From 7f33100132e10b93cbee04c3022f83576a114c80 Mon Sep 17 00:00:00 2001
From: "Chen, Tai-Lin" <neil.chentl@gmail.com>
Date: Mon, 25 Mar 2024 15:48:37 +0800
Subject: [PATCH] update

---
 app/src/utils/socket.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/app/src/utils/socket.ts b/app/src/utils/socket.ts
index 46a25fe..987f619 100644
--- a/app/src/utils/socket.ts
+++ b/app/src/utils/socket.ts
@@ -1,8 +1,8 @@
-import io from 'socket.io-client'
+import { io, Socket } from 'socket.io-client'
 
 class SocketWrapper {
-  socket: any
-  listeners: any
+  socket: Socket | null
+  listeners: { event: any; callback: any }[]
   constructor() {
     this.socket = null
     this.listeners = []
@@ -40,7 +40,7 @@ class SocketWrapper {
   bindListeners() {
     this.listeners.forEach(
       ({ event, callback }: { event: any; callback: any }) => {
-        this.socket.on(event, callback)
+        if (this.socket !== null) this.socket.on(event, callback)
       }
     )
   }