simple-http-server a simple HTTP server is based on NodeJS implemented base features need for debugging and testing javascript files.
Installation via npm:
 npm install dev-http-server -g
// add reference to the module
const HttpSrv = require('dev-http-server');
// create instance
const httpSrv = new HttpSrv();
// add route
httpSrv.onPost('/page', (req, res) => {
    res.writeHead(200, { 'Content-Type': 'text/plain' });
    res.end('Page Two');
});
// run server
HttpSrv.run({ httpSrv });If server run correctly, you see following message:
Http Server started on 127.0.0.1:1337
HttpSrv.run method has following options
const option = {
    httpSrv: new HttpSrv(), // instance of HttpSrv object
    address: '127.0.0.1', // IP address of server
    port = 1337, // Port of server 
};// add reference to the module
const HttpSrv = require('dev-http-server');
// create instance
const httpSrv = new HttpSrv();
// add static get response for select2 javascript component
httpSrv.onGet('/select2', (req, res) => {
    res.writeHead(200, { 'Content-Type': 'application/json' });
    const obj = {
        results: [{
            text: 'Group 1',
            children: [
                { id: 1, text: 'element 1' },
                { id: 2, text: 'element 2' },
            ],
        }, {
            text: 'Group 2',
            children: [
                { id: 3, text: 'element 3' },
                { id: 4, text: 'element 4' },
            ],
        },
        { id: 5, text: 'element 5' },
        ],
    };
    res.end(JSON.stringify(obj));
});
httpSrv.onPost('/page', (req, res) => {
    res.writeHead(200, { 'Content-Type': 'text/plain' });
    res.end('Page Two');
});
// run server
HttpSrv.run({ httpSrv });// add reference to the module
const HttpSrv = require('dev-http-server');
// create instance
const httpSrv = new HttpSrv();
// add for url /test all possible CRUD operation
// GET, POST PUT DELETE
// for GET /test server will return all content of file db.json
// GET /test/1 return object with id=1
// PUT add new object into db
// POST update exist record in db.json
httpSrv.setJson('/test', 'src/db.json', 'id', false);
// run server
HttpSrv.run({ httpSrv });// add reference to the module
const HttpSrv = require('dev-http-server');
// create instance
const httpSrv = new HttpSrv();
// for GET / server will return content of file index.html in folder /www
// GET /file.html return content of file.html in folder /www
httpSrv.setStatic('/', '/www', 'index.html');
// run server
HttpSrv.run({ httpSrv });