type Github = {

  token: string;

};

/**

 * Set labels for an issue

 * Removes any previous labels and sets the new labels for an issue.

 */

export async function main(

  auth: Github,

  owner: string,

  repo: string,

  issue_number: string,

  body:

    | { labels?: string[]; [k: string]: unknown }

    | string[]

    | {

        labels?: { name: string; [k: string]: unknown }[];

        [k: string]: unknown;

      }

    | { name: string; [k: string]: unknown }[]

    | string

) {

  const url = new URL(

    `https://api.github.com/repos/${owner}/${repo}/issues/${issue_number}/labels`

  );

  const response = await fetch(url, {

    method: "PUT",

    headers: {

      "Content-Type": "application/json",

      Authorization: "Bearer " + auth.token,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}