From 746448e57c789b5eaae879eb71a25b8fd8c07020 Mon Sep 17 00:00:00 2001
From: jang_yoonsu <shagrat8546@gmail.com>
Date: Mon, 22 Apr 2024 23:13:01 +0900
Subject: [PATCH 1/2] Fix error message handling final slash in title

---
 code/lib/manager-api/src/lib/stories.ts | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/code/lib/manager-api/src/lib/stories.ts b/code/lib/manager-api/src/lib/stories.ts
index 9d6b1817e677..368edacc598a 100644
--- a/code/lib/manager-api/src/lib/stories.ts
+++ b/code/lib/manager-api/src/lib/stories.ts
@@ -194,13 +194,7 @@ export const transformStoryIndexToStoriesHash = (
       const id = sanitize(parent ? `${parent}-${name}` : name!);
 
       if (parent === id) {
-        throw new Error(
-          dedent`
-          Invalid part '${name}', leading to id === parentId ('${id}'), inside title '${title}'
-          
-          Did you create a path that uses the separator char accidentally, such as 'Vue <docs/>' where '/' is a separator char? See https://github.com/storybookjs/storybook/issues/6128
-          `
-        );
+        throw new Error(dedent`Invalid title ${title} ending in slash.`);
       }
       list.push(id);
       return list;

From 80144601f69d338f9b2df552de47916277bd98f9 Mon Sep 17 00:00:00 2001
From: jang_yoonsu <shagrat8546@gmail.com>
Date: Sat, 4 May 2024 20:12:57 +0900
Subject: [PATCH 2/2] fix: clarify error messaging for title validation in path
 generation

---
 code/lib/manager-api/src/lib/stories.ts | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/code/lib/manager-api/src/lib/stories.ts b/code/lib/manager-api/src/lib/stories.ts
index 368edacc598a..3569cd29756e 100644
--- a/code/lib/manager-api/src/lib/stories.ts
+++ b/code/lib/manager-api/src/lib/stories.ts
@@ -193,9 +193,19 @@ export const transformStoryIndexToStoriesHash = (
       const parent = idx > 0 && list[idx - 1];
       const id = sanitize(parent ? `${parent}-${name}` : name!);
 
-      if (parent === id) {
+      if (name.trim() === '') {
         throw new Error(dedent`Invalid title ${title} ending in slash.`);
       }
+
+      if (parent === id) {
+        throw new Error(
+          dedent`
+          Invalid part '${name}', leading to id === parentId ('${id}'), inside title '${title}'
+          
+          Did you create a path that uses the separator char accidentally, such as 'Vue <docs/>' where '/' is a separator char? See https://github.com/storybookjs/storybook/issues/6128
+          `
+        );
+      }
       list.push(id);
       return list;
     }, [] as string[]);