Digia\GraphQL\Validation\Rule\UniqueFragmentNamesRule::enterNode()

Complexity

Conditions	4
Paths	4

Size

Total Lines	25
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function enterNode(NodeInterface $node): ?NodeInterface
    {
        if ($node instanceof OperationDefinitionNode) {
            // Fragments cannot be defined inside operation definitions.
            return null;
        }

        if ($node instanceof FragmentDefinitionNode) {
            $fragmentName = $node->getNameValue();

            if (isset($this->knownFragmentNames[$fragmentName])) {
                $this->validationContext->reportError(
                    new ValidationException(
                        duplicateFragmentMessage($fragmentName),
                        [$this->knownFragmentNames[$fragmentName], $node->getName()]
                    )
                );
            } else {
                $this->knownFragmentNames[$fragmentName] = $node->getName();
            }

            return null;
        }

        return $node;
    }