Add guard to possibly null variable

Sienci-Labs · Jan 10, 2024 · d3e7db5 · d3e7db5
1 parent e3c655d
commit d3e7db5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/server/services/cncengine/CNCEngine.js b/src/server/services/cncengine/CNCEngine.js
@@ -402,7 +402,7 @@ class CNCEngine {
 
             // Close serial port
             socket.on('close', (port, callback = noop) => {
-                const numClients = socket.adapter.rooms.get(port).size;
+                const numClients = socket.adapter.rooms?.get(port)?.size;
                 if (typeof callback !== 'function') {
                     callback = noop;
                 }