enable
=======

[![NPM version][npm-image]][npm-url]
[![build status][travis-image]][travis-url]
[![Test coverage][coveralls-image]][coveralls-url]
[![Gittip][gittip-image]][gittip-url]
[![David deps][david-image]][david-url]
[![node version][node-image]][node-url]
[![npm download][download-image]][download-url]

[npm-image]: https://img.shields.io/npm/v/enable.svg?style=flat-square
[npm-url]: https://npmjs.org/package/enable
[travis-image]: https://img.shields.io/travis/node-modules/enable.svg?style=flat-square
[travis-url]: https://travis-ci.org/node-modules/enable
[coveralls-image]: https://img.shields.io/coveralls/node-modules/enable.svg?style=flat-square
[coveralls-url]: https://coveralls.io/r/node-modules/enable?branch=master
[gittip-image]: https://img.shields.io/gittip/fengmk2.svg?style=flat-square
[gittip-url]: https://www.gittip.com/fengmk2/
[david-image]: https://img.shields.io/david/node-modules/enable.svg?style=flat-square
[david-url]: https://david-dm.org/node-modules/enable
[node-image]: https://img.shields.io/badge/node.js-%3E=_0.10-green.svg?style=flat-square
[node-url]: http://nodejs.org/download/
[download-image]: https://img.shields.io/npm/dm/enable.svg?style=flat-square
[download-url]: https://npmjs.org/package/enable

Detect [es6](http://kangax.github.io/compat-table/es6) and [es7](http://kangax.github.io/compat-table/es7)
features enable or not.

## Install

```bash
$ npm install enable --save
```

## Usage

```js
var enable = require('enable');

if (enable.<feature>) {
  console.log(<feature> is supported);
}

/* Example:
if (enable.generator) {
  console.log('supports generator: `function* a() {}`');
}
*/
```

## List of features:

__Object related:__

* Object.is
* Object.assign
* Object.getOwnPropertySymbols
* Object.setPrototypeOf

__String realted:__

* String.raw
* String.fromCodePoint
* String.prototype.codePointAt
* String.prototype.normalize
* String.prototype.repeat
* String.prototype.startsWith
* String.prototype.endsWith
* String.prototype.contains

__Number realted:__

* Number.isFinite
* Number.isInteger
* Number.isSafeInteger
* Number.isNaN
* Number.EPSILON
* Number.MIN_SAFE_INTEGER

__Math realted:__

* Math.clz32
* Math.imul
* Math.sign
* Math.log10
* Math.log2
* Math.log1p
* Math.expm1
* Math.cosh
* Math.sinh
* Math.tanh
* Math.acosh
* Math.asinh
* Math.atanh
* Math.hypot
* Math.trunc
* Math.fround
* Math.cbrt

__Others:__

* generator
* let
* const

## Test

```bash
$ npm install
$ npm test
```

### Coverage

```bash
$ npm test-cov
```