From 19d7e6fecd7e88da341abe2a2579f8dc930f5ccf Mon Sep 17 00:00:00 2001
From: schlagmichdoch <schlagmichdoch@users.noreply.github.com>
Date: Mon, 23 Jan 2023 05:28:08 +0100
Subject: [PATCH] prevent channel from opening if connection is closed

---
 public/scripts/network.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/public/scripts/network.js b/public/scripts/network.js
index 6ccbf17..4554f62 100644
--- a/public/scripts/network.js
+++ b/public/scripts/network.js
@@ -518,6 +518,7 @@ class RTCPeer extends Peer {
     }
 
     _openChannel() {
+        if (this._conn.signalingState === "closed") return;
         const channel = this._conn.createDataChannel('data-channel', {
             ordered: true,
             reliable: true // Obsolete. See https://developer.mozilla.org/en-US/docs/Web/API/RTCDataChannel/reliable