From 0155372379516f5a63120fc6a4c849ca8e511e23 Mon Sep 17 00:00:00 2001
From: Katerina Skroumpelou <mandarini@users.noreply.github.com>
Date: Mon, 28 Mar 2022 19:24:50 +0300
Subject: [PATCH] fix(storybook): optional references in tsconfig (#9561)

---
 .../storybook/src/generators/configuration/configuration.ts   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/storybook/src/generators/configuration/configuration.ts b/packages/storybook/src/generators/configuration/configuration.ts
index cd4bab1602650..4d28b0847447b 100644
--- a/packages/storybook/src/generators/configuration/configuration.ts
+++ b/packages/storybook/src/generators/configuration/configuration.ts
@@ -249,8 +249,8 @@ function configureTsSolutionConfig(
   const tsConfigContent = readJson<TsConfig>(tree, tsConfigPath);
 
   if (
-    !tsConfigContent.references
-      .map((reference) => reference.path)
+    !tsConfigContent?.references
+      ?.map((reference) => reference.path)
       .includes('./.storybook/tsconfig.json')
   ) {
     tsConfigContent.references = [