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<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Extension\DescriptionList\Event;
use League\CommonMark\Event\DocumentParsedEvent;
use League\CommonMark\Extension\DescriptionList\Node\DescriptionList;
use League\CommonMark\Node\NodeIterator;
final class ConsecutiveDescriptionListMerger
{
public function __invoke(DocumentParsedEvent $event): void
{
foreach ($event->getDocument()->iterator(NodeIterator::FLAG_BLOCKS_ONLY) as $node) {
if (! $node instanceof DescriptionList) {
continue;
}
if (! ($prev = $node->previous()) instanceof DescriptionList) {
continue;
}
// There's another description list behind this one; merge the current one into that
foreach ($node->children() as $child) {
$prev->appendChild($child);
}
$node->detach();
}
}
}
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