*/ final class ClosureTypeMapper implements TypeMapperInterface { /** * @readonly * @var \Rector\Php\PhpVersionProvider */ private $phpVersionProvider; public function __construct(PhpVersionProvider $phpVersionProvider) { $this->phpVersionProvider = $phpVersionProvider; } public function getNodeClass() : string { return ClosureType::class; } /** * @param ClosureType $type */ public function mapToPHPStanPhpDocTypeNode(Type $type) : TypeNode { $typeNode = $type->toPhpDocNode(); $phpDocNodeTraverser = new PhpDocNodeTraverser(); $phpDocNodeTraverser->traverseWithCallable($typeNode, '', static function (AstNode $astNode) : ?FullyQualifiedIdentifierTypeNode { if (!$astNode instanceof IdentifierTypeNode) { return null; } if ($astNode->name !== 'Closure') { return null; } return new FullyQualifiedIdentifierTypeNode('Closure'); }); return $typeNode; } /** * @param TypeKind::* $typeKind * @param ClosureType $type */ public function mapToPhpParserNode(Type $type, string $typeKind) : ?Node { // ref https://3v4l.org/iKMK6#v5.3.29 if ($typeKind === TypeKind::PARAM && $this->phpVersionProvider->isAtLeastPhpVersion(PhpVersionFeature::ANONYMOUS_FUNCTION_PARAM_TYPE)) { return new FullyQualified('Closure'); } // ref https://3v4l.org/g8WvW#v7.4.0 if ($typeKind === TypeKind::PROPERTY && $this->phpVersionProvider->isAtLeastPhpVersion(PhpVersionFeature::TYPED_PROPERTIES)) { return new FullyQualified('Closure'); } if ($typeKind !== TypeKind::RETURN) { return null; } // ref https://3v4l.org/nUreN#v7.0.0 if (!$this->phpVersionProvider->isAtLeastPhpVersion(PhpVersionFeature::ANONYMOUS_FUNCTION_RETURN_TYPE)) { return null; } return new FullyQualified('Closure'); } }