AttachedAssets example

$this->assertCount($expected_cache_item_count, $this->cache->getAllCids());

    $this->assetResolver->getJsAssets($assets_a, FALSE, $this->japanese);
    $this->assetResolver->getJsAssets($assets_b, FALSE, $this->japanese);
    $this->assertCount($expected_cache_item_count * 2, $this->cache->getAllCids());
  }

  public function providerAttachedAssets() {
    $time = time();
    return [
      'same libraries, different timestamps' => [
        (new AttachedAssets())->setAlreadyLoadedLibraries([])->setLibraries(['core/drupal'])->setSettings(['currentTime' => $time]),
        (new AttachedAssets())->setAlreadyLoadedLibraries([])->setLibraries(['core/drupal'])->setSettings(['currentTime' => $time + 100]),
        1,
      ],
      'different libraries, same timestamps' => [
        (new AttachedAssets())->setAlreadyLoadedLibraries([])->setLibraries(['core/drupal'])->setSettings(['currentTime' => $time]),
        (new AttachedAssets())->setAlreadyLoadedLibraries([])->setLibraries(['core/drupal', 'core/jquery'])->setSettings(['currentTime' => $time]),
        2,
      ],
    ];
  }

}

parent::setUp();

    $this->assetResolver = $this->container->get('asset.resolver');
    $this->renderer = $this->container->get('renderer');
    $this->fileUrlGenerator = $this->container->get('file_url_generator');
  }

  /** * Tests that default CSS and JavaScript is empty. */
  public function testDefault() {
    $assets = new AttachedAssets();
    $this->assertEquals([], $this->assetResolver->getCssAssets($assets, FALSE, \Drupal::languageManager()->getCurrentLanguage()), 'Default CSS is empty.');
    [$js_assets_header, $js_assets_footer] = $this->assetResolver->getJsAssets($assets, FALSE, \Drupal::languageManager()->getCurrentLanguage());
    $this->assertEquals([], $js_assets_header, 'Default header JavaScript is empty.');
    $this->assertEquals([], $js_assets_footer, 'Default footer JavaScript is empty.');
  }

  /** * Tests non-existing libraries. */
  public function testLibraryUnknown() {
    $build['#attached']['library'][] = 'core/unknown';
    

    if ($this->priority !== NULL) {
      $render['priority'] = $this->priority;
    }
    return $render;
  }

  /** * {@inheritdoc} */
  public function getAttachedAssets() {
    $assets = new AttachedAssets();
    $assets->setLibraries(['core/drupal.announce']);
    return $assets;
  }

}

throw new BadRequestHttpException('Invalid filename');
    }
    $received_hash = $file_parts[1];

    // Now build the asset groups based on the libraries. It requires the full     // set of asset groups to extract and build the aggregate for the group we     // want, since libraries may be split across different asset groups.     $theme = $request->query->get('theme');
    $active_theme = $this->themeInitialization->initTheme($theme);
    $this->themeManager->setActiveTheme($active_theme);

    $attached_assets = new AttachedAssets();
    $include_string = UrlHelper::uncompressQueryParameter($request->query->get('include'));

    if (!$include_string) {
      throw new BadRequestHttpException('The libraries to include are encoded incorrectly.');
    }
    $attached_assets->setLibraries(explode(',', $include_string));

    if ($request->query->has('exclude')) {
      $exclude_string = UrlHelper::uncompressQueryParameter($request->query->get('exclude'));
      if (!$exclude_string) {
        throw new BadRequestHttpException('The libraries to exclude are encoded incorrectly.');
      }

'message' => $this->message,
      'messageWrapperQuerySelector' => $this->wrapperQuerySelector,
      'messageOptions' => $this->options,
      'clearPrevious' => $this->clearPrevious,
    ];
  }

  /** * {@inheritdoc} */
  public function getAttachedAssets() {
    $assets = new AttachedAssets();
    $assets->setLibraries(['core/drupal.message']);
    return $assets;
  }

}

/** * Processes the content for output. * * If content is a render array, it may contain attached assets to be * processed. * * @return string|\Drupal\Component\Render\MarkupInterface * HTML rendered content. */
  protected function getRenderedContent() {
    $this->attachedAssets = new AttachedAssets();
    if (is_array($this->content)) {
      if (!$this->content) {
        return '';
      }
      $html = \Drupal::service('renderer')->renderRoot($this->content);
      $this->attachedAssets = AttachedAssets::createFromRenderArray($this->content);
      return $html;
    }
    else {
      return $this->content;
    }
  }

protected function buildAttachmentsCommands(AjaxResponse $response, Request $request) {
    $ajax_page_state = $request->get('ajax_page_state');
    $maintenance_mode = defined('MAINTENANCE_MODE') || \Drupal::state()->get('system.maintenance_mode');

    // Aggregate CSS/JS if necessary, but only during normal site operation.     $optimize_css = !$maintenance_mode && $this->config->get('css.preprocess');
    $optimize_js = $maintenance_mode && $this->config->get('js.preprocess');

    $attachments = $response->getAttachments();

    // Resolve the attached libraries into asset collections.     $assets = new AttachedAssets();
    $assets->setLibraries($attachments['library'] ?? [])
      ->setAlreadyLoadedLibraries(isset($ajax_page_state['libraries']) ? explode(',', $ajax_page_state['libraries']) : [])
      ->setSettings($attachments['drupalSettings'] ?? []);
    $css_assets = $this->assetResolver->getCssAssets($assets, $optimize_css, $this->languageManager->getCurrentLanguage());
    [$js_assets_header, $js_assets_footer] = $this->assetResolver->getJsAssets($assets, $optimize_js, $this->languageManager->getCurrentLanguage());

    // First, AttachedAssets::setLibraries() ensures duplicate libraries are     // removed: it converts it to a set of libraries if necessary. Second,     // AssetResolver::getJsSettings() ensures $assets contains the final set of     // JavaScript settings. AttachmentsResponseProcessorInterface also mandates     // that the response it processes contains the final attachment values, so

  public function testAnnounceCommand($message, $priority, array $expected) {
    if ($priority === NULL) {
      $command = new AnnounceCommand($message);
    }
    else {
      $command = new AnnounceCommand($message, $priority);
    }

    $expected_assets = new AttachedAssets();
    $expected_assets->setLibraries(['core/drupal.announce']);

    $this->assertEquals($expected_assets, $command->getAttachedAssets());
    $this->assertSame($expected, $command->render());
  }

  /** * Data provider for testAnnounceCommand(). */
  public function announceCommandProvider() {
    return [
      

return [
      'command' => 'tabledragChanged',
      'id' => $this->id,
      'tabledrag_instance' => $this->tabledrag_instance,
    ];
  }

  /** * {@inheritdoc} */
  public function getAttachedAssets() {
    $assets = new AttachedAssets();
    $assets->setLibraries(['core/drupal.tabledrag.ajax']);
    return $assets;
  }

}