43 lines
1.3 KiB
Markdown
43 lines
1.3 KiB
Markdown
# Lower Case First
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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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Lower case the first character of a string.
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Supports Unicode (non-ASCII characters) and non-string entities, such as objects with a `toString` property, numbers and booleans. Empty values (`null` and `undefined`) will result in an empty string.
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## Installation
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```
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npm install lower-case-first --save
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```
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## Usage
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```js
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var lowerCaseFirst = require('lower-case-first')
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lowerCaseFirst(null) //=> ""
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lowerCaseFirst('STRING') //=> "sTRING"
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```
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## Typings
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Includes a [TypeScript definition](lower-case-first.d.ts).
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## License
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MIT
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[npm-image]: https://img.shields.io/npm/v/lower-case-first.svg?style=flat
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[npm-url]: https://npmjs.org/package/lower-case-first
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[downloads-image]: https://img.shields.io/npm/dm/lower-case-first.svg?style=flat
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[downloads-url]: https://npmjs.org/package/lower-case-first
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[travis-image]: https://img.shields.io/travis/blakeembrey/lower-case-first.svg?style=flat
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[travis-url]: https://travis-ci.org/blakeembrey/lower-case-first
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[coveralls-image]: https://img.shields.io/coveralls/blakeembrey/lower-case-first.svg?style=flat
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[coveralls-url]: https://coveralls.io/r/blakeembrey/lower-case-first?branch=master
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