function fetchUser(username) {
  return fetch(`/api/users/${username}`)
    .then((resp) => resp.json())
    .then((userJSON) => {
      if (userJSON.team !== undefined) {
        return fetch(`/api/teams/${userJSON.team}`)
          .then((resp) => resp.json())
          .then((teamJSON) => {
            return {
              user: userJSON,
              team: teamJSON,
            };
          });
      }

      return {
        user: userJSON,
        team: null,
      };
    })
    .catch((err) => {
      console.error('Something went wrong', err);
    });
}