import { useEffect } from 'react'; var useFavicon = function (href) { useEffect(function () { var link = document.querySelector("link[rel*='icon']") || document.createElement('link'); link.type = 'image/x-icon'; link.rel = 'shortcut icon'; link.href = href; document.getElementsByTagName('head')[0].appendChild(link); }, [href]); }; export default useFavicon;