useInterval.ts23 lines · main

1	import { useEffect, useRef } from 'react'
2
3	export function useInterval(callback: () => void, delay: number | false) {
4	const savedCallback = useRef(callback)
5
6	useEffect(() => {
7	savedCallback.current = callback
8	}, [callback])
9
10	useEffect(() => {
11	if (delay === false) {
12	return
13	}
14
15	const id = setInterval(() => {
16	savedCallback.current()
17	}, delay)
18
19	return () => {
20	clearInterval(id)
21	}
22	}, [delay])
23	}