generator-premiere-mern-stack/app/templates/server/index.ts

A fully function MERN stack generator running on the latest and greatest thats easy to get started with

/* eslint no-undefined: "off" */

import dotenv from 'dotenv';
dotenv.config();

import path from 'path';
import bodyParser from 'body-parser';
import express from 'express';
import { Request, Response, NextFunction } from 'express';
import compression from 'compression';
import helmet from 'helmet';
import session from 'express-session';
import chalk from 'chalk';
import logger from './logger';


const app = express();

const PORT = process.env.PORT;

/****************** Sessions ******************/
const sessionInfo = session({
	secret: 'YOUR_SECRET_HERE',
	resave: true,
	saveUninitialized: true,
	cookie: { maxAge: 600000 }
});

app.use(sessionInfo);


/****************** Server Options ******************/
const cacheTime = 172800000; // 2 Days in ms - Tells clients to cache static files

app.use(helmet()); // Sets some good default headers
app.use(compression()); // Enables gzip compression
app.use(bodyParser.json()) // Lets express handle JSON encoded data sent on the body of requests
app.use(bodyParser.urlencoded({ extended: true }));


/****************** Serve Static Files --> JS, CSS, IMAGES ETC ******************/
app.use(express.static(path.join(__dirname, '../public'), { maxAge: cacheTime } ));


/****************** Log Requests ******************/
app.use('*', (req: Request, _res: Response, next: NextFunction) => {
	logger.log({
		level: 'info',
		message: chalk.red(`\nREQUEST ${JSON.stringify(req.method)} ${req.path}\n`) + chalk.yellow(`QUERY ${JSON.stringify(req.query)}\n`) + chalk.cyan(`BODY: ${JSON.stringify(req.body)}`)
	});

	next();
});


/****************** Route Handling ******************/
// Use api.js for any and all requests made to /api
import apiRouter from './api';
app.use('/api', apiRouter);

app.use('/*', (_req: Request, res: Response) => {
	res.sendFile(path.resolve("./public/index.html"));
});

// Return a 404 page for all other requests - This should be the last get/put/post/delete/all/use call for app
app.use("*", (_req: Request, res: Response) => {
	res.status(404).send(`<h1>404 Page Not Found</h1>`);
});

function startServer() {

	app.listen(PORT, () => {

		console.log(chalk.blue(`App is live on ${process.env.DEV_BASE_URL}`));

	});

}

startServer();