Created
November 22, 2020 17:32
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Document visibility hook (React)
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import { useEffect } from "react" | |
export default function useVisibilityChange(handleVisibilityChange) { | |
useEffect(() => { | |
let hidden | |
let 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" | |
} | |
function handle() { | |
handleVisibilityChange(document[hidden]) | |
} | |
document.addEventListener(visibilityChange, handle, false) | |
return () => { | |
document.removeEventListener(visibilityChange, handle, false) | |
} | |
}, []) | |
} |
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