added loop

src/playback.ts

@@ -7,7 +7,14 @@ import { add_to_history } from "./util/history";
 
 const queue: Queue = {
     songList: [],
-    current: null
+    current: null,
+    loop: null,
+}
+
+export function toggleLoop(): AudioFile | null {
+    if (queue.loop) queue.loop = null
+    else queue.loop = queue.current
+    return queue.loop
 }
 
 export async function requestSong(
@@ -36,7 +43,7 @@ export async function forceRequestSong(
 
 export async function updatePlayer() {
     if (player.state.status === AudioPlayerStatus.Idle) {
-        const nextSong = queue.songList.shift()
+        const nextSong = queue.loop ?? queue.songList.shift()
         if (!nextSong) {
             queue.current = null
             return