server.js

/* eslint-disable no-restricted-globals */
const http = require('http');
const config = require('./config');
const app = require('./app');

/**
 * Module to allow usage of process.env
 */
require('dotenv').config();

// connect to mongodb
console.log('\n \t Attempting to connect to database...');

// connect to mongodb
const database = require('./db/database');

database.connect();

console.log('\n \t Database connected successfully');

const normalizerPort = (val) => {
  const port = parseInt(val, 10);

  if (isNaN(port)) {
    return val;
  }
  if (port >= 0) {
    return port;
  }
  return false;
};
const port = normalizerPort(config.port);
app.set('port', port);

const server = http.createServer(app);

const errorHandler = (error) => {
  if (error.syscal !== 'listen') {
    throw error;
  }

  const address = server.address();
  const bind = typeof address === 'string' ? `pipe ${address}` : `port: ${port}`;
  switch (error.code) {
    case 'EACCES':
      console.error(`${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('error', errorHandler);
server.on('listening', () => {
  const address = server.address();
  const bind = typeof address === 'string' ? `pipe ${address}` : `port ${port}`;
  console.log(`Listening on ${bind}`);
});

server.listen(port);
app.all('*', (req, res) => {
  res.render('Pages/404.ejs');
});
module.exports = server;