function common_test_page_attachments
Implements hook_page_attachments().
See also
\Drupal\system\Tests\Common\PageRenderTest::assertPageRenderHookExceptions()
File
- 
              core/modules/ system/ tests/ modules/ common_test/ common_test.module, line 205 
Code
function common_test_page_attachments(array &$page) {
  $page['#attached']['library'][] = 'core/foo';
  $page['#attached']['library'][] = 'core/bar';
  $page['#cache']['tags'] = [
    'example',
  ];
  $page['#cache']['contexts'] = [
    'user.permissions',
  ];
  if (\Drupal::state()->get('common_test.hook_page_attachments.descendant_attached', FALSE)) {
    $page['content']['#attached']['library'][] = 'core/jquery';
  }
  if (\Drupal::state()->get('common_test.hook_page_attachments.render_array', FALSE)) {
    $page['something'] = [
      '#markup' => 'test',
    ];
  }
  if (\Drupal::state()->get('common_test.hook_page_attachments.early_rendering', FALSE)) {
    // Do some early rendering.
    $element = [
      '#markup' => '123',
    ];
    \Drupal::service('renderer')->render($element);
  }
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
