Get create issue metadata

type Jira = {

  username: string;

  password: string;

  domain: string;

};

/**

 * Get create issue metadata

 * Returns details of projects, issue types within projects, and, when requested, the create screen fields for each issue type for the user.

 */

export async function main(

  auth: Jira,

  projectIds: string | undefined,

  projectKeys: string | undefined,

  issuetypeIds: string | undefined,

  issuetypeNames: string | undefined,

  expand: string | undefined

) {

  const url = new URL(

    `https://${auth.domain}.atlassian.net/rest/api/2/issue/createmeta`

  );

  for (const [k, v] of [

    ["projectIds", projectIds],

    ["projectKeys", projectKeys],

    ["issuetypeIds", issuetypeIds],

    ["issuetypeNames", issuetypeNames],

    ["expand", expand],

  ]) {

    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();

}