Initial Drupal 11 with DDEV setup

vendor/drupal/core-recipe-unpack/UnpackOptions.php

@@ -0,0 +1,79 @@
+<?php
+
+namespace Drupal\Composer\Plugin\RecipeUnpack;
+
+use Composer\Package\PackageInterface;
+
+/**
+ * Per-project options from the 'extras' section of the composer.json file.
+ *
+ * Projects that implement dependency unpacking plugin can further configure it.
+ * This data is pulled from the 'drupal-recipe-unpack' portion of the extras
+ * section.
+ *
+ * @code
+ *  "extras": {
+ *    "drupal-recipe-unpack": {
+ *      "ignore": ["drupal/recipe_name"],
+ *      "on-require": true
+ *    }
+ *  }
+ * @endcode
+ *
+ * Supported options:
+ * - `ignore` (array):
+ *   Specifies packages to exclude from unpacking into the root composer.json.
+ * - `on-require` (boolean):
+ *   Whether to unpack recipes automatically on require.
+ *
+ * @internal
+ */
+final readonly class UnpackOptions {
+
+  /**
+   * The ID of the extra section in the top-level composer.json file.
+   */
+  const string ID = 'drupal-recipe-unpack';
+
+  /**
+   * The raw data from the 'extras' section of the top-level composer.json file.
+   *
+   * @var array{ignore: string[], on-require: boolean}
+   */
+  public array $options;
+
+  private function __construct(array $options) {
+    $this->options = $options + [
+      'ignore' => [],
+      'on-require' => TRUE,
+    ];
+  }
+
+  /**
+   * Checks if a package should be ignored.
+   *
+   * @param \Composer\Package\PackageInterface $package
+   *   The package.
+   *
+   * @return bool
+   *   TRUE if the package should be ignored, FALSE if not.
+   */
+  public function isIgnored(PackageInterface $package): bool {
+    return in_array($package->getName(), $this->options['ignore'], TRUE);
+  }
+
+  /**
+   * Creates an unpack options object.
+   *
+   * @param array $extras
+   *   The contents of the 'extras' section.
+   *
+   * @return self
+   *   The unpack options object representing the provided unpack options
+   */
+  public static function create(array $extras): self {
+    $options = $extras[self::ID] ?? [];
+    return new self($options);
+  }
+
+}