react spring reveal animation examples

Example 1: react spring

yarn add react-spring

Example 2: react spring transition animations

const [items, set] = useState([...])
const transitions = useTransition(items, item => item.key, {
from: { transform: 'translate3d(0,-40px,0)' },
enter: { transform: 'translate3d(0,0px,0)' },
leave: { transform: 'translate3d(0,-40px,0)' },
})
return transitions.map(({ item, props, key }) =>
<animated.div key={key} style={props}>{item.text}</animated.div>
)