ftlabs/big-ft

#!/usr/bin/env node
require('dotenv').load({silent: true});

const app = require('../app');
const debug = require('debug')('big-ft:server');
const http = require('http');

/**
 * Normalize a port into a number, string, or false.
 */
const normalizePort = val => {
  const port = parseInt(val, 10);

  if (isNaN(port)) {
    // named pipe
    return val;
  } else if (port >= 0) {
    // port number
    return port;
  } else {
    return false;
  }
}


/**
 * Get port from environment and store in Express.
 */
const port = normalizePort(process.env.PORT || '3000');
app.set('port', port);

/**
 * Create HTTP server.
 */
const server = http.createServer(app);

/**
 * Listen on provided port, on all network interfaces.
 */
server.listen(port);
server.on('error', function onError(error) {
  if (error.syscall !== 'listen') {
    throw error;
  }

  const bind = typeof port === 'string'
    ? 'Pipe ' + port
    : 'Port ' + port;

  // handle specific listen errors with friendly messages
  switch (error.code) {
    case 'EACCES':
      console.error(bind + ' requires elevated privileges');
      process.exit(1);
      break;
    case 'EADDRINUSE':
      console.error(bind + ' is already in use');
      process.exit(1);
      break;
    default:
      throw error;
  }
});

server.on('listening', function onListening() {
  const addr = server.address();
  const bind = typeof addr === 'string'
    ? 'pipe ' + addr
    : 'port ' + addr.port;
  debug('Listening on ' + bind);
});