25 lines
452 B
JavaScript
25 lines
452 B
JavaScript
// @flow
|
|
import * as React from "react";
|
|
|
|
type Props = {
|
|
delay?: number,
|
|
children: React.Node,
|
|
};
|
|
|
|
export default function DelayedMount({ delay = 150, children }: Props) {
|
|
const [isShowing, setShowing] = React.useState(false);
|
|
|
|
React.useEffect(() => {
|
|
const timeout = setTimeout(() => setShowing(true), delay);
|
|
return () => {
|
|
clearTimeout(timeout);
|
|
};
|
|
}, []);
|
|
|
|
if (!isShowing) {
|
|
return null;
|
|
}
|
|
|
|
return children;
|
|
}
|