update tslint -> eslint

src/app/modules/songs/services/upload.service.ts

@@ -6,17 +6,15 @@ import {finalize} from 'rxjs/operators';
 import {FileBase} from './fileBase';
 import {FileServer} from './fileServer';
 
-
 @Injectable({
-  providedIn: 'root'
+  providedIn: 'root',
 })
 export class UploadService extends FileBase {
-
-  constructor(private fileDataService: FileDataService, private angularFireStorage: AngularFireStorage) {
+  public constructor(private fileDataService: FileDataService, private angularFireStorage: AngularFireStorage) {
     super();
   }
 
-  public async pushUpload(songId: string, upload: Upload) {
+  public pushUpload(songId: string, upload: Upload): void {
     const directory = this.directory(songId);
     const filePath = `${directory}/${upload.file.name}`;
     upload.path = directory;
@@ -24,20 +22,18 @@ export class UploadService extends FileBase {
     const ref = this.angularFireStorage.ref(filePath);
     const task = ref.put(upload.file);
 
-    task.percentageChanges().subscribe(percent => upload.progress = percent);
-    task.snapshotChanges().pipe(
-      finalize(() => {
-        this.saveFileData(songId, upload);
-      })
-    ).subscribe();
-
+    task.percentageChanges().subscribe(percent => (upload.progress = percent));
+    task
+      .snapshotChanges()
+      .pipe(finalize(() => void this.saveFileData(songId, upload)))
+      .subscribe();
   }
 
   private async saveFileData(songId: string, upload: Upload) {
     const file: FileServer = {
       name: upload.file.name,
       path: upload.path,
-      createdAt: new Date()
+      createdAt: new Date(),
     };
     await this.fileDataService.set(songId, file);
   }