const kill = require('./') const http = require('http') const port = 8080 const server = http.createServer((req, res) => { res.writeHead(200, { 'Content-Type': 'text/plain' }) res.end('Hi!') }) server.listen(port, () => { console.log('started listening on port', port) setTimeout(() => { console.log('killing port', port) kill(port) .then(console.log) .catch(console.log) }, 1000) })