try to create forward compatibility with Flow 7.x forwards

Classes/Utils/DummyView.php

@@ -6,6 +6,7 @@ namespace DigiComp\FluidRenderFunctions\Utils;
 
 use TYPO3Fluid\Fluid\View\ViewInterface;
 
+// @deprecated: drop this class, as soon as Flow 6.3 support drops
 class DummyView implements ViewInterface
 {
     public function assign($key, $value)

Classes/Utils/NodeRenderTransfer.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace DigiComp\FluidRenderFunctions\Utils;
 
 use DigiComp\FluidRenderFunctions\InvokeRenderFunctionInterface;
+use Neos\Flow\ObjectManagement\Proxy\ProxyInterface;
 use Neos\FluidAdaptor\Core\Rendering\RenderingContext;
 use TYPO3Fluid\Fluid\Core\Parser\SyntaxTree\NodeInterface;
 
@@ -28,7 +29,22 @@ class NodeRenderTransfer implements InvokeRenderFunctionInterface
 
     public function __invoke($object): string
     {
-        $context = new RenderingContext(new DummyView());
+        // @deprecated: drop the condition, if compatibility to Flow 6.3 can be dropped
+        $reflector = new \ReflectionClass(RenderingContext::class);
+        if ($reflector->implementsInterface(ProxyInterface::class)) {
+            try {
+                $reflector = new \ReflectionClass($reflector->getParentClass()->getName());
+            } catch (\Exception $e) {
+                // nothing, go with the first one
+            }
+        }
+        $constructor = $reflector->getConstructor();
+
+        if ($constructor->getNumberOfRequiredParameters() > 0) {
+            $context = new RenderingContext(new DummyView());
+        } else {
+            $context = new RenderingContext();
+        }
         $context->getVariableProvider()->add($this->subjectName, $object);
         return \trim($this->node->evaluate($context));
     }