fix

Author: dunglas

src/Model/ResolveNameTrait.php

@@ -22,6 +22,10 @@ trait ResolveNameTrait
 {
     private function resolveName(PhpNamespace $namespace, string $name): string
     {
-        return $namespace->resolveName($name);
+        if (method_exists(PhpNamespace::class, 'resolveName')) { // @phpstan-ignore-line
+            return $namespace->resolveName($name);
+        }
+
+        return $name;
     }
 }

src/Printer.php

@@ -13,6 +13,7 @@
 
 namespace ApiPlatform\SchemaGenerator;
 
+use Nette\PhpGenerator\PhpNamespace;
 use Nette\PhpGenerator\Printer as NettePrinter;
 
 final class Printer extends NettePrinter
@@ -22,6 +23,10 @@ public function __construct()
         parent::__construct();
 
         $this->linesBetweenMethods = 1;
-        $this->setTypeResolving(false);
+        // If the type name cannot be resolved with the namespace and its uses (nette/php-generator >= 4),
+        // disable type resolving to avoid using the root namespace.
+        if (!method_exists(PhpNamespace::class, 'resolveName')) { // @phpstan-ignore-line
+            $this->setTypeResolving(false);
+        }
     }
 }