From af6a6e647bd7474b0efc8885f92a49516ca48a02 Mon Sep 17 00:00:00 2001
From: tiagosiebler <tiagosiebler@github.com>
Date: Mon, 5 Oct 2020 21:15:10 +0100
Subject: [PATCH] fix: ws handle possible timeout

---
 lib/websocket-client.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/websocket-client.js b/lib/websocket-client.js
index 9e7672f..36aeee8 100644
--- a/lib/websocket-client.js
+++ b/lib/websocket-client.js
@@ -62,7 +62,7 @@ module.exports = class WebsocketClient extends EventEmitter {
     this.logger.info('Closing connection', {category: 'bybit-ws'});
     this.readyState = READY_STATE_CLOSING;
     this._teardown();
-    this.ws.close();
+    this.ws && this.ws.close();
   }
 
   async _connect() {