From 1bc168a002ed33d5f99ef9016ffff24a0e73c90d Mon Sep 17 00:00:00 2001
From: Robin Bolscher <robinbolscher@gmail.com>
Date: Thu, 6 Nov 2025 11:03:41 +0100
Subject: [PATCH] fix(eio-client): prevent infinite loop with Node.js built-in
 WebSocket

This is a backport of https://github.com/socketio/socket.io/commit/4865f2e62eff9cf59f602e753d9f84159a3139af

Related: #5194
---
 lib/transports/websocket.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/transports/websocket.js b/lib/transports/websocket.js
index f9c4b7a46..3d6c50931 100644
--- a/lib/transports/websocket.js
+++ b/lib/transports/websocket.js
@@ -245,6 +245,7 @@ WS.prototype.onClose = function () {
 
 WS.prototype.doClose = function () {
   if (typeof this.ws !== 'undefined') {
+    this.ws.onerror = () => {};
     this.ws.close();
   }
 };