Simple server using http

server-with-static.js

const http = require('http');
const url = require('url');
const path = require('path')
const fs = require('fs');

const mimeTypes = {
  "html": "text/html",
  "mp3":"audio/mpeg",
  "mp4":"video/mp4",
  "jpeg": "image/jpeg",
  "jpg": "image/jpeg",
  "png": "image/png",
  "js": "text/javascript",
  "css": "text/css"
};

const config = {
  port: 8080
}

const routes = {
  "GET": {
    "/": (req, res) => {
      res.write('Hello World!');
      res.end();
    },
    "/about": (req, res) => {
      res.write('About Page');
      res.end();
    },
    "/contact": (req, res) => {
      res.writeHead(200, {'Content-Type': 'text/html'});
      const fileStream = fs.createReadStream('./contact.html');
      fileStream.pipe(res);
    }
  }
}

http.createServer(function (req, res) {
  const urlParse = url.parse(req.url, true);
  const pathname = path.resolve(urlParse.pathname)

  // Checking if a route exist
  if (routes[req.method]) {
    const route = routes[req.method][pathname]
    if (route) {
      try {
        return route(req, res)
      } catch (err) {
        console.log(err)
        res.writeHead(500, {'Content-Type': 'text/html'});
        return res.end(`Something happen\n ${JSON.stringify(err, null, 2)}`);
      }
    }
  }

  // Checking if the request is a file
  const filename = path.join(process.cwd(), urlParse.pathname);
  fs.exists(filename, function(exists) {
    if(!exists) {
        res.writeHead(200, {'Content-Type': 'text/plain'});
        res.write('404 Not Found\n');
        res.end();
        return;
    }
    const mimeType = mimeTypes[path.extname(filename).split(".")[1]];
    res.writeHead(200, {'Content-Type':mimeType});
    const fileStream = fs.createReadStream(filename);
    fileStream.pipe(res);
  });

}).listen(config.port);

console.log(`server running on port ${config.port}`);

server.js

const http = require('http');
const url = require('url');
const path = require('path')

const config = { port: 8080 }

const routes = {
  "GET": {
    "/": (req, res) => {
      res.write('Hello World!')
      res.end()
    },
    "/about": (req, res) => {
      res.write('About Page')
      res.end()
    }
  }
}

http.createServer(function (req, res) {
  const urlParse = url.parse(req.url, true);
  const pathname = path.resolve(urlParse.pathname)
  if (routes[req.method]) {
    const route = routes[req.method][pathname]
    if (route) {
      route(req, res)
      return
    }
  }
  res.write('Page or File Not Found')
  res.end()
}).listen(config.port)

console.log(`server running on port ${config.port}`)