authelia/web/src/hooks/RedirectionURL.ts

import queryString from "query-string";
import { useLocation } from "react-router";

export function useRedirectionURL() {
    const location = useLocation();
    const queryParams = queryString.parse(location.search);
    return (queryParams && "rd" in queryParams)
        ? queryParams["rd"] as string
        : undefined;
}