Download file

//native

type Box = {

  token: string;

};

/**

 * Download file

 * Returns the contents of a file in binary format.

 */

export async function main(

  auth: Box,

  file_id: string,

  version: string | undefined,

  access_token: string | undefined,

  range: string,

  boxapi: string,

) {

  const url = new URL(`https://api.box.com/2.0/files/${file_id}/content`);

  for (const [k, v] of [

    ["version", version],

    ["access_token", access_token],

  ]) {

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

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "GET",

    headers: {

      range: range,

      boxapi: boxapi,

      Authorization: "Bearer " + auth.token,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}