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<?php
namespace Drupal\Core\Asset;
/**
* The default attached assets collection.
*/
class AttachedAssets implements AttachedAssetsInterface {
/**
* The (ordered) list of asset libraries attached to the current response.
*
* @var string[]
*/
public $libraries = [];
/**
* The JavaScript settings attached to the current response.
*
* @var array
*/
public $settings = [];
/**
* The set of asset libraries that the client has already loaded.
*
* @var string[]
*/
protected $alreadyLoadedLibraries = [];
/**
* {@inheritdoc}
*/
public static function createFromRenderArray(array $render_array) {
if (!isset($render_array['#attached'])) {
throw new \LogicException('The render array has not yet been rendered, hence not all attachments have been collected yet.');
}
$assets = new static();
if (isset($render_array['#attached']['library'])) {
$assets->setLibraries($render_array['#attached']['library']);
}
if (isset($render_array['#attached']['drupalSettings'])) {
$assets->setSettings($render_array['#attached']['drupalSettings']);
}
return $assets;
}
/**
* {@inheritdoc}
*/
public function setLibraries(array $libraries) {
$this->libraries = array_unique($libraries);
return $this;
}
/**
* {@inheritdoc}
*/
public function getLibraries() {
return $this->libraries;
}
/**
* {@inheritdoc}
*/
public function setSettings(array $settings) {
$this->settings = $settings;
return $this;
}
/**
* {@inheritdoc}
*/
public function getSettings() {
return $this->settings;
}
/**
* {@inheritdoc}
*/
public function getAlreadyLoadedLibraries() {
return $this->alreadyLoadedLibraries;
}
/**
* {@inheritdoc}
*/
public function setAlreadyLoadedLibraries(array $libraries) {
$this->alreadyLoadedLibraries = $libraries;
return $this;
}
}