Chris@0: /**
Chris@0:  * Implements hook_rebuild().
Chris@0:  */
Chris@0: function {{ machine_name }}_rebuild() {
Chris@0:   $themes = \Drupal::service('theme_handler')->listInfo();
Chris@0:   foreach ($themes as $theme) {
Chris@0:     _block_rehash($theme->getName());
Chris@0:   }
Chris@0: }