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<?php declare(strict_types=1);
namespace GraphQL\Validator\Rules;
use GraphQL\Error\Error;
use GraphQL\Language\AST\DocumentNode;
use GraphQL\Language\AST\ExecutableDefinitionNode;
use GraphQL\Language\AST\NodeKind;
use GraphQL\Language\AST\SchemaDefinitionNode;
use GraphQL\Language\AST\SchemaExtensionNode;
use GraphQL\Language\AST\TypeDefinitionNode;
use GraphQL\Language\AST\TypeExtensionNode;
use GraphQL\Language\Visitor;
use GraphQL\Language\VisitorOperation;
use GraphQL\Validator\QueryValidationContext;
/**
* Executable definitions.
*
* A GraphQL document is only valid for execution if all definitions are either
* operation or fragment definitions.
*/
class ExecutableDefinitions extends ValidationRule
{
public function getVisitor(QueryValidationContext $context): array
{
return [
NodeKind::DOCUMENT => static function (DocumentNode $node) use ($context): VisitorOperation {
foreach ($node->definitions as $definition) {
if (! $definition instanceof ExecutableDefinitionNode) {
if ($definition instanceof SchemaDefinitionNode || $definition instanceof SchemaExtensionNode) {
$defName = 'schema';
} else {
assert(
$definition instanceof TypeDefinitionNode || $definition instanceof TypeExtensionNode,
'only other option'
);
$defName = "\"{$definition->getName()->value}\"";
}
$context->reportError(new Error(
static::nonExecutableDefinitionMessage($defName),
[$definition]
));
}
}
return Visitor::skipNode();
},
];
}
public static function nonExecutableDefinitionMessage(string $defName): string
{
return "The {$defName} definition is not executable.";
}
}