From 7002e5a6c1a249f26854a9f218b8440e22d9dfdf Mon Sep 17 00:00:00 2001
From: Tom Butcher <thomasbutcher15@gmail.com>
Date: Sat, 4 Jul 2026 15:17:56 +0100
Subject: [PATCH] Enhance callback handling in SocketUser class to ensure
 callback is a function before invocation, preventing potential runtime
 errors.

---
 src/socket/socketuser.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/socket/socketuser.js b/src/socket/socketuser.js
index 28efb8b..b63392d 100644
--- a/src/socket/socketuser.js
+++ b/src/socket/socketuser.js
@@ -174,7 +174,9 @@ export class SocketUser {
       data.objectType,
       data.filter
     );
-    callback({ success: true });
+    if (typeof callback === 'function') {
+      callback({ success: true });
+    }
   }
 
   async handleSubscribeToObjectUpdateEvent(data, callback) {
@@ -182,7 +184,9 @@ export class SocketUser {
       data._id,
       data.objectType
     );
-    callback(result);
+    if (typeof callback === 'function') {
+      callback(result);
+    }
   }
 
   async handleSubscribeToObjectEventEvent(data) {