From 77d8ee47f52eb43e2c1fdf30a3d39ab8d04ef2dc Mon Sep 17 00:00:00 2001
From: Katerina Skroumpelou <mandarini@users.noreply.github.com>
Date: Thu, 22 Dec 2022 11:45:53 +0200
Subject: [PATCH] fix(storybook): optional-chain typeName (#13951)

---
 packages/react/src/utils/ast-utils.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/react/src/utils/ast-utils.ts b/packages/react/src/utils/ast-utils.ts
index c798f03916..2ebfa55956 100644
--- a/packages/react/src/utils/ast-utils.ts
+++ b/packages/react/src/utils/ast-utils.ts
@@ -629,7 +629,7 @@ export function getComponentPropsInterface(
       (x) => ts.isParameter(x) && (x.name as ts.Identifier).text === 'props'
     );
 
-    if (propsParam && propsParam.type) {
+    if (propsParam?.type?.['typeName']) {
       propsTypeName = (
         (propsParam.type as ts.TypeReferenceNode).typeName as ts.Identifier
       ).text;
@@ -666,10 +666,10 @@ export function getComponentPropsInterface(
         return name === 'Component' || name === 'PureComponent';
       });
 
-      if (propsTypeExpression && propsTypeExpression.typeArguments) {
+      if (propsTypeExpression?.typeArguments?.[0]?.['typeName']) {
         propsTypeName = (
           propsTypeExpression.typeArguments[0] as ts.TypeReferenceNode
-        ).typeName?.getText();
+        ).typeName.getText();
       }
     }
   } else {