*/
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');
}
}