chore(type): correctly copy annotations

deepkit · Jan 29, 2024 · fb60c95 · fb60c95
1 parent f2091d0
commit fb60c95
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/type/src/reflection/type.ts b/packages/type/src/reflection/type.ts
@@ -1264,7 +1264,7 @@ export function copyAndSetParent<T extends ParentLessType>(inc: T, parent?: Type
             type.annotations = {};
             //we have to make copies of each annotation since they get modified when intersected
             for (const prop of Object.getOwnPropertySymbols(inc.annotations)) {
-                type.annotations[prop] = inc.annotations[prop].slice();
+                if (inc.annotations[prop]) type.annotations[prop] = inc.annotations[prop].slice();
             }
         }
         if (inc.decorators) type.decorators = inc.decorators.slice();