url;
         this.isHomePage.set(url === '/' || url === '/home' || url === '');
       });
   }