PHP GraphQL\Validator ValidationContext::getRecursivelyReferencedFragments Examples

getRecursivelyReferencedFragments() public method

public getRecursivelyReferencedFragments ( OperationDefinitionNode $operation ) : FragmentDefinitionNode[]
$operation	GraphQL\Language\AST\OperationDefinitionNode
return	GraphQL\Language\AST\FragmentDefinitionNode[]

Example #1

File: NoUnusedFragments.php Project: webonyx/graphql-php

 public function __invoke(ValidationContext $context)
 {
     $this->operationDefs = [];
     $this->fragmentDefs = [];
     return [NodeKind::OPERATION_DEFINITION => function ($node) {
         $this->operationDefs[] = $node;
         return Visitor::skipNode();
     }, NodeKind::FRAGMENT_DEFINITION => function (FragmentDefinitionNode $def) {
         $this->fragmentDefs[] = $def;
         return Visitor::skipNode();
     }, NodeKind::DOCUMENT => ['leave' => function () use($context) {
         $fragmentNameUsed = [];
         foreach ($this->operationDefs as $operation) {
             foreach ($context->getRecursivelyReferencedFragments($operation) as $fragment) {
                 $fragmentNameUsed[$fragment->name->value] = true;
             }
         }
         foreach ($this->fragmentDefs as $fragmentDef) {
             $fragName = $fragmentDef->name->value;
             if (empty($fragmentNameUsed[$fragName])) {
                 $context->reportError(new Error(self::unusedFragMessage($fragName), [$fragmentDef]));
             }
         }
     }]];
 }