server.js

'use strict';

const ROOT_DIR = process.env.ROOT_DIR = __dirname;
const SERVER_PORT = process.env.PORT || 8989;

// Pull in environmental variables
require('dotenv').config({ path: `${ROOT_DIR}/.env` });

// Import connections
require(`${ROOT_DIR}/config/mongoose`);
require(`${ROOT_DIR}/config/redis`);

// Import Components
var express = require('express');
var app = express();
var bodyParser = require('body-parser');
var cookieParser = require('cookie-parser');
var logger = require(`${ROOT_DIR}/config/winston`);
var nunjucksENV = require(`${ROOT_DIR}/config/nunjucksENV`);

// Import Routes
var viewRoutes = require(`${ROOT_DIR}/lib/routes/views/views.route`);
var apiRoutes = require(`${ROOT_DIR}/lib/routes/api/api.route`);

// CORS
app.use((req, res, next) => {

	res.header('Access-Control-Allow-Origin', '*');
	res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept, Authorization');
	res.header('Access-Control-Allow-Methods', 'POST, GET, PUT, DELETE, OPTIONS');
	res.removeHeader('x-powered-by');
	next();

});

app.use(express.static(`${ROOT_DIR}/public/static`));
app.set('view engine', 'nunjucks');
nunjucksENV.express(app);


app.options('*', (req, res, next) => { res.send(''); });

app.use(bodyParser.json({ limit: '1mb' }));
app.use(cookieParser());

// Configure routes
app.use('/', viewRoutes);
app.use('/api', apiRoutes);

// Configure Error Handling
app.all('*', (req, res, next) => {

	res.status(404);

	// DEPENDING ON API OR VIEW, RENDER 404 OR SEND 404

	// res.render('404');

    res.send({
		'status': res.statusCode,
		'message': 'No resource exists at this route.'
	});

});

app.use((err, req, res, next) => {

	if (err.status == 404) { return next(err); }

	var errorStatus = err.status || 500;

	if (res.statusCode == 200) { res.status(errorStatus); }

	var status = res.statusCode;
	var message = err.message || 'no message';
	var stack = err.stack || 'no stack';
	var raw = err._raw || 'no raw';

	logger.log('error', { 'status': status, 'message': message, 'stack': stack, 'raw': raw });

	next(err);

});

app.use((err, req, res, next) => {

	res.send({
		'status': res.statusCode,
		'message': err.message
	});

	if (err.stack) { console.log(err.stack); }

});

// Start the server

app.listen(SERVER_PORT, () => {

    console.log(`:: express server listening @ port ${SERVER_PORT} ::`);

});