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19 lines
511 B
JavaScript
19 lines
511 B
JavaScript
import { useEffect, useRef } from 'react'
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// https://overreacted.io/making-setinterval-declarative-with-react-hooks/
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const useInterval = (callback, delay) => {
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const savedCallback = useRef()
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useEffect(() => {
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savedCallback.current = callback
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}, [callback])
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useEffect(() => {
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const handler = (...args) => savedCallback.current(...args)
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if (delay !== null) {
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const id = setInterval(handler, delay)
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return () => clearInterval(id)
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}
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}, [delay])
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}
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export default useInterval
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