Merge a pull request

type Bitbucket = {

  username: string;

  password: string;

};

/**

 * Merge a pull request

 * Merges the pull request.

 */

export async function main(

  auth: Bitbucket,

  pull_request_id: string,

  repo_slug: string,

  workspace: string,

  async: string | undefined,

  body: {

    type: string;

    message?: string;

    close_source_branch?: boolean;

    merge_strategy?: "merge_commit" | "squash" | "fast_forward";

    [k: string]: unknown;

  }

) {

  const url = new URL(

    `https://api.bitbucket.org/2.0/repositories/${workspace}/${repo_slug}/pullrequests/${pull_request_id}/merge`

  );

  for (const [k, v] of [["async", async]]) {

    if (v !== undefined && v !== "") {

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "POST",

    headers: {

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

      Authorization: "Basic " + btoa(`${auth.username}:${auth.password}`),

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}