Skip to content

A simple tool to find an open port or domain socket on the current machine

License

Notifications You must be signed in to change notification settings

Pwndrian/node-portfinder

 
 

Folders and files

NameName
Last commit message
Last commit date

Latest commit

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Repository files navigation

node-portfinder CI

Installation

  $ npm install portfinder

Usage

The portfinder module has a simple interface:

  var portfinder = require('portfinder');

  portfinder.getPort(function (err, port) {
    //
    // `port` is guaranteed to be a free port
    // in this scope.
    //
  });

Or with promise (if Promises are supported) :

  const portfinder = require('portfinder');

  portfinder.getPortPromise()
    .then((port) => {
        //
        // `port` is guaranteed to be a free port
        // in this scope.
        //
    })
    .catch((err) => {
        //
        // Could not get a free port, `err` contains the reason.
        //
    });

If portfinder.getPortPromise() is called on a Node version without Promise (<4), it will throw an Error unless Bluebird or any Promise pollyfill is used.

Ports search scope

By default portfinder will start searching from 8000 and scan until maximum port number (65535) is reached.

You can change this globally by setting:

portfinder.setBasePort(3000);    // default: 8000
portfinder.setHighestPort(3333); // default: 65535

or by passing optional options object on each invocation:

portfinder.getPort({
    port: 3000,    // minimum port
    stopPort: 3333 // maximum port
}, callback);

Run Tests

  $ npm test

Author/Maintainer: Erik Trom

License: MIT/X11

About

A simple tool to find an open port or domain socket on the current machine

Resources

License

Stars

Watchers

Forks

Releases

No releases published

Packages

No packages published

Languages

  • JavaScript 100.0%