get-port

Get an available port

Install

$ 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.