Use multiple package versions in one node project

multirequire.js

//server.js
const http = require('http');
//const niv = require('npm-install-version');
const chalkv2 = require('chalk');
const multiRequire = require('./multiRequire');
const chalkv1 = multiRequire().multiRequire('chalk','1.0.0');
console.log('chalk v1'+chalkv1.blue(chalkv1.version));
console.log('chalk v2'+chalkv2.blue(chalkv2.version));

const hostname = '127.0.0.1';
const port = 3000;

//niv.install('[email protected]');

const server = http.createServer((req, res) => {
  res.statusCode = 200;
  res.setHeader('Content-Type', 'text/plain');
  res.end('Hello World\n');
});

server.listen(port, hostname, () => {
  console.log(`Server running at http://${hostname}:${port}/`);
});

//multirequire.js
(function(){
    var fs = require('fs');
    module.exports = function(){
        var path = "./node_modules";        
        function multiRequire(module,version){
            if (fs.existsSync(path+'/'+module+'@'+version)){
                console.log('exist');
                return require(path+'/'+module+'@'+version);
            }else{
                console.log('not exist');
                return null;
            }
        }

        return {
            multiRequire: multiRequire
        }
    }
}());