Animating Content With React Spring
December 24, 2021
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
class TransitionArray extends PureComponent {
constructor() {
super()
this.state = {
items: NUM_TRANS
}
}
componentDidUpdate(_, prevState) {
const { items: currItems } = this.state
const { items: prevItems } = prevState
if (currItems.length === 0 && prevItems.length !== currItems.length) {
setTimeout(() => {
this.setState({
items: NUM_TRANS
})
}, 2000)
}
}
render() {
return (
<div style={{ display: "flex" }}>
<Transition
items={this.state.items}
from={{ opacity: 0 }}
enter={{ opacity: 1 }}
leave={{ opacity: 0 }}
delay={200}
config={config.molasses}
onRest={() => this.setState({ items: [] })}>
{({ opacity }, item) => (
<animated.div
style={{
opacity: opacity.to(item.op),
transform: opacity
.to(item.trans)
.to((y) => `translate3d(0,${y}px,0)`)
}}>
{item.fig}
</animated.div>
)}
</Transition>
</div>
)
}
}