Version 4.5.0

system/3rd_party/graphql-php/Validator/Rules/KnownFragmentNames.php

@@ -0,0 +1,33 @@
+<?php
+namespace GraphQL\Validator\Rules;
+
+
+use GraphQL\Error\Error;
+use GraphQL\Language\AST\FragmentSpreadNode;
+use GraphQL\Language\AST\Node;
+use GraphQL\Language\AST\NodeKind;
+use GraphQL\Validator\ValidationContext;
+
+class KnownFragmentNames extends AbstractValidationRule
+{
+    static function unknownFragmentMessage($fragName)
+    {
+        return "Unknown fragment \"$fragName\".";
+    }
+
+    public function getVisitor(ValidationContext $context)
+    {
+        return [
+            NodeKind::FRAGMENT_SPREAD => function(FragmentSpreadNode $node) use ($context) {
+                $fragmentName = $node->name->value;
+                $fragment = $context->getFragment($fragmentName);
+                if (!$fragment) {
+                    $context->reportError(new Error(
+                        self::unknownFragmentMessage($fragmentName),
+                        [$node->name]
+                    ));
+                }
+            }
+        ];
+    }
+}