tweak fix

microsoft · Dec 19, 2024 · a35d99b · a35d99b
1 parent 07cda04
commit a35d99b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -6267,7 +6267,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
                     return true;
                 }
                 if (requiresAddingUndefined && annotationType) {
-                    annotationType = getOptionalType(annotationType, !isParameter(node));
+                    annotationType = addOptionality(annotationType, !isParameter(node));
                 }
                 return !!annotationType && typeNodeIsEquivalentToType(node, type, annotationType) && existingTypeNodeIsNotReferenceOrIsReferenceWithCompatibleTypeArgumentCount(existing, type);
             },