type Github = {

  token: string;

};

/**

 * Follow a user

 * Note that you'll need to set `Content-Length` to zero when calling out to this endpoint. For more information, see "[HTTP verbs](https://docs.github.com/rest/overview/resources-in-the-rest-api#http-verbs)."

Following a user requires the user to be logged in and authenticated with basic auth or OAuth with the `user:follow` scope.

 */

export async function main(auth: Github, username: string) {

  const url = new URL(`https://api.github.com/user/following/${username}`);

  const response = await fetch(url, {

    method: "PUT",

    headers: {

      Authorization: "Bearer " + auth.token,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

    throw new Error(`${response.status} ${text}`);

  }

  return await response.text();

}