From b82a71ab414edcdb9858fc856d09d93e343dcd25 Mon Sep 17 00:00:00 2001
From: Kevin Jahns <kevin.jahns@protonmail.com>
Date: Fri, 14 Nov 2025 00:57:19 +0100
Subject: [PATCH] y.map should accept objects without constructor

---
 src/types/AbstractType.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/types/AbstractType.js b/src/types/AbstractType.js
index 1f4f04dd..59484d31 100644
--- a/src/types/AbstractType.js
+++ b/src/types/AbstractType.js
@@ -1045,6 +1045,7 @@ export const typeListInsertGenericsAfter = (transaction, parent, referenceItem,
       switch (c.constructor) {
         case Number:
         case Object:
+        case undefined:
         case Boolean:
         case Array:
         case String: