Get env var

//native

type Netlify = {

  token: string;

};

/**

 * Get env var

 * Returns an individual environment variable.

 */

export async function main(

  auth: Netlify,

  account_id: string,

  key: string,

  site_id: string | undefined,

) {

  const url = new URL(

    `https://api.netlify.com/api/v1/accounts/${account_id}/env/${key}`,

  );

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

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

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "GET",

    headers: {

      Authorization: "Bearer " + auth.token,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}