Vendor

2021-06-01 19:56:34 +02:00
parent e74df463f2
commit 499abe195e
284 changed files with 55166 additions and 0 deletions
@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GraphQL\Validator\Rules;
+
+use GraphQL\Error\Error;
+use GraphQL\Language\AST\FragmentDefinitionNode;
+use GraphQL\Language\AST\NodeKind;
+use GraphQL\Language\AST\OperationDefinitionNode;
+use GraphQL\Language\Visitor;
+use GraphQL\Validator\ValidationContext;
+use function sprintf;
+
+class NoUnusedFragments extends ValidationRule
+{
+    /** @var OperationDefinitionNode[] */
+    public $operationDefs;
+
+    /** @var FragmentDefinitionNode[] */
+    public $fragmentDefs;
+
+    public function getVisitor(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])) {
+                            continue;
+                        }
+
+                        $context->reportError(new Error(
+                            self::unusedFragMessage($fragName),
+                            [$fragmentDef]
+                        ));
+                    }
+                },
+            ],
+        ];
+    }
+
+    public static function unusedFragMessage($fragName)
+    {
+        return sprintf('Fragment "%s" is never used.', $fragName);
+    }
+}