misc: check value acceptance in separate node builder

src/Library/Container.php

@@ -23,6 +23,7 @@
 use CuyZ\Valinor\Mapper\Object\Factory\ObjectBuilderFactory;
 use CuyZ\Valinor\Mapper\Tree\Builder\ArrayNodeBuilder;
 use CuyZ\Valinor\Mapper\Tree\Builder\CasterNodeBuilder;
+use CuyZ\Valinor\Mapper\Tree\Builder\CasterProxyNodeBuilder;
 use CuyZ\Valinor\Mapper\Tree\Builder\ClassNodeBuilder;
 use CuyZ\Valinor\Mapper\Tree\Builder\EnumNodeBuilder;
 use CuyZ\Valinor\Mapper\Tree\Builder\ErrorCatcherNodeBuilder;
@@ -128,6 +129,7 @@ public function __construct(Settings $settings)
                     )
                 ));
 
+                $builder = new CasterProxyNodeBuilder($builder);
                 $builder = new VisitorNodeBuilder($builder, $settings->nodeVisitors);
                 $builder = new ValueAlteringNodeBuilder($builder, $settings->valueModifier);
                 $builder = new ShellVisitorNodeBuilder($builder, $this->get(ShellVisitor::class));

src/Mapper/Tree/Builder/CasterNodeBuilder.php

@@ -25,11 +25,6 @@ public function __construct(array $builders)
     public function build(Shell $shell, RootNodeBuilder $rootBuilder): Node
     {
         $type = $shell->type();
-        $value = $shell->value();
-
-        if ($type->accepts($value)) {
-            return Node::leaf($shell, $value);
-        }
 
         foreach ($this->builders as $allowed => $builder) {
             if ($type instanceof $allowed) {

src/Mapper/Tree/Builder/CasterProxyNodeBuilder.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CuyZ\Valinor\Mapper\Tree\Builder;
+
+use CuyZ\Valinor\Mapper\Tree\Node;
+use CuyZ\Valinor\Mapper\Tree\Shell;
+
+/** @internal  */
+final class CasterProxyNodeBuilder implements NodeBuilder
+{
+    private NodeBuilder $delegate;
+
+    public function __construct(NodeBuilder $delegate)
+    {
+        $this->delegate = $delegate;
+    }
+
+    public function build(Shell $shell, RootNodeBuilder $rootBuilder): Node
+    {
+        $value = $shell->value();
+
+        if ($shell->type()->accepts($value)) {
+            return Node::leaf($shell, $value);
+        }
+
+        return $this->delegate->build($shell, $rootBuilder);
+    }
+}