112 lines
4.1 KiB
Markdown
112 lines
4.1 KiB
Markdown
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[![logo][logo-image]][logo-url]
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---
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[![NPM version][npm-image]][npm-url]
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[![build status][travis-image]][travis-url]
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[![Test coverage][codecov-image]][codecov-url]
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[![npm download][download-image]][download-url]
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[logo-image]: ./logo.png
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[logo-url]: https://npmjs.org/package/detect-port
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[npm-image]: https://img.shields.io/npm/v/detect-port.svg
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[npm-url]: https://npmjs.org/package/detect-port
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[travis-image]: https://img.shields.io/travis/node-modules/detect-port.svg
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[travis-url]: https://travis-ci.org/node-modules/detect-port
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[codecov-image]: https://img.shields.io/coveralls/node-modules/detect-port.svg
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[codecov-url]: https://codecov.io/gh/node-modules/detect-port
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[download-image]: https://img.shields.io/npm/dm/detect-port.svg
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[download-url]: https://npmjs.org/package/detect-port
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> Node.js implementation of port detector
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## Who are using or has used
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- ⭐⭐⭐[eggjs/egg](//github.com/eggjs/egg)
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- ⭐⭐⭐[alibaba/ice](//github.com/alibaba/ice)
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- ⭐⭐⭐[alibaba/uirecorder](//github.com/alibaba/uirecorder)
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- ⭐⭐⭐[facebook/create-react-app](//github.com/facebook/create-react-app/blob/main/packages/react-dev-utils/package.json)
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- ⭐⭐⭐[facebook/flipper](//github.com/facebook/flipper)
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- ⭐⭐⭐[umijs/umi](//github.com/umijs/umi)
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- ⭐⭐⭐[gatsbyjs/gatsby](//github.com/gatsbyjs/gatsby)
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- ⭐⭐⭐[electron-react-boilerplate/electron-react-boilerplate](//github.com/electron-react-boilerplate/electron-react-boilerplate)
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- ⭐⭐⭐[zeit/micro](//github.com/zeit/micro)
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- ⭐⭐⭐[rails/webpacker](//github.com/rails/webpacker)
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- ⭐⭐⭐[storybookjs/storybook](//github.com/storybookjs/storybook)
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[For more](//github.com/node-modules/detect-port/network/dependents)
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## Usage
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```bash
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$ npm i detect-port --save
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```
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```javascript
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const detect = require('detect-port');
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/**
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* use as a promise
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*/
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detect(port)
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.then(_port => {
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if (port == _port) {
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console.log(`port: ${port} was not occupied`);
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} else {
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console.log(`port: ${port} was occupied, try port: ${_port}`);
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}
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})
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.catch(err => {
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console.log(err);
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});
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```
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## Command Line Tool
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```bash
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$ npm i detect-port -g
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```
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### Quick Start
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```bash
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# get an available port randomly
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$ detect
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# detect pointed port
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$ detect 80
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# output verbose log
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$ detect --verbose
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# more help
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$ detect --help
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```
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## FAQ
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Most likely network error, check that your `/etc/hosts` and make sure the content below:
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```
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127.0.0.1 localhost
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255.255.255.255 broadcasthost
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::1 localhost
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```
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<!-- GITCONTRIBUTOR_START -->
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## Contributors
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|[<img src="https://avatars.githubusercontent.com/u/1011681?v=4" width="100px;"/><br/><sub><b>xudafeng</b></sub>](https://github.com/xudafeng)<br/>|[<img src="https://avatars.githubusercontent.com/u/156269?v=4" width="100px;"/><br/><sub><b>fengmk2</b></sub>](https://github.com/fengmk2)<br/>|[<img src="https://avatars.githubusercontent.com/u/1044425?v=4" width="100px;"/><br/><sub><b>ziczhu</b></sub>](https://github.com/ziczhu)<br/>|[<img src="https://avatars.githubusercontent.com/u/810438?v=4" width="100px;"/><br/><sub><b>gaearon</b></sub>](https://github.com/gaearon)<br/>|[<img src="https://avatars.githubusercontent.com/u/34906299?v=4" width="100px;"/><br/><sub><b>chnliquan</b></sub>](https://github.com/chnliquan)<br/>|[<img src="https://avatars.githubusercontent.com/u/360661?v=4" width="100px;"/><br/><sub><b>popomore</b></sub>](https://github.com/popomore)<br/>|
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| :---: | :---: | :---: | :---: | :---: | :---: |
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[<img src="https://avatars.githubusercontent.com/u/52845048?v=4" width="100px;"/><br/><sub><b>snapre</b></sub>](https://github.com/snapre)<br/>|[<img src="https://avatars.githubusercontent.com/u/56271907?v=4" width="100px;"/><br/><sub><b>yavuzakyuz</b></sub>](https://github.com/yavuzakyuz)<br/>|[<img src="https://avatars.githubusercontent.com/u/197375?v=4" width="100px;"/><br/><sub><b>antife-yinyue</b></sub>](https://github.com/antife-yinyue)<br/>
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This project follows the git-contributor [spec](https://github.com/xudafeng/git-contributor), auto updated at `Wed Sep 21 2022 23:10:27 GMT+0800`.
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<!-- GITCONTRIBUTOR_END -->
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## License
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[MIT](LICENSE)
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