Merge pull request #160 from meziantou/fix-nre

Fix NullReferenceException in ChangeDeclarations
AngleSharp · Feb 26, 2024 · c1c83ee · c1c83ee
2 parents 0652a66 + b36924d
commit c1c83ee
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/AngleSharp.Css/Dom/Internal/CssStyleDeclaration.cs b/src/AngleSharp.Css/Dom/Internal/CssStyleDeclaration.cs
@@ -377,6 +377,11 @@ private void RemovePropertyByName(String propertyName)
 
         private void ChangeDeclarations(IEnumerable<ICssProperty> decls, Predicate<ICssProperty> defaultSkip, Func<ICssProperty, ICssProperty, Boolean> removeExisting)
         {
+            if (decls is null)
+            {
+                return;
+            }
+
             var declarations = new List<ICssProperty>();
 
             foreach (var newdecl in decls)