|
|
[](https://coveralls.io/r/studio-b12/array-from |
|
|
) [](https://travis-ci.org/studio-b12/array-from |
|
|
) [](https://david-dm.org/studio-b12/array-from |
|
|
) [](https://github.com/airbnb/javascript) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
array-from |
|
|
========== |
|
|
|
|
|
**A ponyfill for the ES 2015 [`Array.from()`][].** |
|
|
|
|
|
*** Ponyfill**: A polyfill that doesn't overwrite the native method. |
|
|
*** ES 2015**: The new name for ES6 that [nobody expected][]. |
|
|
|
|
|
Modeled after the final ES 2015 spec. Credits for the implementation go to the amazing folks of the MDN and the amazing guy [@barberboy](https://github.com/barberboy). |
|
|
|
|
|
|
|
|
|
|
|
[`Array.from()`]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/from "Array.from()" |
|
|
[nobody expected]: http://webreflection.blogspot.de/2015/01/javascript-and-living-ecmascript.html "JavaScript and the living ECMAScript Standard" |
|
|
|
|
|
|
|
|
|
|
|
Installation |
|
|
------------ |
|
|
|
|
|
```sh |
|
|
$ npm install array-from |
|
|
``` |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Usage |
|
|
----- |
|
|
|
|
|
Recommended: |
|
|
|
|
|
```js |
|
|
var arrayFrom = require('array-from'); |
|
|
// You’ll get the native `Array.from` if it’s available. |
|
|
|
|
|
function () {console.log( |
|
|
arrayFrom(arguments).map(require('1-liners/increment')) |
|
|
);}(1, 2, 3); |
|
|
//» [2, 3, 4] |
|
|
``` |
|
|
|
|
|
You can also use it as a classical polyfill. It’s [not recommended][], but sometimes practical: |
|
|
|
|
|
```js |
|
|
if (!Array.from) Array.from = require('array-from'); |
|
|
// This will affect all loaded modules. |
|
|
|
|
|
function () {console.log( |
|
|
Array.from(arguments).map(require('1-liners/increment')) |
|
|
);}(1, 2, 3); |
|
|
//» [2, 3, 4] |
|
|
``` |
|
|
|
|
|
[not recommended]: https://github.com/sindresorhus/object-assign/issues/10#issuecomment-65065859 "Optionally shim native method?" |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Support note |
|
|
------------ |
|
|
|
|
|
We support the _current_ and _active LTS_ release of Node.js. More info in [nodejs/LTS](https://github.com/nodejs/LTS#lts_schedule). |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
License |
|
|
------- |
|
|
|
|
|
[MIT][] © [Studio B12 GmbH][] |
|
|
|
|
|
[MIT]: ./License.md |
|
|
[Studio B12 GmbH]: https://github.com/studio-b12
|
|
|
|
