mirror of https://github.com/mastodon/mastodon.git
45 lines
1018 B
TypeScript
45 lines
1018 B
TypeScript
import { useRef, useCallback, useEffect } from 'react';
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export const useTimeout = () => {
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const timeoutRef = useRef<ReturnType<typeof setTimeout>>();
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const callbackRef = useRef<() => void>();
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const set = useCallback((callback: () => void, delay: number) => {
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if (timeoutRef.current) {
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clearTimeout(timeoutRef.current);
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}
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callbackRef.current = callback;
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timeoutRef.current = setTimeout(callback, delay);
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}, []);
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const delay = useCallback((delay: number) => {
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if (timeoutRef.current) {
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clearTimeout(timeoutRef.current);
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}
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if (!callbackRef.current) {
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return;
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}
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timeoutRef.current = setTimeout(callbackRef.current, delay);
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}, []);
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const cancel = useCallback(() => {
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if (timeoutRef.current) {
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clearTimeout(timeoutRef.current);
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timeoutRef.current = undefined;
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callbackRef.current = undefined;
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}
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}, []);
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useEffect(
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() => () => {
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cancel();
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},
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[cancel],
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);
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return [set, cancel, delay] as const;
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};
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