text: const _path = _interopRequireDefault(require('path'));
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  module.exports = (Ferdi) => {
    let updates = 0;
    const modal = document.createElement('div');
  
    const waitFor = (condition, callback) => {
      if (!condition()) {
        window.setTimeout(waitFor.bind(null, condition, callback), 100);
      } else {
        callback();
      }
    };
    function showModal(text) {
      show(modal);
      modal.querySelector('p').innerHTML = text;
      updates += 1;
    }
  
    function hideModal() {
      hide(modal);
      modal.querySelector('p').innerHTML = '';
      updates -= 1;
    }
  
    // Replace window.alert to hide alerts in Ferdi
    const oldAlert = window.alert;
    window.alert = function () {
      // when Google Calendar displays an alert notify the user
      showModal.apply(oldAlert, arguments);
    };
  
    function show(element) {
      element.style.display = 'inherit';
    }
  
    function hide(element) {
      element.style.display = 'none';
    }
  
    modal.id = 'franz-modal';
    modal.innerHTML = '<div class="modal-content"><span class="close">&times;</span><p></p></div>';
    modal.querySelector('.close').addEventListener('click', hideModal);
    waitFor(() => document.body, () => document.body.appendChild(modal));
  
    document.addEventListener('keydown', (e) => { if (e.keyCode === 27) { hideModal(); } });
  
    Ferdi.injectCSS(_path.default.join(__dirname, 'css', 'modal.css'));
  };
  