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65 lines
952 B
Markdown
65 lines
952 B
Markdown
# get-port [](https://travis-ci.org/sindresorhus/get-port)
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> Get an available port
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## Install
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```
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$ npm install get-port
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```
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## Usage
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```js
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const getPort = require('get-port');
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getPort().then(port => {
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console.log(port);
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//=> 51402
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});
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```
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Optionally, pass in a preferred port:
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```js
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getPort({port: 3000}).then(port => {
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console.log(port);
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// Will use 3000 if available, otherwise fall back to a random port
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});
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```
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## API
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### getPort([options])
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Returns a `Promise` for a port number.
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#### options
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Type: `Object`
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##### port
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Type: `number`
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The preferred port to use.
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##### host
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Type: `string`
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The host on which port resolution should be performed. Can be either an IPv4 or IPv6 address.
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## Related
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- [get-port-cli](https://github.com/sindresorhus/get-port-cli) - CLI for this module
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## License
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MIT © [Sindre Sorhus](https://sindresorhus.com)
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