Get an available TCP port
$ npm install get-port
const getPort = require('get-port');
getPort().then(port => {
console.log(port);
//=> 51402
});Optionally, pass in a preferred port:
getPort({port: 3000}).then(port => {
console.log(port);
// Will use 3000 if available, otherwise fall back to a random port
});Returns a Promise for a port number.
Type: Object
Type: number
The preferred port to use.
Type: string
The host on which port resolution should be performed. Can be either an IPv4 or IPv6 address.
- get-port-cli - CLI for this module
MIT © Sindre Sorhus