From 4a0897a2de43beb0b01a9af2fdb48dea5d3611b6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Fromme?= <fromme@dreipunktnull.com>
Date: Tue, 4 Feb 2025 15:04:49 +0100
Subject: [PATCH] fix: avoid null-pointer exception

---
 src/Twig/AppRuntime.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Twig/AppRuntime.php b/src/Twig/AppRuntime.php
index d3afdfd..5b82edc 100644
--- a/src/Twig/AppRuntime.php
+++ b/src/Twig/AppRuntime.php
@@ -156,8 +156,12 @@ class AppRuntime implements RuntimeExtensionInterface
         return sprintf('<span class="%s">%s</span>', $class, $label);
     }
 
-    public function nl2List(string $content, string $class = 'list-disc pl-4'): string
+    public function nl2List(?string $content, string $class = 'list-disc pl-4'): string
     {
+        if (null === $content) {
+            return '';
+        }
+
         $items = explode(PHP_EOL, $content);
 
         $list = '<ul class="'.$class.'">';