Get avatar image by ID

type Jira = {

  username: string;

  password: string;

  domain: string;

};

/**

 * Get avatar image by ID

 * Returns a project or issue type avatar image by ID.

This operation can be accessed anonymously.

**[Permissions](#permissions) required:**

 *  For system avatars, none.

 *  For custom project avatars, *Browse projects* [project permission](https://confluence.atlassian.com/x/yodKLg) for the project the avatar belongs to.

 *  For custom issue type avatars, *Browse projects* [project permission](https://confluence.atlassian.com/x/yodKLg) for at least one project the issue type is used in.

 */

export async function main(

  auth: Jira,

  type: "issuetype" | "project",

  id: string,

  size: "xsmall" | "small" | "medium" | "large" | "xlarge" | undefined,

  format: "png" | "svg" | undefined

) {

  const url = new URL(

    `https://${auth.domain}.atlassian.net/rest/api/2/universal_avatar/view/type/${type}/avatar/${id}`

  );

  for (const [k, v] of [

    ["size", size],

    ["format", format],

  ]) {

    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.json();

}