mercury_editor-2.0.x-dev/source/js/select-component.ajax.js

((Drupal) => {
  /**
   * Ajax command for removing a class from matching element(s).
   * @param {Drupal.Ajax} [ajax] An Ajax object.
   * @param {object} response The response object.
   */
  Drupal.AjaxCommands.prototype.mercuryEditorSelectComponent = (ajax, response) => {
    if (response.uuid === undefined) {
      return;
    }
    const previewFrame = document.querySelector('#me-preview')?.contentWindow || window;
    previewFrame.postMessage({
      type: 'componentSelected',
      settings: { uuid: response.uuid },
    });
  };
})(Drupal);