From c1297645585386880cd74d3b6a750d059baf609b Mon Sep 17 00:00:00 2001
From: Kristen Pol <kristen.pol@gmail.com>
Date: Tue, 30 Jan 2024 16:37:04 -0800
Subject: [PATCH] Added check for empty language prefix.

---
 src/EventSubscriber/CollectionSubscriber.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/EventSubscriber/CollectionSubscriber.php b/src/EventSubscriber/CollectionSubscriber.php
index c597d722..a4bed6e9 100644
--- a/src/EventSubscriber/CollectionSubscriber.php
+++ b/src/EventSubscriber/CollectionSubscriber.php
@@ -310,10 +310,12 @@ public function collectRoutes(CollectRoutesEvent $event) {
             $base = \Drupal::request()->getBaseUrl();
             $event->queueItem(['route' => $base . "/{$path}"]);
 
-            // Languge negotiation may also provide path prefixes.
+            // Language negotiation may also provide path prefixes.
             if ($prefixes = \Drupal::config('language.negotiation')->get('url.prefixes')) {
               foreach ($prefixes as $prefix) {
-                $event->queueItem(['route' => "/{$prefix}/{$path}"]);
+                if ($prefix) {
+                  $event->queueItem(['route' => "/{$prefix}/{$path}"]);
+                }
               }
             }
           }