public function MetatagDefaultsListBuilder::render in Metatag 8

Builds the entity listing as renderable array for table.html.twig.

@todo Add a link to add a new item to the #empty text.

Overrides EntityListBuilder::render

File

src/MetatagDefaultsListBuilder.php, line 149

Class

MetatagDefaultsListBuilder

Provides a listing of Metatag defaults entities.

Namespace

Drupal\metatag

Code

public function render() {
  if (\Drupal::state()
    ->get('system.maintenance_mode')) {
    \Drupal::messenger()
      ->addMessage($this
      ->t('Please note that while the site is in maintenance mode none of the usual meta tags will be output.'));
  }
  return parent::render();
}