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detect-port-alt (1.1.6)

Published 2026-02-24 13:55:28 +00:00 by atheaadmin

Installation

Setup this registry in your project .npmrc file:

registry=

To install the package using npm, run the following command:

npm install detect-port-alt@1.1.6

or add it to the package.json file:

"detect-port-alt": "1.1.6"

For more information on the npm registry, see the documentation.

About this package

---

JavaScript Implementation of Port Detector

Usage

$ npm i detect-port --save

const detect = require('detect-port');

/**
 * callback usage
 */

detect(port, (err, _port) => {
  if (err) {
    console.log(err);
  }

  if (port == _port) {
    console.log(`port: ${port} was not occupied`);
  } else {
    console.log(`port: ${port} was occupied, try port: ${_port}`);
  }
});

/**
 * for a yield syntax instead of callback function implement
 */

const co = require('co');

co(function *() {
  const _port = yield detect(port);

  if (port == _port) {
    console.log(`port: ${port} was not occupied`);
  } else {
    console.log(`port: ${port} was occupied, try port: ${_port}`);
  }
});

/**
 * use as a promise
 */

detect(port)
  .then(_port => {
    if (port == _port) {
      console.log(`port: ${port} was not occupied`);
    } else {
      console.log(`port: ${port} was occupied, try port: ${_port}`);
    }
  })
  .catch(err => {
    console.log(err);
  });

Command Line Tool

$ npm i detect-port -g

Quick Start

# get an available port randomly
$ detect

# detect pointed port
$ detect 80

# more help
$ detect --help

Authors

• xudafeng
• zenzhu

License

MIT

Dependencies

Dependencies

ID	Version
address	^1.0.1
debug	^2.6.0

Development Dependencies

ID	Version
command-line-test	^1.0.8
egg-bin	^1.10.3
egg-ci	^1.1.0
eslint	^3.13.1
eslint-config-egg	^3.1.0
pedding	^1.1.0

Keywords

detect port

Details

npm

2026-02-24 13:55:28 +00:00

1

Project Site

MIT

latest

26 KiB

Assets (1)

detect-port-alt-1.1.6.tgz 26 KiB

Versions (1) View all

1.1.6 2026-02-24