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76 lines
1.6 KiB
76 lines
1.6 KiB
4 years ago
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# cli-truncate [](https://travis-ci.org/sindresorhus/cli-truncate)
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> Truncate a string to a specific width in the terminal
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Gracefully handles [ANSI escapes](https://en.wikipedia.org/wiki/ANSI_escape_code#Colors_and_Styles). Like a string styled with [`chalk`](https://github.com/chalk/chalk).
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## Install
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```
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$ npm install --save cli-truncate
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```
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## Usage
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```js
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const cliTruncate = require('cli-truncate');
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cliTruncate('unicorn', 4);
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//=> 'uni…'
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// truncate at different positions
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cliTruncate('unicorn', 4, {position: 'start'});
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//=> '…orn'
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cliTruncate('unicorn', 4, {position: 'middle'});
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//=> 'un…n'
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cliTruncate('\u001b[31municorn\u001b[39m', 4);
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//=> '\u001b[31muni\u001b[39m…'
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// truncate the paragraph to the terminal width
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const paragraph = 'Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa.';
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cliTruncate(paragraph, process.stdout.columns));
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//=> 'Lorem ipsum dolor sit amet, consectetuer adipiscing…'
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```
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## API
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### cliTruncate(input, columns, [options])
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#### input
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Type: `string`
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Text to truncate.
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#### columns
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Type: `number`
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Columns to occupy in the terminal.
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#### options
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##### position
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Type: `string`<br>
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Default: `'end'`<br>
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Values: `'start'`, `'middle'`, `'end'`
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Position to truncate the string.
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## Related
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- [wrap-ansi](https://github.com/chalk/wrap-ansi) - Wordwrap a string with ANSI escape codes
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- [slice-ansi](https://github.com/chalk/slice-ansi) - Slice a string with ANSI escape codes
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## License
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MIT © [Sindre Sorhus](https://sindresorhus.com)
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