From 8c29f679165c27e98ef0f0586e0bec6f966e6482 Mon Sep 17 00:00:00 2001
From: absidue <48293849+absidue@users.noreply.github.com>
Date: Mon, 13 Dec 2021 23:17:15 +0100
Subject: [PATCH] Cleanup old listeners in attachListeners even if the player
 doesn't idle

---
 play-dl/index.ts | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/play-dl/index.ts b/play-dl/index.ts
index cdadf95..ca0f1e7 100644
--- a/play-dl/index.ts
+++ b/play-dl/index.ts
@@ -423,14 +423,29 @@ export function authorization(): void {
  * @param resource A {@link YouTubeStream} or {@link SoundCloudStream}
  */
 export function attachListeners(player: EventEmitter, resource: YouTubeStream | SoundCloudStream) {
+    // cleanup existing listeners if they are still registered
+    type listenerType = (...args: any[]) => void;
+
+    const listeners = player.listeners(AudioPlayerStatus.Idle);
+    for (const cleanup of listeners) {
+        if ((cleanup as any).__playDlAttachedListener) {
+            cleanup();
+            player.removeListener(AudioPlayerStatus.Idle, cleanup as listenerType);
+        }
+    }
+
     const pauseListener = () => resource.pause();
     const resumeListener = () => resource.resume();
-    player.on(AudioPlayerStatus.Paused, pauseListener);
-    player.on(AudioPlayerStatus.AutoPaused, pauseListener);
-    player.on(AudioPlayerStatus.Playing, resumeListener);
-    player.once(AudioPlayerStatus.Idle, () => {
+    const idleListener = () => {
         player.removeListener(AudioPlayerStatus.Paused, pauseListener);
         player.removeListener(AudioPlayerStatus.AutoPaused, pauseListener);
         player.removeListener(AudioPlayerStatus.Playing, resumeListener);
-    });
+    };
+    pauseListener.__playDlAttachedListener = true;
+    resumeListener.__playDlAttachedListener = true;
+    idleListener.__playDlAttachedListener = true;
+    player.on(AudioPlayerStatus.Paused, pauseListener);
+    player.on(AudioPlayerStatus.AutoPaused, pauseListener);
+    player.on(AudioPlayerStatus.Playing, resumeListener);
+    player.once(AudioPlayerStatus.Idle, idleListener);
 }