/*
 * Copyright (C) 2021  Aravinth Manivannan <realaravinth@batsense.net>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

const additionalData = (): HTMLElement => {
  let element = null;
  const ID = "additional-data";

  if (element === null) {
    element = <HTMLElement>document.getElementById(ID);
    if (element === undefined) {
      throw new Error(
        "Couldn't retrieve additional data element, is the component loaded?",
      );
    } else {
      return element;
    }
  } else {
    return element;
  }
};

export default additionalData;