genuinex-screen-sync-server/src/index.js

GenuineX key value sync server

/**
 * @format
 */
'use strict';

const http = require('http');
const express = require('express');
const cors = require('cors');
const WebSocket = require('ws');
const router = require('./router');

// Config
const port = process.env.NODE_PORT || 8080;
const app = express();
const server = http.createServer(app);

// Setup WebSocket
const wss = new WebSocket.Server({
  server, path: '/subscribe'
});

wss.broadcast = (data) => {
  const str = JSON.stringify(data);

  wss.clients.forEach(client => {
    if (client.readyState === WebSocket.OPEN) {
      client.send(str);
    }
  });
}

// Express middlware
app.use(express.json());
app.use(cors({ origin: true }));
app.use((req, res, next) => {
  req.ws = wss;
  return next();
});

// Install router
app.use(router);

server.listen(port, () => {
  console.log('listening on ' + port);
});