From f51df921a0791fc0769a4c948843ed2f593668ce Mon Sep 17 00:00:00 2001
From: kristiaanvandeneynde <kristiaanvandeneynde@1345130.no-reply.drupal.org>
Date: Wed, 27 Oct 2021 14:38:38 +0500
Subject: [PATCH] Issue #3245953 by kristiaanvandeneynde:
 TwigExtension::drupalTitle() should check for NullRouteMatch

---
 src/TwigExtension.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/TwigExtension.php b/src/TwigExtension.php
index cccf5b0..4ccbfc0 100644
--- a/src/TwigExtension.php
+++ b/src/TwigExtension.php
@@ -888,10 +888,10 @@ class TwigExtension extends AbstractExtension {
    *   A render array to represent page title.
    */
   public function drupalTitle() {
-    $title = \Drupal::service('title_resolver')->getTitle(
-      \Drupal::request(),
-      \Drupal::routeMatch()->getRouteObject()
-    );
+    $title = NULL;
+    if ($route = \Drupal::routeMatch()->getRouteObject()) {
+      $title = \Drupal::service('title_resolver')->getTitle(\Drupal::request(), $route);
+    }
     $build['#markup'] = render($title);
     $build['#cache']['contexts'] = ['url'];
     return $build;