feat(menu): add AuthMenuLinks class

Author: szaleq

src/classes/Common/Menu/AuthMenuLinks.php

@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoWStarterTheme\Common\Menu;
+
+/**
+ * Handles url placeholders for auth links, like login, register, and logout.
+ *
+ * @phpstan-import-type MenuItem from MenuItemFilter
+ */
+class AuthMenuLinks extends MenuItemFilter
+{
+    /**
+     * Replaces URL in menu item.
+     *
+     * @param MenuItem $item Menu item.
+     * @return MenuItem customized menu item with icons.
+     */
+    public function filterItem($item)
+    {
+        // @phpstan-ignore assign.propertyReadOnly
+        $item->url = match ($item->url) {
+            '#logout' => wp_logout_url(),
+            '#login' => wp_login_url(),
+            '#register' => wp_registration_url(),
+            default => $item->url,
+        };
+
+        return $item;
+    }
+}