protected HtmlResponseAttachmentsProcessor::processAssetLibraries(AttachedAssetsInterface $assets, array $placeholders)
Processes asset libraries into render arrays.
Parameters
\Drupal\Core\Asset\AttachedAssetsInterface $assets: The attached assets collection for the current response.
array $placeholders: The placeholders that exist in the response.
Return value
array An array keyed by asset type, with keys:
- styles
- scripts
- scripts_bottom
File
- core/lib/Drupal/Core/Render/HtmlResponseAttachmentsProcessor.php, line 284
Class
- HtmlResponseAttachmentsProcessor
- Processes attachments of HTML responses.
Namespace
Drupal\Core\Render
Code
protected function processAssetLibraries(AttachedAssetsInterface $assets, array $placeholders) { $variables = []; // Print styles - if present. if (isset($placeholders['styles'])) { // Optimize CSS if necessary, but only during normal site operation. $optimize_css = !defined('MAINTENANCE_MODE') && $this->config->get('css.preprocess'); $variables['styles'] = $this->cssCollectionRenderer->render($this->assetResolver->getCssAssets($assets, $optimize_css)); } // Print scripts - if any are present. if (isset($placeholders['scripts']) || isset($placeholders['scripts_bottom'])) { // Optimize JS if necessary, but only during normal site operation. $optimize_js = !defined('MAINTENANCE_MODE') && !\Drupal::state()->get('system.maintenance_mode') && $this->config->get('js.preprocess'); list($js_assets_header, $js_assets_footer) = $this->assetResolver->getJsAssets($assets, $optimize_js); $variables['scripts'] = $this->jsCollectionRenderer->render($js_assets_header); $variables['scripts_bottom'] = $this->jsCollectionRenderer->render($js_assets_footer); } return $variables; }
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