From 23f79244aedc4a386d6f77564d0146d45b8fd78e Mon Sep 17 00:00:00 2001
From: Pierre Arnaud <arnaud@epsitec.ch>
Date: Fri, 30 Jan 2026 16:40:20 +0100
Subject: [PATCH] Fix SignalR event args spreading for Electron handlers

- Changed event handler to receive args as single array parameter
- Spread array elements as individual arguments to match Socket.IO behavior
---
 src/ElectronNET.Host/api/signalr-bridge.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/ElectronNET.Host/api/signalr-bridge.js b/src/ElectronNET.Host/api/signalr-bridge.js
index e07001f..96fa888 100644
--- a/src/ElectronNET.Host/api/signalr-bridge.js
+++ b/src/ElectronNET.Host/api/signalr-bridge.js
@@ -75,15 +75,18 @@ class SignalRBridge {
 
     setupMessageHandlers() {
         // Handle generic events from .NET - this is where .NET's Emit() calls arrive
-        this.connection.on('event', (eventName, ...args) => {
+        this.connection.on('event', (eventName, args) => {
             safeConsole.log(`[SignalRBridge] Received event: ${eventName}`);
             
+            // args is an array from .NET - spread it when calling handlers
+            const argsArray = Array.isArray(args) ? args : [args];
+            
             // Check if we have handlers registered for this event
             if (this.eventHandlers.has(eventName)) {
                 const handlers = this.eventHandlers.get(eventName);
                 handlers.forEach(handler => {
                     try {
-                        handler(...args);
+                        handler(...argsArray);
                     } catch (err) {
                         safeConsole.error(`[SignalRBridge] Error in event handler for ${eventName}:`, err);
                     }