34 lines
958 B
PHP
34 lines
958 B
PHP
<?php
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namespace GraphQL\Validator\Rules;
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use GraphQL\Error\Error;
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use GraphQL\Language\AST\FragmentSpreadNode;
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use GraphQL\Language\AST\Node;
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use GraphQL\Language\AST\NodeKind;
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use GraphQL\Validator\ValidationContext;
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class KnownFragmentNames extends AbstractValidationRule
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{
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static function unknownFragmentMessage($fragName)
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{
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return "Unknown fragment \"$fragName\".";
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}
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public function getVisitor(ValidationContext $context)
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{
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return [
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NodeKind::FRAGMENT_SPREAD => function(FragmentSpreadNode $node) use ($context) {
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$fragmentName = $node->name->value;
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$fragment = $context->getFragment($fragmentName);
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if (!$fragment) {
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$context->reportError(new Error(
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self::unknownFragmentMessage($fragmentName),
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[$node->name]
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));
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}
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}
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];
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}
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}
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