From 83590161bd9ab6a25c7d196a86c2a287ba488392 Mon Sep 17 00:00:00 2001
From: jacobdoran <jacob@2simple.com>
Date: Thu, 28 Jan 2021 13:44:48 +0000
Subject: [PATCH] Fixed event listener memory leak

Event listeners should be removed when plugin is destroyed.
---
 src/plugins/cursor-plugin.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/plugins/cursor-plugin.js b/src/plugins/cursor-plugin.js
index 1ca9603..ce7bb39 100644
--- a/src/plugins/cursor-plugin.js
+++ b/src/plugins/cursor-plugin.js
@@ -135,6 +135,8 @@ export const yCursorPlugin = (awareness, { cursorBuilder = defaultCursorBuilder,
     return {
       update: updateCursorInfo,
       destroy: () => {
+        view.dom.removeEventListener('focusin', updateCursorInfo)
+        view.dom.removeEventListener('focusout', updateCursorInfo)
         awareness.off('change', awarenessListener)
         awareness.setLocalStateField(cursorStateField, null)
       }