105 lines
3.1 KiB
Markdown
105 lines
3.1 KiB
Markdown
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# condense-newlines [](https://www.npmjs.com/package/condense-newlines) [](https://npmjs.org/package/condense-newlines) [](https://travis-ci.org/jonschlinkert/condense-newlines)
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Replace extraneous newlines with a single newline, or pass a specified number of newlines to use.
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## Install
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Install with [npm](https://www.npmjs.com/):
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```sh
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$ npm install condense-newlines --save
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```
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## Usage
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```js
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var condense = require('condense-newlines');
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console.log(condense('\n\na\n\n\nb\nc\r\n\r\nd\n\n\n'));
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//=> '\na\nb\nc\nd\n';
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```
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## Options
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### options.sep
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Specify the separator to use
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```js
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console.log(condense('\n\na\n\n\nb\nc\r\n\r\nd\n\n\n', {sep: '\n\n'}));
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//=> '\n\na\n\nb\n\nc\n\nd\n\n';
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```
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### options.min
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The minimum number of consecutive newlines to condense.
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**Default**
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: `2`
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```js
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console.log(condense('\n\na\n\n\nb\nc\r\n\r\nd\n\n\n', {min: 2}));
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//=> '\n\na\n\nb\n\nc\n\nd\n\n';
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```
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### options.keepWhitespace
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Don't treat whitespace-only lines as newlines.
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```js
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console.log(condense('\n\na\n\n \nb\nc\r\n\r\nd\n\n\n', {
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keepWhitespace: true, sep: '\n\n'
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}));
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//=> '\n\na\n\n \nb\n\nc\n\nd\n\n';
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```
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## Related projects
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You might also be interested in these projects:
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* [arr-union](https://www.npmjs.com/package/arr-union): Combines a list of arrays, returning a single array with unique values, using strict equality… [more](https://www.npmjs.com/package/arr-union) | [homepage](https://github.com/jonschlinkert/arr-union)
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* [array-unique](https://www.npmjs.com/package/array-unique): Return an array free of duplicate values. Fastest ES5 implementation. | [homepage](https://github.com/jonschlinkert/array-unique)
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* [arrayify-compact](https://www.npmjs.com/package/arrayify-compact): Casts the given value to a flatten array, and removes falsey items (similar to lodash… [more](https://www.npmjs.com/package/arrayify-compact) | [homepage](https://github.com/jonschlinkert/arrayify-compact)
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## Contributing
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Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/condense-newlines/issues/new).
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## Building docs
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Generate readme and API documentation with [verb](https://github.com/verbose/verb):
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```sh
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$ npm install verb && npm run docs
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```
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Or, if [verb](https://github.com/verbose/verb) is installed globally:
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```sh
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$ verb
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```
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## Running tests
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Install dev dependencies:
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```sh
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$ npm install -d && npm test
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```
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## Author
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**Jon Schlinkert**
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* [github/jonschlinkert](https://github.com/jonschlinkert)
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* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
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## License
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Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
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Released under the [MIT license](https://github.com/jonschlinkert/condense-newlines/blob/master/LICENSE).
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***
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_This file was generated by [verb](https://github.com/verbose/verb), v0.9.0, on April 23, 2016._
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