gros probleme resolu

srcs/requirements/nestjs/api_back/src/chat/chat.gateway.ts

@@ -1,3 +1,5 @@
+import { HttpException, HttpStatus, Injectable, Res } from '@nestjs/common';
+import { WsException } from '@nestjs/websockets';
 import { WebSocketGateway, SubscribeMessage, WebSocketServer, MessageBody, ConnectedSocket, OnGatewayConnection, OnGatewayDisconnect } from '@nestjs/websockets';
 import { UsersService } from 'src/users/users.service';
 import { ChatService } from './chat.service';
@@ -22,12 +24,16 @@ implements OnGatewayConnection, OnGatewayDisconnect
   @WebSocketServer()
   server;
 
-	async handleConnection(socket: socketDto) {
+	async handleConnection(socket: socketDto)
+	{
 		printCaller('- socket connected :', socket.id, socket.handshake.query.username);
 
 		socket.username = socket.handshake.query.username.toString();
-		this.sockets.set(socket.username, socket);
 
+		if (!socket.username)
+			return;
+
+		this.sockets.set(socket.username, socket);
 		printCaller("--- socket.username:", socket.username);
 
 		let not_emit: string = `${socket.username}_not_emit`;