mastodon/app/javascript/hooks/useTimeout.ts

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import { useRef, useCallback, useEffect } from 'react';
export const useTimeout = () => {
const timeoutRef = useRef<ReturnType<typeof setTimeout>>();
const set = useCallback((callback: () => void, delay: number) => {
if (timeoutRef.current) {
clearTimeout(timeoutRef.current);
}
timeoutRef.current = setTimeout(callback, delay);
}, []);
const cancel = useCallback(() => {
if (timeoutRef.current) {
clearTimeout(timeoutRef.current);
timeoutRef.current = undefined;
}
}, []);
useEffect(
() => () => {
cancel();
},
[cancel],
);
return [set, cancel] as const;
};