From b6ef5e9aab555e6ea72833d018e260eefdaacfcd Mon Sep 17 00:00:00 2001
From: Kasper Peulen <kasperpeulen@gmail.com>
Date: Wed, 20 Mar 2024 11:53:29 +0100
Subject: [PATCH] Merge pull request #26516 from
 storybookjs/kasper/allow-empty-component-title

Bug: Remove redundant component check, as we auto-generate titles from the file system
(cherry picked from commit b389754b577cef15ddb19b2d87c5a650a3047ba3)
---
 code/lib/csf-tools/src/CsfFile.test.ts | 12 ++++++++++--
 code/lib/csf-tools/src/CsfFile.ts      |  8 --------
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/code/lib/csf-tools/src/CsfFile.test.ts b/code/lib/csf-tools/src/CsfFile.test.ts
index 7e0d223a23af..21e902cce52f 100644
--- a/code/lib/csf-tools/src/CsfFile.test.ts
+++ b/code/lib/csf-tools/src/CsfFile.test.ts
@@ -619,7 +619,7 @@ describe('CsfFile', () => {
     });
 
     it('no metadata', () => {
-      expect(() =>
+      expect(
         parse(
           dedent`
           export default { foo: '5' };
@@ -627,7 +627,15 @@ describe('CsfFile', () => {
           export const B = () => {};
       `
         )
-      ).toThrow('CSF: missing title/component');
+      ).toMatchInlineSnapshot(`
+        meta:
+          title: Default Title
+        stories:
+          - id: default-title--a
+            name: A
+          - id: default-title--b
+            name: B
+      `);
     });
 
     it('dynamic titles', () => {
diff --git a/code/lib/csf-tools/src/CsfFile.ts b/code/lib/csf-tools/src/CsfFile.ts
index f1cce083da96..4516a293b1cc 100644
--- a/code/lib/csf-tools/src/CsfFile.ts
+++ b/code/lib/csf-tools/src/CsfFile.ts
@@ -478,14 +478,6 @@ export class CsfFile {
       throw new NoMetaError('missing default export', self._ast, self._fileName);
     }
 
-    if (!self._meta.title && !self._meta.component) {
-      throw new Error(dedent`
-        CSF: missing title/component ${formatLocation(self._ast, self._fileName)}
-
-        More info: https://storybook.js.org/docs/react/writing-stories#default-export
-      `);
-    }
-
     // default export can come at any point in the file, so we do this post processing last
     const entries = Object.entries(self._stories);
     self._meta.title = this._makeTitle(self._meta?.title as string);