/** @jsx jsx */ import { jsx, css } from '@emotion/core'; import ReactDOM from 'react-dom'; import styled from '@emotion/styled'; import { useState } from 'react'; import StyledTransition from './StyledTransition'; const TransitionBox = styled(StyledTransition)` display: block; width: 150px; height: 150px; border-radius: 3px; margin: 2px; background: ${props => props.background}; `; const Example = () => { const [active, setIn] = useState(false); return (
setIn(active => !active)} >
Hello
setIn(active => !active)} >
Hello
); } ReactDOM.render(, document.getElementById('root'));