First Commit

vendor/symfony/console/ArgumentResolver/ValueResolver/DefaultValueResolver.php

@@ -0,0 +1,37 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Console\ArgumentResolver\ValueResolver;
+
+use Symfony\Component\Console\Attribute\Reflection\ReflectionMember;
+use Symfony\Component\Console\Input\InputInterface;
+
+/**
+ * Yields the default value defined in the command signature when no input value has been explicitly passed.
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ * @author Robin Chalas <robin.chalas@gmail.com>
+ */
+final class DefaultValueResolver implements ValueResolverInterface
+{
+    public function resolve(string $argumentName, InputInterface $input, ReflectionMember $member): iterable
+    {
+        if ($member->hasDefaultValue()) {
+            return [$member->getDefaultValue()];
+        }
+
+        if ($member->isNullable() && !$member->isVariadic()) {
+            return [null];
+        }
+
+        return [];
+    }
+}