NatLibFi/es6-polyfills

# ES6 polyfills [![NPM Version](https://img.shields.io/npm/v/@natlibfi/es6-polyfills.svg)](https://npmjs.org/package/es6-polyfills) [![Build Status](https://travis-ci.org/NatLibFi/es6-polyfills.svg)](https://travis-ci.org/NatLibFi/es6-polyfills) [![Test Coverage](https://codeclimate.com/github/NatLibFi/es6-polyfills/badges/coverage.svg)](https://codeclimate.com/github/NatLibFi/es6-polyfills/coverage)

A collection of [ES6](https://en.wikipedia.org/wiki/ECMAScript#ES6) polyfills that use native implementations if available and do not pollute the global namespace

## List of polyfills

- **Object** ([Object.assign](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign))
- **Array** ([Array.of](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/of))
- **[Promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise)**

Polyfill implementations are from different projects:

- **Object** (*Object.assign*): https://github.com/rubennorte/es6-object-assign
- **Promise**: https://github.com/lahmatiy/es6-promise-polyfill

## Installation

Clone the sources and install the package (In the source directory) on command line using `npm`:

```sh
npm install
```

## Testing

Run the following NPM script to lint, test and check coverage of the code:

```javascript

npm run check

```

## Usage

### AMD

```javascript

define(['es6-polyfills/lib/polyfills/promise'], function(Promise) {

 var p = new Promise(function(resolve, reject){
  resolve(); 
 });

});


```

### Node.js

```javascript

var Promise = require('es6-polyfills/lib/polyfills/promise');
var p = new Promise(function(resolve, reject){
  resolve();
});

```

## License and copyright

Copyright (c) 2015-2017 **University Of Helsinki (The National Library Of Finland)**

This project's source code is licensed under the terms of **GNU Lesser General Public License Version 3** or any later version. See each polyfill implementation for their respective licensing terms.