Duration

src/app/services/audio.service.ts

@@ -1,5 +1,5 @@
 import {FileSystemFile, Track, TrackMeta, PlaylistItem} from '../models';
-import {Signal} from '@angular/core';
+import {computed, Signal} from '@angular/core';
 import {IndexedArray} from '../lib';
 
 export class AudioService {
@@ -8,6 +8,12 @@ export class AudioService {
   public list: Signal<PlaylistItem[]> = this.playlist.playlist;
   public current: Signal<PlaylistItem|null> = this.playlist.current;
   public index: Signal<number> = this.playlist.index;
+  public progress: Signal<number> = computed(() => {
+    const current = this.current();
+    if (!current) return 0;
+    if (current.duration() === 0) return 0;
+    return current.currentTime() / current.duration();
+  })
 
   constructor() {
     this.context = new AudioContext();