Get snippet changes between versions

type Bitbucket = {

  username: string;

  password: string;

};

/**

 * Get snippet changes between versions

 * Returns the diff of the specified commit against its first parent.

 */

export async function main(

  auth: Bitbucket,

  encoded_id: string,

  revision: string,

  workspace: string,

  path: string | undefined

) {

  const url = new URL(

    `https://api.bitbucket.org/2.0/snippets/${workspace}/${encoded_id}/${revision}/diff`

  );

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

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

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "GET",

    headers: {

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

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.text();

}