UniqueFragmentNames.php — WooCommerce 10.9.3

woocommerce / lib / packages / GraphQL / Validator / Rules / UniqueFragmentNames.php

woocommerce / lib / packages / GraphQL / Validator / Rules Last commit date

UniqueFragmentNames.php

45 lines

1	<?php declare(strict_types=1);
2
3	namespace Automattic\WooCommerce\Vendor\GraphQL\Validator\Rules;
4
5	use Automattic\WooCommerce\Vendor\GraphQL\Error\Error;
6	use Automattic\WooCommerce\Vendor\GraphQL\Language\AST\FragmentDefinitionNode;
7	use Automattic\WooCommerce\Vendor\GraphQL\Language\AST\NameNode;
8	use Automattic\WooCommerce\Vendor\GraphQL\Language\AST\NodeKind;
9	use Automattic\WooCommerce\Vendor\GraphQL\Language\Visitor;
10	use Automattic\WooCommerce\Vendor\GraphQL\Language\VisitorOperation;
11	use Automattic\WooCommerce\Vendor\GraphQL\Validator\QueryValidationContext;
12
13	class UniqueFragmentNames extends ValidationRule
14	{
15	/** @var array<string, NameNode> */
16	protected array $knownFragmentNames;
17
18	public function getVisitor(QueryValidationContext $context): array
19	{
20	$this->knownFragmentNames = [];
21
22	return [
23	NodeKind::OPERATION_DEFINITION => static fn (): VisitorOperation => Visitor::skipNode(),
24	NodeKind::FRAGMENT_DEFINITION => function (FragmentDefinitionNode $node) use ($context): VisitorOperation {
25	$fragmentName = $node->name->value;
26	if (! isset($this->knownFragmentNames[$fragmentName])) {
27	$this->knownFragmentNames[$fragmentName] = $node->name;
28	} else {
29	$context->reportError(new Error(
30	static::duplicateFragmentNameMessage($fragmentName),
31	[$this->knownFragmentNames[$fragmentName], $node->name]
32	));
33	}
34
35	return Visitor::skipNode();
36	},
37	];
38	}
39
40	public static function duplicateFragmentNameMessage(string $fragName): string
41	{
42	return "There can be only one fragment named \"{$fragName}\".";
43	}
44	}
45