From 8488ce1402e6f95204ce54174b96c7e036cb7532 Mon Sep 17 00:00:00 2001
From: schlagmichdoch <schlagmichdoch@users.noreply.github.com>
Date: Sat, 4 Feb 2023 16:22:57 +0100
Subject: [PATCH] fix socket is null if PWA is offline

---
 public/scripts/network.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/public/scripts/network.js b/public/scripts/network.js
index 9ab02d3..ff26d0d 100644
--- a/public/scripts/network.js
+++ b/public/scripts/network.js
@@ -139,10 +139,12 @@ class ServerConnection {
 
     _disconnect() {
         this.send({ type: 'disconnect' });
-        this._socket.onclose = null;
-        this._socket.close();
-        this._socket = null;
-        Events.fire('ws-disconnected');
+        if (this._socket) {
+            this._socket.onclose = null;
+            this._socket.close();
+            this._socket = null;
+            Events.fire('ws-disconnected');
+        }
     }
 
     _onDisconnect() {