Vendor

2021-06-01 19:56:34 +02:00
parent e74df463f2
commit 499abe195e
284 changed files with 55166 additions and 0 deletions
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GraphQL\Validator\Rules;
+
+use GraphQL\Error\Error;
+use GraphQL\Language\AST\FieldNode;
+use GraphQL\Language\AST\NodeKind;
+use GraphQL\Type\Definition\Type;
+use GraphQL\Validator\ValidationContext;
+use function sprintf;
+
+class ScalarLeafs extends ValidationRule
+{
+    public function getVisitor(ValidationContext $context)
+    {
+        return [
+            NodeKind::FIELD => static function (FieldNode $node) use ($context) {
+                $type = $context->getType();
+                if (! $type) {
+                    return;
+                }
+
+                if (Type::isLeafType(Type::getNamedType($type))) {
+                    if ($node->selectionSet) {
+                        $context->reportError(new Error(
+                            self::noSubselectionAllowedMessage($node->name->value, $type),
+                            [$node->selectionSet]
+                        ));
+                    }
+                } elseif (! $node->selectionSet) {
+                    $context->reportError(new Error(
+                        self::requiredSubselectionMessage($node->name->value, $type),
+                        [$node]
+                    ));
+                }
+            },
+        ];
+    }
+
+    public static function noSubselectionAllowedMessage($field, $type)
+    {
+        return sprintf('Field "%s" of type "%s" must not have a sub selection.', $field, $type);
+    }
+
+    public static function requiredSubselectionMessage($field, $type)
+    {
+        return sprintf('Field "%s" of type "%s" must have a sub selection.', $field, $type);
+    }
+}