Can not get the Types in route fn

users.get("/author", authGuard, zValidator("query", schema), (c) => {
    const data = c.req.valid("query");  <--- Types Available
});

const fn = async (c) => {
    const data = c.req.valid("query"); <--- Types Unavailable
}; 
users.get("/author", authGuard, zValidator("query", schema), fn;