ScalarLeafs.php — WooCommerce 10.9.4

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

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

ScalarLeafs.php

49 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\FieldNode;
7	use Automattic\WooCommerce\Vendor\GraphQL\Language\AST\NodeKind;
8	use Automattic\WooCommerce\Vendor\GraphQL\Type\Definition\Type;
9	use Automattic\WooCommerce\Vendor\GraphQL\Validator\QueryValidationContext;
10
11	class ScalarLeafs extends ValidationRule
12	{
13	public function getVisitor(QueryValidationContext $context): array
14	{
15	return [
16	NodeKind::FIELD => static function (FieldNode $node) use ($context): void {
17	$type = $context->getType();
18	if ($type === null) {
19	return;
20	}
21
22	if (Type::isLeafType(Type::getNamedType($type))) {
23	if ($node->selectionSet !== null) {
24	$context->reportError(new Error(
25	static::noSubselectionAllowedMessage($node->name->value, $type->toString()),
26	[$node->selectionSet]
27	));
28	}
29	} elseif ($node->selectionSet === null) {
30	$context->reportError(new Error(
31	static::requiredSubselectionMessage($node->name->value, $type->toString()),
32	[$node]
33	));
34	}
35	},
36	];
37	}
38
39	public static function noSubselectionAllowedMessage(string $field, string $type): string
40	{
41	return "Field \"{$field}\" of type \"{$type}\" must not have a sub selection.";
42	}
43
44	public static function requiredSubselectionMessage(string $field, string $type): string
45	{
46	return "Field \"{$field}\" of type \"{$type}\" must have a sub selection.";
47	}
48	}
49