From 3c4196679a569d87f5fc021af5858690d170fa29 Mon Sep 17 00:00:00 2001
From: Alexander Zinchuk <alx.zinchuk@gmail.com>
Date: Fri, 19 Apr 2024 13:38:17 +0400
Subject: [PATCH] Custom Emoji: Fix memory leak when closing chat with draft
 (#4475)

---
 .../middle/composer/hooks/useInputCustomEmojis.ts         | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/components/middle/composer/hooks/useInputCustomEmojis.ts b/src/components/middle/composer/hooks/useInputCustomEmojis.ts
index 945eb7f0c..2f0f1c6f1 100644
--- a/src/components/middle/composer/hooks/useInputCustomEmojis.ts
+++ b/src/components/middle/composer/hooks/useInputCustomEmojis.ts
@@ -132,6 +132,14 @@ export default function useInputCustomEmojis(
     return addCustomEmojiInputRenderCallback(synchronizeElements);
   }, [synchronizeElements]);
 
+  useEffect(() => {
+    const activePlayersById = playersById.current;
+    // Always clear players on unmount
+    return () => {
+      clearPlayers(Array.from(activePlayersById.keys()));
+    };
+  }, []);
+
   useEffect(() => {
     if (!getHtml() || !inputRef.current || !sharedCanvasRef.current || !isActive || !isReady) {
       clearPlayers(Array.from(playersById.current.keys()));