Automattic\WooCommerce\Vendor\GraphQL\Validator\Rules

UniqueTypeNames::getSDLVisitor │ public │ WC 1.0

Method of the class: UniqueTypeNames{}

No Hooks.

Returns

null. Nothing (null).

Usage

$UniqueTypeNames = new UniqueTypeNames();
$UniqueTypeNames->getSDLVisitor( $context ): array;

$context(SDLValidationContext) (required)

.

UniqueTypeNames::getSDLVisitor() UniqueTypeNames::getSDLVisitor code ^{WC 10.9.1}

public function getSDLVisitor(SDLValidationContext $context): array
{
    $schema = $context->getSchema();
    /** @var array<string, NameNode> $knownTypeNames */
    $knownTypeNames = [];
    $checkTypeName = static function ($node) use ($context, $schema, &$knownTypeNames): ?VisitorOperation {
        $typeName = $node->name->value;

        if ($schema !== null && $schema->getType($typeName) !== null) {
            $context->reportError(
                new Error(
                    "Type \"{$typeName}\" already exists in the schema. It cannot also be defined in this type definition.",
                    $node->name,
                ),
            );

            return null;
        }

        if (array_key_exists($typeName, $knownTypeNames)) {
            $context->reportError(
                new Error(
                    "There can be only one type named \"{$typeName}\".",
                    [
                        $knownTypeNames[$typeName],
                        $node->name,
                    ]
                ),
            );
        } else {
            $knownTypeNames[$typeName] = $node->name;
        }

        return Visitor::skipNode();
    };

    return [
        NodeKind::SCALAR_TYPE_DEFINITION => $checkTypeName,
        NodeKind::OBJECT_TYPE_DEFINITION => $checkTypeName,
        NodeKind::INTERFACE_TYPE_DEFINITION => $checkTypeName,
        NodeKind::UNION_TYPE_DEFINITION => $checkTypeName,
        NodeKind::ENUM_TYPE_DEFINITION => $checkTypeName,
        NodeKind::INPUT_OBJECT_TYPE_DEFINITION => $checkTypeName,
    ];
}