JezK
Edit File: UniqueArgumentNames.php
<?php declare(strict_types=1); namespace Automattic\WooCommerce\Vendor\GraphQL\Validator\Rules; use Automattic\WooCommerce\Vendor\GraphQL\Error\Error; use Automattic\WooCommerce\Vendor\GraphQL\Language\AST\ArgumentNode; use Automattic\WooCommerce\Vendor\GraphQL\Language\AST\NameNode; use Automattic\WooCommerce\Vendor\GraphQL\Language\AST\NodeKind; use Automattic\WooCommerce\Vendor\GraphQL\Language\Visitor; use Automattic\WooCommerce\Vendor\GraphQL\Language\VisitorOperation; use Automattic\WooCommerce\Vendor\GraphQL\Validator\QueryValidationContext; use Automattic\WooCommerce\Vendor\GraphQL\Validator\SDLValidationContext; use Automattic\WooCommerce\Vendor\GraphQL\Validator\ValidationContext; /** * @phpstan-import-type VisitorArray from Visitor */ class UniqueArgumentNames extends ValidationRule { /** @var array<string, NameNode> */ protected array $knownArgNames; public function getSDLVisitor(SDLValidationContext $context): array { return $this->getASTVisitor($context); } public function getVisitor(QueryValidationContext $context): array { return $this->getASTVisitor($context); } /** @phpstan-return VisitorArray */ public function getASTVisitor(ValidationContext $context): array { $this->knownArgNames = []; return [ NodeKind::FIELD => function (): void { $this->knownArgNames = []; }, NodeKind::DIRECTIVE => function (): void { $this->knownArgNames = []; }, NodeKind::ARGUMENT => function (ArgumentNode $node) use ($context): VisitorOperation { $argName = $node->name->value; if (isset($this->knownArgNames[$argName])) { $context->reportError(new Error( static::duplicateArgMessage($argName), [$this->knownArgNames[$argName], $node->name] )); } else { $this->knownArgNames[$argName] = $node->name; } return Visitor::skipNode(); }, ]; } public static function duplicateArgMessage(string $argName): string { return "There can be only one argument named \"{$argName}\"."; } }