Created
April 9, 2023 12:19
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React Custom Hook: useEventListener
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import { useEffect, useRef } from "react" | |
export default function useEventListener( | |
eventType, | |
callback, | |
element = window | |
) { | |
const callbackRef = useRef(callback) | |
useEffect(() => { | |
callbackRef.current = callback | |
}, [callback]) | |
useEffect(() => { | |
if (element == null) return | |
const handler = e => callbackRef.current(e) | |
element.addEventListener(eventType, handler) | |
return () => element.removeEventListener(eventType, handler) | |
}, [eventType, element]) | |
} |
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