From f64c4e12e8a96401190148198cf9b90fabfaf500 Mon Sep 17 00:00:00 2001
From: Kevin Franklin Kim <franklin@weareinteractive.com>
Date: Tue, 15 Feb 2022 18:10:10 +0100
Subject: [PATCH] fix: use undefined

---
 typscriptclientasync.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/typscriptclientasync.go b/typscriptclientasync.go
index 1e46979..5aead5f 100644
--- a/typscriptclientasync.go
+++ b/typscriptclientasync.go
@@ -113,7 +113,7 @@ func renderTypescriptClientAsync(service *Service, mappings config.TypeScriptMap
 					retField.Value.tsType(mappings, scalars, structs, firstReturnTypeTS)
 					firstReturnType = firstReturnTypeTS.string()
 					if isNilable {
-						firstReturnType += "|null"
+						firstReturnType += "|undefined"
 					}
 					//firstReturnFieldName = retArgName
 				}