Add backend

backend/src/main.ts

@@ -0,0 +1,61 @@
+import ioserver, { Socket } from 'socket.io';
+import express from 'express';
+import { Server } from 'http';
+import cors from 'cors';
+
+import { PlayerContainer } from './players/player-container';
+import './index.html';
+import { TransportEvents } from '../../shared/src/transport/transport-events';
+import { Player } from './players/player';
+
+const app = express();
+
+app.use(
+  cors({
+    origin: (origin, callback) => {
+      callback(null, true);
+    },
+    credentials: true,
+  })
+);
+
+const port = 3000;
+const server = new Server(app);
+const io = ioserver(server);
+
+const players = new PlayerContainer();
+
+const log = (text: string) => {
+  io.to('insights').emit('insights', text + '\n');
+};
+
+app.get('/', function (req, res) {
+  res.sendFile('dist/index.html', { root: '.' });
+});
+
+io.on('connection', (socket: SocketIO.Socket) => {
+  socket.on(TransportEvents.PlayerJoining, () => {
+    log('player joined');
+
+    const player = new Player(socket);
+    players.addPlayer(player);
+
+    socket.on(TransportEvents.PlayerSendingInfo, () => {});
+
+    socket.on('disconnect', () => {
+      log('player disconnected');
+
+      players.removePlayerBySocketId(player.socketId);
+    });
+  });
+
+  socket.on('join', (room_name: string) => {
+    socket.join(room_name);
+  });
+
+  //socket.on('disconnect', () => {});
+});
+
+server.listen(port, () => {
+  console.log(`server started at http://localhost:${port}`);
+});