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system/Modules/Modules.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Modules;
+
+/**
+ * Modules Class
+ *
+ * @see https://codeigniter.com/user_guide/general/modules.html
+ */
+class Modules
+{
+    /**
+     * Auto-Discover
+     *
+     * @var bool
+     */
+    public $enabled = true;
+
+    /**
+     * Auto-Discovery Within Composer Packages
+     *
+     * @var bool
+     */
+    public $discoverInComposer = true;
+
+    /**
+     * Auto-Discover Rules Handler
+     *
+     * @var array
+     */
+    public $aliases = [];
+
+    /**
+     * Should the application auto-discover the requested resource.
+     */
+    public function shouldDiscover(string $alias): bool
+    {
+        if (! $this->enabled) {
+            return false;
+        }
+
+        return in_array(strtolower($alias), $this->aliases, true);
+    }
+}