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   1  /**
   2   * @copyright  (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
   3   * @license    GNU General Public License version 2 or later; see LICENSE.txt
   4   */
   5  document.addEventListener('DOMContentLoaded', () => {
   6    document.getElementById('jform_image').addEventListener('change', ({
   7      currentTarget
   8    }) => {
   9      const flagSelectedValue = currentTarget.value;
  10      const flagimage = document.getElementById('flag').querySelector('img');
  11      const src = `$Joomla.getOptions('system.paths').rootFull}/media/mod_languages/images/$flagSelectedValue}.gif`;
  12  
  13      if (flagSelectedValue) {
  14        flagimage.setAttribute('src', src);
  15        flagimage.setAttribute('alt', flagSelectedValue);
  16      } else {
  17        flagimage.removeAttribute('src');
  18        flagimage.setAttribute('alt', '');
  19      }
  20    }, false);
  21  });