UniqueDirectiveNames.php — WooCommerce 10.9.3

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

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

UniqueDirectiveNames.php

60 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\NameNode;
7	use Automattic\WooCommerce\Vendor\GraphQL\Language\AST\NodeKind;
8	use Automattic\WooCommerce\Vendor\GraphQL\Language\Visitor;
9	use Automattic\WooCommerce\Vendor\GraphQL\Language\VisitorOperation;
10	use Automattic\WooCommerce\Vendor\GraphQL\Validator\SDLValidationContext;
11
12	/**
13	* Unique directive names.
14	*
15	* A Automattic\WooCommerce\Vendor\GraphQL document is only valid if all defined directives have unique names.
16	*/
17	class UniqueDirectiveNames extends ValidationRule
18	{
19	public function getSDLVisitor(SDLValidationContext $context): array
20	{
21	$schema = $context->getSchema();
22
23	/** @var array<string, NameNode> $knownDirectiveNames */
24	$knownDirectiveNames = [];
25
26	return [
27	NodeKind::DIRECTIVE_DEFINITION => static function ($node) use ($context, $schema, &$knownDirectiveNames): ?VisitorOperation {
28	$directiveName = $node->name->value;
29
30	if ($schema !== null && $schema->getDirective($directiveName) !== null) {
31	$context->reportError(
32	new Error(
33	'Directive "@' . $directiveName . '" already exists in the schema. It cannot be redefined.',
34	$node->name,
35	),
36	);
37
38	return null;
39	}
40
41	if (isset($knownDirectiveNames[$directiveName])) {
42	$context->reportError(
43	new Error(
44	'There can be only one directive named "@' . $directiveName . '".',
45	[
46	$knownDirectiveNames[$directiveName],
47	$node->name,
48	]
49	),
50	);
51	} else {
52	$knownDirectiveNames[$directiveName] = $node->name;
53	}
54
55	return Visitor::skipNode();
56	},
57	];
58	}
59	}
60