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# Array Flatten
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[![NPM version][npm-image]][npm-url]
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[![NPM downloads][downloads-image]][downloads-url]
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[![Build status][travis-image]][travis-url]
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[![Test coverage][coveralls-image]][coveralls-url]
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> Flatten an array of nested arrays into a single flat array. Accepts an optional depth.
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## Installation
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```
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npm install array-flatten --save
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```
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## Usage
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```javascript
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var flatten = require('array-flatten')
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flatten([1, [2, [3, [4, [5], 6], 7], 8], 9])
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//=> [1, 2, 3, 4, 5, 6, 7, 8, 9]
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flatten([1, [2, [3, [4, [5], 6], 7], 8], 9], 2)
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//=> [1, 2, 3, [4, [5], 6], 7, 8, 9]
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(function () {
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flatten(arguments) //=> [1, 2, 3]
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})(1, [2, 3])
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```
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## License
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MIT
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[npm-image]: https://img.shields.io/npm/v/array-flatten.svg?style=flat
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[npm-url]: https://npmjs.org/package/array-flatten
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[downloads-image]: https://img.shields.io/npm/dm/array-flatten.svg?style=flat
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[downloads-url]: https://npmjs.org/package/array-flatten
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[travis-image]: https://img.shields.io/travis/blakeembrey/array-flatten.svg?style=flat
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[travis-url]: https://travis-ci.org/blakeembrey/array-flatten
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[coveralls-image]: https://img.shields.io/coveralls/blakeembrey/array-flatten.svg?style=flat
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[coveralls-url]: https://coveralls.io/r/blakeembrey/array-flatten?branch=master
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