Initial Drupal 11 with DDEV setup

vendor/drupal/core-composer-scaffold/ManageOptions.php

@@ -0,0 +1,92 @@
+<?php
+
+namespace Drupal\Composer\Plugin\Scaffold;
+
+use Composer\Composer;
+use Composer\Package\PackageInterface;
+use Composer\Util\Filesystem;
+
+/**
+ * Per-project options from the 'extras' section of the composer.json file.
+ *
+ * Projects that describe scaffold files do so via their scaffold options.
+ * This data is pulled from the 'drupal-scaffold' portion of the extras
+ * section of the project data.
+ *
+ * @internal
+ */
+class ManageOptions {
+
+  /**
+   * The Composer service.
+   *
+   * @var \Composer\Composer
+   */
+  protected $composer;
+
+  /**
+   * ManageOptions constructor.
+   *
+   * @param \Composer\Composer $composer
+   *   The Composer service.
+   */
+  public function __construct(Composer $composer) {
+    $this->composer = $composer;
+  }
+
+  /**
+   * Gets the root-level scaffold options for this project.
+   *
+   * @return \Drupal\Composer\Plugin\Scaffold\ScaffoldOptions
+   *   The scaffold options object.
+   */
+  public function getOptions() {
+    return $this->packageOptions($this->composer->getPackage());
+  }
+
+  /**
+   * Gets the scaffold options for the stipulated project.
+   *
+   * @param \Composer\Package\PackageInterface $package
+   *   The package to fetch the scaffold options from.
+   *
+   * @return \Drupal\Composer\Plugin\Scaffold\ScaffoldOptions
+   *   The scaffold options object.
+   */
+  public function packageOptions(PackageInterface $package) {
+    return ScaffoldOptions::create($package->getExtra());
+  }
+
+  /**
+   * Creates an interpolator for the 'locations' element.
+   *
+   * The interpolator returned will replace a path string with the tokens
+   * defined in the 'locations' element.
+   *
+   * Note that only the root package may define locations.
+   *
+   * @return \Drupal\Composer\Plugin\Scaffold\Interpolator
+   *   Interpolator that will do replacements in a string using tokens in
+   *   'locations' element.
+   */
+  public function getLocationReplacements() {
+    return (new Interpolator())->setData($this->ensureLocations());
+  }
+
+  /**
+   * Ensures that all of the locations defined in the scaffold files exist.
+   *
+   * Create them on the filesystem if they do not.
+   */
+  protected function ensureLocations() {
+    $fs = new Filesystem();
+    $locations = $this->getOptions()->locations() + ['web_root' => './'];
+    $locations = array_map(function ($location) use ($fs) {
+      $fs->ensureDirectoryExists($location);
+      $location = realpath($location);
+      return $location;
+    }, $locations);
+    return $locations;
+  }
+
+}