Upload attachments to a doc

//native

type Grist = {

  apiKey: string;

  host: string;

};

/**

 * Upload attachments to a doc

 *

 */

export async function main(

  auth: Grist,

  docId: string,

  body: { upload?: string[] },

) {

  const url = new URL(`https://${auth.host}/api/docs/${docId}/attachments`);

  const formData = new FormData();

  for (const [k, v] of Object.entries(body)) {

    if (v !== undefined) {

      formData.append(k, String(v));

    }

  }

  const response = await fetch(url, {

    method: "POST",

    headers: {

      Authorization: "Bearer " + auth.apiKey,

    },

    body: formData,

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}