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<?php
namespace GraphQL\Validator\Rules;
use GraphQL\Error\Error;
use GraphQL\Language\AST\DocumentNode;
use GraphQL\Language\AST\FragmentDefinitionNode;
use GraphQL\Language\AST\Node;
use GraphQL\Language\AST\NodeKind;
use GraphQL\Language\AST\OperationDefinitionNode;
use GraphQL\Language\Visitor;
use GraphQL\Validator\ValidationContext;
/**
* Executable definitions
*
* A GraphQL document is only valid for execution if all definitions are either
* operation or fragment definitions.
*/
class ExecutableDefinitions extends AbstractValidationRule
{
static function nonExecutableDefinitionMessage($defName)
{
return "The \"$defName\" definition is not executable.";
}
public function getVisitor(ValidationContext $context)
{
return [
NodeKind::DOCUMENT => function (DocumentNode $node) use ($context) {
/** @var Node $definition */
foreach ($node->definitions as $definition) {
if (
!$definition instanceof OperationDefinitionNode &&
!$definition instanceof FragmentDefinitionNode
) {
$context->reportError(new Error(
self::nonExecutableDefinitionMessage($definition->name->value),
[$definition->name]
));
}
}
return Visitor::skipNode();
}
];
}
}