I have isomorphic app written in ES6 on client with Babel transpiler. I want my express server to have the same ES6 syntax as client code. Unfortunately require('babel/register') doesn't work.. server.js require('babel/register'); // doesn't work // require('babel-core/register); doesn't work.. const env = process.env.NODE_ENV || 'development'; const port = process.env.NODE_PORT || 1995; const htt