Created
February 22, 2021 09:52
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Hook to determine if current page window/tab is visible.
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import { useEffect, useState } from 'react'; | |
let hidden, visibilityChange; | |
if (typeof document.hidden !== 'undefined') { | |
hidden = 'hidden'; | |
visibilityChange = 'visibilitychange'; | |
} else if (typeof document.msHidden !== 'undefined') { | |
hidden = 'msHidden'; | |
visibilityChange = 'msvisibilitychange'; | |
} else if (typeof document.webkitHidden !== 'undefined') { | |
hidden = 'webkitHidden'; | |
visibilityChange = 'webkitvisibilitychange'; | |
} | |
export default function useIsPageVisible() { | |
const [isVisible, setIsVisible] = useState(!document['hidden']); | |
useEffect(() => { | |
const handleVisibilityChange = () => { | |
setIsVisible(!document[hidden]); | |
}; | |
document.addEventListener(visibilityChange, handleVisibilityChange); | |
return () => { | |
document.removeEventListener(visibilityChange, handleVisibilityChange); | |
}; | |
}, []); | |
return isVisible; | |
} |
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