Fix: Unnamed Auth routes returns an error when inside a route group

src/Config/Auth.php

@@ -372,10 +372,31 @@ public function registerRedirect(): string
         return $this->getUrl($url);
     }
 
+    /**
+     * Accepts a string which can be an absolute URL or
+     * a named route or just a URI path.
+     * @param string $url
+     * @return string
+     */
     protected function getUrl(string $url): string
     {
-        return strpos($url, 'http') === 0
-            ? $url
-            : rtrim(site_url($url), '/ ');
+        // To accommodate all url patterns
+        $final_url = '';
+
+        switch (true) {
+            case strpos($url, 'http') === 0: // URL begins with 'http'. E.g. http://example.com
+                $final_url = $url;
+                break;
+
+            case route_to($url) !== false: // URL is a named-route
+                $final_url = url_to($url);
+                break;
+
+            default: // URL is a route (URI path)
+                $final_url = rtrim(site_url($url), '/ ');
+                break;
+        }
+
+        return $final_url;
     }
 }

src/Config/AuthRoutes.php

@@ -14,6 +14,7 @@ class AuthRoutes extends BaseConfig
                 'get',
                 'register',
                 'RegisterController::registerView',
+                'register', // Route name
             ],
             [
                 'post',
@@ -26,6 +27,7 @@ class AuthRoutes extends BaseConfig
                 'get',
                 'login',
                 'LoginController::loginView',
+                'login', // Route name
             ],
             [
                 'post',
@@ -57,26 +59,27 @@ class AuthRoutes extends BaseConfig
                 'get',
                 'logout',
                 'LoginController::logoutAction',
+                'logout', // Route name
             ],
         ],
         'auth-actions' => [
             [
                 'get',
                 'auth/a/show',
                 'ActionController::show',
-                'auth-action-show',
+                'auth-action-show', // Route name
             ],
             [
                 'post',
                 'auth/a/handle',
                 'ActionController::handle',
-                'auth-action-handle',
+                'auth-action-handle', // Route name
             ],
             [
                 'post',
                 'auth/a/verify',
                 'ActionController::verify',
-                'auth-action-verify',
+                'auth-action-verify', // Route name
             ],
         ],
     ];