From 2555b32d833bf0e668cf6a85dc8e21363683e83a Mon Sep 17 00:00:00 2001
From: Kelvin Kavisi <68240897+kekavc24@users.noreply.github.com>
Date: Thu, 4 Jul 2024 17:57:56 +0100
Subject: [PATCH] Use span length to determine true state of `null`

---
 lib/src/map_mutations.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/src/map_mutations.dart b/lib/src/map_mutations.dart
index 5fa0f17..2a2f906 100644
--- a/lib/src/map_mutations.dart
+++ b/lib/src/map_mutations.dart
@@ -227,7 +227,7 @@ SourceEdit _removeFromBlockMap(
   /// Null values have an invalid offset. Include colon.
   ///
   /// See issue open in `package: yaml`.
-  var endOffset = valueNode.value == null
+  var endOffset = valueNode.span.length == 0
       ? keySpan.end.offset + 2
       : getContentSensitiveEnd(valueNode) + 1; // Overeager to avoid issues