ckeditor_library_info_alter

ckeditor_library_info_alter(&$libraries, $extension)

function ckeditor_library_info_alter(&$libraries, $extension) {
  // Pass Drupal's JS cache-busting string via settings along to CKEditor.
  // @see http://docs.ckeditor.com/#!/api/CKEDITOR-property-timestamp
  if ($extension === 'ckeditor' && isset($libraries['drupal.ckeditor'])) {
    $query_string = \Drupal::state()->get('system.css_js_query_string') ? : '0';
    $libraries['drupal.ckeditor']['drupalSettings']['ckeditor']['timestamp'] = $query_string;
  }
}