const REDIRECTION_QUERY = gql`
  query Redirection($matchUrl: String!) {
    redirections(
      where: { orderby: "position", matchUrl: $matchUrl, status: ENABLED }
      first: 10
    ) {
      nodes {
        url
        matchUrl
        regex
        status
        id
        databaseId
        position
        actionCode
        actionData
        actionType
      }
    }
  }
`;

export default async (req, res) => {
  const client = new ApolloClient({
    ssrMode: true,
    link: new HttpLink({
      uri: Config.gqlUrl,
      fetch: fetch,
      credentials: "include",
      headers: {
        cookie: req.header("Cookie"),
        origin: FRONTEND_URL,
      },
    }),
    cache: new InMemoryCache(),
  });


  // Start Redirection lookup.
  const {
    data: {
      redirections: { nodes: redirections },
    },
  } = await client.query({
    query: REDIRECTION_QUERY,
    variables: { matchUrl: req.baseUrl + req.path },
  });

  if (redirections?.length > 0) {
    let newUrl = "";
    let code = 301;

    redirections.reverse().forEach((r) => {
      if (
        "url" === r.actionType &&
        r.actionData.replace(/^[\s\uFEFF\xA0\/]+|[\s\uFEFF\xA0\/]+$/g, "") !==
          r.matchUrl.replace(/^[\s\uFEFF\xA0\/]+|[\s\uFEFF\xA0\/]+$/g, "")
      ) {
        newUrl = r.actionData;
        code = r.actionCode;
      }
    });

    if (newUrl) {
      return res.redirect(code, newUrl);
    }
  }
  // End Redirection lookup.

  .. the rest of your page code
}