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emoji-aware

★ 48 Open GitHub ↗

🆒 emoji-aware unicode string utilities for JavaScript

// repository documentation

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## emoji-aware

*Note:* Lodash's `toArray` (as of 4.0.0) and `split` (as of 4.9.0) functions
now correctly split strings that contain emoji; so if that's all you need to do
then [Lodash](https://lodash.com/) is a great fit.

Emoji-aware unicode string utilities for JavaScript.

You'll need these if you ever want to split strings that contain emoji.

If you use naive methods for this (or packages that purport to split unicode
strings correctly) you'll have trouble because emoji can span multiple
characters/surrogate pairs.

The longest emoji I'm aware of is specified by 4 "regular" emoji (one, a heart,
with its own variation selector) with zero-width joiners in between them.
That's 8 unicode characters as split by most libraries. This library will
correctly split that emoji into one entry in the returned array of characters.

(But the unicode portion probably needs
[some more work](https://mathiasbynens.be/notes/javascript-unicode)).

`emoji-aware` also includes a parser combinator-based parser for emoji that you
can build on top of for your own parsing needs.

## API

### `split`

Split a string but keep emoji intact.

#### Example

```js
var split = require('emoji-aware').split;

var result = split('cats 😸 are the best');

result[5] === '😸';
// true
```

A starker example that uses Mathias Bynens' `getSymbols` with a
[composed emoji](http://i.imgur.com/NUKsA1Y.png):

![a screenshot of the output](http://i.imgur.com/Gdgsik5.png)

### `onlyEmoji`

Returns only the emoji contained in the string.

#### Example

```js
var onlyEmoji = require('emoji-aware').onlyEmoji;

onlyEmoji('testing😸');
// ['😸']
```

### `withoutEmoji`

Returns only the non-emoji contained in the string.

#### Example

```js
var withoutEmoji = require('emoji-aware').withoutEmoji;

withoutEmoji('testing😸');
// ['t', 'e', 's', 't', 'i', 'n', 'g']
```

emoji-aware

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