/**
* @param DocumentAbstract $document
*
* @throws \Exception
*/
private function throwResourcesCombineExceptions(DocumentAbstract $document)
{
if ($document instanceof HtmlDocument) {
$resources = array_merge($document->resources('javascript')->resources(), $document->resources('stylesheet')->resources());
foreach ($resources as $resource) {
if ($resource instanceof CombineResourceInterface && $resource->getCombineObject()->getException() instanceof \Exception) {
throw $resource->getCombineObject()->getException();
}
}
}
}
/**
* {@inheritdoc}
*/
public function keywords($set = null)
{
$words = parent::keywords($set);
$this->insertToHead($this->keywords, $set, function (HtmlElement $el) use($words) {
$el->attr('name', 'keywords');
$el->attr('content', strip_tags($words));
});
return $words;
}