npm install --save react-pseudo
import React from 'react'
import { render } from 'react-dom'
import pseudo from 'react-pseudo'
const styles = {
app: {
padding: '1em'
}
}
const App = () => (
<div
style={styles.app}
ref={node => {
pseudo('hover', node, {
background: 'blue'
})
}}
>
React Pseudo
</div>
)
render(
<App/>,
document.getElementById('root')
)