update tslint -> eslint

src/app/modules/songs/song/edit/history/history.component.html

@@ -1,6 +1,6 @@
 <app-card *ngIf="song && song.edits" heading="letzte Änderungen">
   <div *ngFor="let edit of song.edits" class="list">
-    <div>{{edit.username}}</div>
-    <div>{{edit.timestamp.toDate()|date:'dd.MM.yyyy'}}</div>
+    <div>{{ edit.username }}</div>
+    <div>{{ edit.timestamp.toDate() | date: "dd.MM.yyyy" }}</div>
   </div>
 </app-card>

src/app/modules/songs/song/edit/history/history.component.spec.ts

@@ -6,12 +6,13 @@ describe('HistoryComponent', () => {
   let component: HistoryComponent;
   let fixture: ComponentFixture<HistoryComponent>;
 
-  beforeEach(waitForAsync(() => {
-    TestBed.configureTestingModule({
-      declarations: [HistoryComponent]
+  beforeEach(
+    waitForAsync(() => {
+      void TestBed.configureTestingModule({
+        declarations: [HistoryComponent],
+      }).compileComponents();
     })
-      .compileComponents();
-  }));
+  );
 
   beforeEach(() => {
     fixture = TestBed.createComponent(HistoryComponent);
@@ -20,6 +21,6 @@ describe('HistoryComponent', () => {
   });
 
   it('should create', () => {
-    expect(component).toBeTruthy();
+    void expect(component).toBeTruthy();
   });
 });

src/app/modules/songs/song/edit/history/history.component.ts

@@ -7,25 +7,22 @@ import {Song} from '../../../services/song';
 @Component({
   selector: 'app-history',
   templateUrl: './history.component.html',
-  styleUrls: ['./history.component.less']
+  styleUrls: ['./history.component.less'],
 })
 export class HistoryComponent implements OnInit {
   public song: Song;
 
-  constructor(
-    private activatedRoute: ActivatedRoute,
-    private songService: SongService,
-  ) {
-  }
-
+  public constructor(private activatedRoute: ActivatedRoute, private songService: SongService) {}
 
   public ngOnInit(): void {
-    this.activatedRoute.params.pipe(
-      map(param => param.songId),
-      switchMap(songId => this.songService.read$(songId)),
-      first()
-    ).subscribe(song => {
-      this.song = song;
-    });
+    this.activatedRoute.params
+      .pipe(
+        map((param: {songId: string}) => param.songId),
+        switchMap(songId => this.songService.read$(songId)),
+        first()
+      )
+      .subscribe(song => {
+        this.song = song;
+      });
   }
 }