Created
December 18, 2021 08:25
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import { useEffect, useRef } from 'react'; | |
export const useEventListener = (eventName, handler, element = window) => { | |
const savedHandler = useRef(); | |
useEffect(() => { | |
savedHandler.current = handler; | |
}, [handler]); | |
useEffect(() => { | |
const isSupported = element && element.addEventListener; | |
if (!isSupported) { | |
throw new Error('addEventListener is not supported by ' + element); | |
} | |
const eventListener = (event) => { | |
if (savedHandler.current) { | |
savedHandler.current(event); | |
} | |
}; | |
element.addEventListener(eventName, eventListener); | |
return () => { | |
element.removeEventListener(eventName, eventListener); | |
}; | |
}, [eventName, element]); | |
} |
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