Load a preview of the file

/**

 * Load a preview of the file

 *

 */

export async function main(

  workspace: string,

  file_key: string | undefined,

  file_size_in_bytes: string | undefined,

  file_mime_type: string | undefined,

  csv_separator: string | undefined,

  csv_has_header: string | undefined,

  read_bytes_from: string | undefined,

  read_bytes_length: string | undefined

) {

  const url = new URL(

    `${BASE_URL}/api/w/${workspace}/job_helpers/load_file_preview`

  );

  for (const [k, v] of [

    ["file_key", file_key],

    ["file_size_in_bytes", file_size_in_bytes],

    ["file_mime_type", file_mime_type],

    ["csv_separator", csv_separator],

    ["csv_has_header", csv_has_header],

    ["read_bytes_from", read_bytes_from],

    ["read_bytes_length", read_bytes_length],

  ]) {

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

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "GET",

    headers: {

      Authorization: "Bearer " + WM_TOKEN,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}