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<?php
declare (strict_types=1);
namespace Rector\Core\PhpParser\NodeTraverser;
use PhpParser\Node;
use PhpParser\NodeTraverser;
use Rector\Core\Contract\Rector\PhpRectorInterface;
use Rector\VersionBonding\PhpVersionedFilter;
final class RectorNodeTraverser extends NodeTraverser
{
/**
* @var bool
*/
private $areNodeVisitorsPrepared = \false;
/**
* @var PhpRectorInterface[]
* @readonly
*/
private $phpRectors;
/**
* @readonly
* @var \Rector\VersionBonding\PhpVersionedFilter
*/
private $phpVersionedFilter;
/**
* @param PhpRectorInterface[] $phpRectors
*/
public function __construct(array $phpRectors, PhpVersionedFilter $phpVersionedFilter)
{
$this->phpRectors = $phpRectors;
$this->phpVersionedFilter = $phpVersionedFilter;
}
/**
* @template TNode as Node
* @param TNode[] $nodes
* @return TNode[]
*/
public function traverse(array $nodes) : array
{
$this->prepareNodeVisitors();
return parent::traverse($nodes);
}
/**
* This must happen after $this->configuration is set after ProcessCommand::execute() is run,
* otherwise we get default false positives.
*
* This hack should be removed after https://github.com/rectorphp/rector/issues/5584 is resolved
*/
private function prepareNodeVisitors() : void
{
if ($this->areNodeVisitorsPrepared) {
return;
}
// filer out by version
$activePhpRectors = $this->phpVersionedFilter->filter($this->phpRectors);
$this->visitors = $this->visitors === [] ? $activePhpRectors : \array_merge($this->visitors, $activePhpRectors);
$this->areNodeVisitorsPrepared = \true;
}
}