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   1  (function () {
   2    'use strict';
   3  
   4    /**
   5     * @copyright  (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
   6     * @license    GNU General Public License version 2 or later; see LICENSE.txt
   7     */
   8    (function () {
   9      var onChange = function onChange(value) {
  10        if (value === '-' || parseInt(value, 10) === 0) {
  11          document.getElementById('menuselect-group').classList.add('hidden');
  12        } else {
  13          document.getElementById('menuselect-group').classList.remove('hidden');
  14        }
  15      };
  16  
  17      var onBoot = function onBoot() {
  18        var element = document.getElementById('jform_assignment');
  19  
  20        if (element) {
  21          // Initialise the state
  22          onChange(element.value); // Check for changes in the state
  23  
  24          element.addEventListener('change', function (_ref) {
  25            var target = _ref.target;
  26            onChange(target.value);
  27          });
  28        }
  29  
  30        document.removeEventListener('DOMContentLoaded', onBoot);
  31      };
  32  
  33      document.addEventListener('DOMContentLoaded', onBoot);
  34    })();
  35  
  36  })();