Minimal ExpressJS ES2015 server

.babelrc

{
  presets: [ "es2015" ]
}

index.js

import express from 'express';

const app = express();

app.get('/', (req, resp) => {
  resp.send('Hello, world!');
});

app.listen(3000, () => {
  console.log('Listening at port 3000!');
});

package.json

{
  "name": "minimal-expressjs-es2015",
  "version": "1.0.0",
  "main": "index.js",
  "scripts": {
    "start": "babel-node index.js"
  },
  "devDependencies": {
    "babel-cli": "^6.5.1",
    "babel-preset-es2015": "^6.5.0",
    "express": "^4.13.4"
  }
}