Fixed code to make the test pass

JoshuaKGoldberg · Feb 6, 2023 · d64c9be · d64c9be
1 parent 83b4771
commit d64c9be
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/src/types/utilities.ts b/src/types/utilities.ts
@@ -95,10 +95,8 @@ function isReadonlyPropertyFromMappedType(
 
 	const { modifiersType } = type as { modifiersType?: ts.Type };
 
-	return /* modifiersType && */ isPropertyReadonlyInType(
-		modifiersType!,
-		name,
-		typeChecker
+	return (
+		modifiersType && isPropertyReadonlyInType(modifiersType, name, typeChecker)
 	);
 }