Update or move apex domain

//native

type Vercel = {

  token: string;

};

/**

 * Update or move apex domain

 * Update or move apex domain.

 */

export async function main(

  auth: Vercel,

  domain: string,

  teamId: string | undefined,

  slug: string | undefined,

  body:

    | {

        op?: string;

        renew?: false | true;

        customNameservers?: string[];

        zone?: false | true;

      }

    | { op?: string; destination?: string },

) {

  const url = new URL(`https://api.vercel.com/v3/domains/${domain}`);

  for (const [k, v] of [

    ["teamId", teamId],

    ["slug", slug],

  ]) {

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

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "PATCH",

    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();

}