Simplified code

Author: chrisn

src/app/app.component.ts

@@ -27,7 +27,6 @@ const audioUrls: ExampleAudio[] = [
 })
 export class AppComponent {
   exampleAudio: ExampleAudio[] = audioUrls;
-  audio: ExampleAudio = audioUrls[0];
   selectedAudio: ExampleAudio = audioUrls[0];
 
   onSelect(audio: ExampleAudio): void {

src/app/waveform-view/waveform-view.component.ts

@@ -17,7 +17,7 @@ export class WaveformViewComponent implements AfterViewInit {
   @ViewChild("zoomviewContainer") zoomview: ElementRef = {} as ElementRef;
   @ViewChild("overviewContainer") overview: ElementRef = {} as ElementRef;
   @ViewChild("audio") audioElement: ElementRef = {} as ElementRef;
-  peaks: PeaksInstance | undefined = undefined;
+  peaks?: PeaksInstance;
 
   constructor() {
   }