a http2 push demo

push.js

const http2 = require('http2')
const fs = require('fs')
const privatekey = fs.readFileSync('./certificate/private.pem', 'utf8')
const certificate = fs.readFileSync('./certificate/csr.crt', 'utf8')

const server = http2.createSecureServer({
    key: privatekey,
    cert: certificate
}, function (req, res) {
	res.stream.pushStream({ ':path': '/b.js' }, (err, pushStream, headers) => {
    if (err) throw err;
    pushStream.respond({ ':status': 200 });
    pushStream.end(fs.readFileSync('./b.js'));
  });
	res.stream.end(fs.readFileSync('./index.html'))
})


const port = 8443

server.listen(port, (err) => {
    if (err) {
				console.log(err)
				return
		}
		
		console.log('server is listening on port ', port)
})