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outline/app/components/DelayedMount.js
Tom Moor ec38f5d79c
refactor: Remove old react lifecycle methods (#1480)
* refactor: Remove deprecated APIs

* bump mobx-react for hooks support

* inject -> useStores
https://mobx-react.js.org/recipes-migration\#hooks-to-the-rescue

* chore: React rules of hooks lint
2020-08-23 11:51:56 -07:00

25 lines
457 B
JavaScript

// @flow
import * as React from "react";
type Props = {
delay?: number,
children: React.Node,
};
export default function DelayedMount({ delay = 250, children }: Props) {
const [isShowing, setShowing] = React.useState(false);
React.useEffect(() => {
const timeout = setTimeout(() => setShowing(true), delay);
return () => {
clearTimeout(timeout);
};
}, [delay]);
if (!isShowing) {
return null;
}
return children;
}