update tslint -> eslint

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

@@ -14,7 +14,7 @@ import {faTrash} from '@fortawesome/free-solid-svg-icons/faTrash';
 @Component({
   selector: 'app-song',
   templateUrl: './song.component.html',
-  styleUrls: ['./song.component.less']
+  styleUrls: ['./song.component.less'],
 })
 export class SongComponent implements OnInit {
   public song$: Observable<Song>;
@@ -23,24 +23,18 @@ export class SongComponent implements OnInit {
   public faEdit = faEdit;
   public faDelete = faTrash;
 
-  constructor(
-    private activatedRoute: ActivatedRoute,
-    private songService: SongService,
-    private fileService: FileDataService,
-    private userService: UserService,
-    private router: Router,
-  ) {
+  public constructor(private activatedRoute: ActivatedRoute, private songService: SongService, private fileService: FileDataService, private userService: UserService, private router: Router) {
     this.user$ = userService.user$;
   }
 
   public ngOnInit(): void {
     this.song$ = this.activatedRoute.params.pipe(
-      map(param => param.songId),
+      map((param: {songId: string}) => param.songId),
       switchMap(songId => this.songService.read$(songId))
     );
 
     this.files$ = this.activatedRoute.params.pipe(
-      map(param => param.songId),
+      map((param: {songId: string}) => param.songId),
       switchMap(songId => this.fileService.read$(songId))
     );
   }
@@ -50,7 +44,7 @@ export class SongComponent implements OnInit {
       return [];
     }
     return flags.split(';').filter(_ => !!_);
-  }
+  };
 
   public async onDelete(songId: string): Promise<void> {
     await this.songService.delete(songId);