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<?php
declare(strict_types=1);
namespace NunoMaduro\Larastan\Rules;
use Illuminate\View\Factory;
use NunoMaduro\Larastan\Collectors\UsedEmailViewCollector;
use NunoMaduro\Larastan\Collectors\UsedRouteFacadeViewCollector;
use NunoMaduro\Larastan\Collectors\UsedViewFacadeMakeCollector;
use NunoMaduro\Larastan\Collectors\UsedViewFunctionCollector;
use NunoMaduro\Larastan\Collectors\UsedViewInAnotherViewCollector;
use NunoMaduro\Larastan\Collectors\UsedViewMakeCollector;
use NunoMaduro\Larastan\Support\ViewFileHelper;
use PhpParser\Node;
use PHPStan\Analyser\Scope;
use PHPStan\Node\CollectedDataNode;
use PHPStan\Rules\Rule;
use PHPStan\Rules\RuleErrorBuilder;
use function array_diff;
use function array_filter;
use function collect;
use function iterator_to_array;
/** @implements Rule<CollectedDataNode> */
final class UnusedViewsRule implements Rule
{
/** @var list<string>|null */
private ?array $viewsUsedInOtherViews = null;
public function __construct(private UsedViewInAnotherViewCollector $usedViewInAnotherViewCollector, private ViewFileHelper $viewFileHelper)
{
}
public function getNodeType(): string
{
return CollectedDataNode::class;
}
public function processNode(Node $node, Scope $scope): array
{
if ($this->viewsUsedInOtherViews === null) {
$this->viewsUsedInOtherViews = $this->usedViewInAnotherViewCollector->getUsedViews();
}
$usedViews = collect([
$node->get(UsedViewFunctionCollector::class),
$node->get(UsedEmailViewCollector::class),
$node->get(UsedViewMakeCollector::class),
$node->get(UsedViewFacadeMakeCollector::class),
$node->get(UsedRouteFacadeViewCollector::class),
$this->viewsUsedInOtherViews,
])->flatten()->unique()->toArray();
$allViews = iterator_to_array($this->viewFileHelper->getAllViewNames());
$existingViews = [];
/** @var Factory $view */
$view = view();
foreach ($usedViews as $viewName) {
if ($view->exists($viewName)) {
$existingViews[] = $viewName;
}
}
$unusedViews = array_diff($allViews, array_filter($existingViews));
$errors = [];
foreach ($unusedViews as $file) {
$errors[] = RuleErrorBuilder::message('This view is not used in the project.')
->file($file.'.blade.php')
->line(0)
->build();
}
return $errors;
}
}