1 {
 2   "name": "express_babel_demo2",
 3   "version": "1.0.0",
 4   "description": "",
 5   "main": "index.js",
 6   "scripts": {
 7     "test": "echo \"Error: no test specified\" && exit 1"
 8   },
 9   "author": "",
10   "license": "ISC",
11   "dependencies": {
12     "babel-core": "^6.18.2",
13     "babel-preset-es2015": "^6.18.0",
14     "babel-preset-stage-3": "^6.17.0",
15     "babel-runtime": "^6.18.0",
16     "bluebird": "^3.4.6",
17     "express": "^4.14.0"
18   },
19   "devDependencies": {
20     "babel-plugin-transform-runtime": "^6.15.0"
21   }
22 }

 1 {
 2     "presets": [
 3         "stage-3",
 4         "es2015"
 5     ],
 6     "plugins": [
 7         [
 8             "transform-runtime",
 9             {
10                 "polyfill": false,
11                 "regenerator": true
12             }
13         ]
14     ]
15 }

1 require('babel-core/register');
2 require('./app.js');
3 require("babel-core").transform("code", {
4     plugins: ["transform-runtime"]
5 });

 1 var express = require('express');
 2 var app = express();
 3 var fs = require('fs');
 4 var Promise = require('bluebird');
 5
 6 app.get('/', function (req, res) {
 7     testAsync();
 8     res.send('Hello World!');
 9 });
10
11 var server = app.listen(3000, function () {
12     var host = server.address().address;
13     var port = server.address().port;
14
15     console.log('Example app listening at http://%s:%s', host, port);
16 });
17
18
19
20 async function testAsync(name) {
21     console.log("hello");
22     for (let i = 0; i < 3; i++) {
23         let fileContent = await readFile("package.json");
24         console.log(new Buffer(fileContent).toString());
25         console.log(".");
26     }
27     console.log(name);
28 }
29 let readFile = Promise.promisify(fs.readFile);