new exerimental tools, lessons learned about beatleader authentication (it requires steamworks sdk and steam ticket handling)

src/lib/stores/songPlayer.ts

@@ -46,8 +46,10 @@ function handleTimeUpdate(): void {
 }
 
 function handleMetadata(): void {
-  if (!audio) return;
-  update((state) => ({ ...state, duration: isFinite(audio.duration) ? audio.duration : 0 }));
+  const a = audio;
+  if (!a) return;
+  const dur = Number.isFinite(a.duration) ? a.duration : 0;
+  update((state) => ({ ...state, duration: dur }));
 }
 
 function handleEnded(): void {