From 53aea7af6ef1430a1cf099716e270b66bfbf05a3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonatan=20K=C5=82osko?= <jonatanklosko@gmail.com>
Date: Thu, 10 Feb 2022 11:25:37 +0100
Subject: [PATCH] Leave JS output channel only if it exists

---
 assets/js/js_output/index.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/assets/js/js_output/index.js b/assets/js/js_output/index.js
index 57b3b47c4..9200bf543 100644
--- a/assets/js/js_output/index.js
+++ b/assets/js/js_output/index.js
@@ -241,9 +241,11 @@ function getChannel(sessionId, { create = true } = {}) {
  * Leaves the JS outputs channel tied to the current session.
  */
 export function leaveChannel() {
-  channel.leave();
-  channel = null;
-  socket.disconnect();
+  if (channel) {
+    channel.leave();
+    channel = null;
+    socket.disconnect();
+  }
 }
 
 /**