Retrieve Subscriber

//native

type Buttondown = {

  token: string;

};

/**

 * Retrieve Subscriber

 *

 */

export async function main(

  auth: Buttondown,

  id_or_email: string,

  expand: string | undefined,

) {

  const url = new URL(

    `https://api.buttondown.com/v1/subscribers/${id_or_email}`,

  );

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

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

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "GET",

    headers: {

      Authorization: "Token " + auth.token,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}