Hello World with express-decorators

.babelrc

{
    "presets": ["es2015"],
    "plugins": [
        "transform-decorators-legacy",
        "transform-async-to-generator"
    ]
}

hello-world.js

import express           from 'express'
import {controller, get} from 'express-decorators'

// define app
const app = express()

// define a controller class
@controller('/hello')
class HelloController {

    @get('/:target')
    async sayHelloAction(request, response) {
        response.send(`hello ${request.params.target||'world'}!!`)
    }
}

let hello = new HelloController()

hello.register(app)

//boot
app.listen(3000, () => console.log('App running on 3000'))

package.json

{
  "scripts": {
    "start": "babel-node hello-world.js",
  },
  "dependencies": {
    "babel-cli": "^6.18.0",
    "babel-plugin-transform-async-to-generator": "^6.16.0",
    "babel-plugin-transform-decorators-legacy": "^1.3.4",
    "babel-preset-es2015": "^6.18.0",
    "express": "^4.14.0",
    "express-decorators": "^0.5.0"
  }
}