secure-webrtc-sdk/dist/server.js

Secure P2P WebRTC SDK with built-in signaling server and React hook

// server.js
import express from 'express';
import http from 'http';
import { Server } from 'socket.io';
import cors from 'cors';
export default function startServer() {
  var port = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 5000;
  var app = express();
  app.use(cors());
  var server = http.createServer(app);
  var io = new Server(server, {
    cors: {
      origin: '*'
    }
  });
  var rooms = {}; // { roomId: [socketId, ...] }

  io.on('connection', function (socket) {
    console.log("\uD83D\uDD0C New connection: ".concat(socket.id));
    socket.on('join', function (roomId) {
      if (!rooms[roomId]) rooms[roomId] = [];
      rooms[roomId].push(socket.id);
      var otherUsers = rooms[roomId].filter(function (id) {
        return id !== socket.id;
      });

      // Send existing users to the newly joined one
      socket.emit('all-users', otherUsers);
      console.log("\uD83E\uDDD1\u200D\uD83E\uDD1D\u200D\uD83E\uDDD1 ".concat(socket.id, " joined room ").concat(roomId));
    });
    socket.on('sending-signal', function (payload) {
      io.to(payload.userToSignal).emit('user-joined', {
        signal: payload.signal,
        callerID: payload.callerID
      });
    });
    socket.on('returning-signal', function (payload) {
      io.to(payload.callerID).emit('receiving-returned-signal', {
        signal: payload.signal,
        id: socket.id
      });
    });
    socket.on('disconnect', function () {
      for (var roomId in rooms) {
        rooms[roomId] = rooms[roomId].filter(function (id) {
          return id !== socket.id;
        });
      }
    });
  });
  server.listen(port, function () {
    console.log("\u2705 Signaling server started on port ".concat(port));
  });
}