npm install --save react-emojione

import {emojify} from 'react-emojione';

ReactDOM.render(
    <div>
        {emojify('Easy! :wink: 😸 :D  ^__^')}
    </div>,
    document.body
);

import {emojify} from 'react-emojione';

const options = {
    convertShortnames: true,
    convertUnicode: true,
    convertAscii: true,
    styles: {
        backgroundImage: 'url(emojione.sprites.png)',
        width: '32px',
        height: '32px',
        margin: '4px'
    },
    // this click handler will be set on every emoji
    handleClick: event => alert(event.target.title)
};

ReactDOM.render(
    <div>
        {emojify('Easy! :wink: 😸 :D ^__^', options)}
    </div>,
    document.body
);

import {emojify} from 'react-emojione';

emojify('Easy! :wink: :D ^__^', {output: 'unicode'});
// Easy! 😉 😃 😄