ReliqArts\Scavenger\Helper\NodeProximityAssistant::closest()

Complexity

Conditions	6
Paths	4

Size

Total Lines	21
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function closest(string $selector, Crawler $crawler): ?Crawler
    {
        if (!count($crawler)) {
            throw new InvalidArgumentException(self::CURRENT_NODE_LIST_EMPTY);
        }

        $node = $crawler->getNode(0);

        if ($node !== null) {
            while ($node = $node->parentNode) {
                if (XML_ELEMENT_NODE === $node->nodeType) {
                    $parentCrawler = new Crawler($node, $crawler->getUri(), $crawler->getBaseHref());
                    $descendantMatchingSelector = $parentCrawler->filter($selector);
                    if ($descendantMatchingSelector->count()) {
                        return $descendantMatchingSelector;
                    }
                }
            }
        }

        return null;
    }