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<?php declare (strict_types=1); namespace Rector\DeadCode\Rector\ClassMethod; use PhpParser\Node; use PhpParser\Node\Name\FullyQualified; use PhpParser\Node\Stmt\Class_; use PhpParser\Node\Stmt\ClassMethod; use Rector\Core\NodeAnalyzer\ParamAnalyzer; use Rector\Core\NodeManipulator\ClassMethodManipulator; use Rector\Core\Rector\AbstractRector; use Rector\Core\ValueObject\MethodName; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @see \Rector\Tests\DeadCode\Rector\ClassMethod\RemoveDeadConstructorRector\RemoveDeadConstructorRectorTest */ final class RemoveDeadConstructorRector extends AbstractRector { /** * @readonly * @var \Rector\Core\NodeManipulator\ClassMethodManipulator */ private $classMethodManipulator; /** * @readonly * @var \Rector\Core\NodeAnalyzer\ParamAnalyzer */ private $paramAnalyzer; public function __construct(ClassMethodManipulator $classMethodManipulator, ParamAnalyzer $paramAnalyzer) { $this->classMethodManipulator = $classMethodManipulator; $this->paramAnalyzer = $paramAnalyzer; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Remove empty constructor', [new CodeSample(<<<'CODE_SAMPLE' class SomeClass { public function __construct() { } } CODE_SAMPLE , <<<'CODE_SAMPLE' class SomeClass { } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [ClassMethod::class]; } /** * @param ClassMethod $node */ public function refactor(Node $node) : ?Node { $classLike = $this->betterNodeFinder->findParentType($node, Class_::class); if (!$classLike instanceof Class_) { return null; } if ($this->shouldSkipPropertyPromotion($node)) { return null; } if ($classLike->extends instanceof FullyQualified) { return null; } $this->removeNode($node); return null; } private function shouldSkipPropertyPromotion(ClassMethod $classMethod) : bool { if (!$this->isName($classMethod, MethodName::CONSTRUCT)) { return \true; } if ($classMethod->stmts === null) { return \true; } if ($classMethod->stmts !== []) { return \true; } if ($this->paramAnalyzer->hasPropertyPromotion($classMethod->params)) { return \true; } return $this->classMethodManipulator->isNamedConstructor($classMethod); } }
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