view core/modules/ckeditor/js/ckeditor.language.admin.es6.js @ 9:1fc0ff908d1f

Add another data file

(function ($, Drupal) {
  /**
   * Provides the summary for the "language" plugin settings vertical tab.
   */
  Drupal.behaviors.ckeditorLanguageSettingsSummary = {
    attach() {
      $('#edit-editor-settings-plugins-language').drupalSetSummary(context => $('#edit-editor-settings-plugins-language-language-list-type option:selected').text());
    },
  };
}(jQuery, Drupal));