export socket io connection

1const io = require('./socket.js').get();
2

1let io;
2
3module.exports = {
4  init: (server) => {
5    io = require('socket.io').listen(server); io.origins('*:*');
6    return io;
7  },
8  get: () => {
9    if (!io) {
10      throw new Error("socket is not initialized");
11    }
12    return io;
13  }
14};
15

1const app = require('../app');
2const http = require('http');
3
4/**
5 * Get port from environment and store in Express.
6 */
7
8const port = '3015';
9app.set('port', port);
10
11/**
12 * Create HTTP server.
13 */
14
15const server = http.createServer(app);
16const io = require('./socket.js').init(server);
17
18io.on('connection', (socket) => {
19  console.log('Connection success', socket.id);
20  socket.on('disconnect', () => {
21    console.log('Connection disconnected', socket.id);
22  });
23}
24