From 7ce4a27a2ee8d0de900c6918469ba3174fd16338 Mon Sep 17 00:00:00 2001
From: Anton Konovalov <extempl@gmail.com>
Date: Thu, 25 Mar 2021 15:01:58 +0200
Subject: [PATCH] Pass proper stack of an error

---
 lib/core-client/src/preview/loadCsf.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/core-client/src/preview/loadCsf.ts b/lib/core-client/src/preview/loadCsf.ts
index 6d54ec2f5193..2241b582f4a7 100644
--- a/lib/core-client/src/preview/loadCsf.ts
+++ b/lib/core-client/src/preview/loadCsf.ts
@@ -57,7 +57,8 @@ const loadStories = (
             typeof req.resolve === 'function' ? req.resolve(filename) : filename
           );
         } catch (error) {
-          logger.warn(`Unexpected error while loading ${filename}: ${error}`);
+          const errorString = error.message && error.stack ? `${error.message}\n ${error.stack}` : error.toString();
+          logger.warn(`Unexpected error while loading ${filename}: ${errorString}`);
         }
       });
     });