Merge pull request #21013 from storybookjs/vite/windows-globs

Vite: Use posix paths for glob

code/lib/builder-vite/src/list-stories.ts

@@ -1,4 +1,4 @@
-import * as path from 'path';
+import * as posixPath from 'node:path/posix'; // Glob requires forward-slashes
 import { promise as glob } from 'glob-promise';
 import { normalizeStories } from '@storybook/core-common';
 
@@ -11,11 +11,14 @@ export async function listStories(options: Options) {
         configDir: options.configDir,
         workingDir: options.configDir,
       }).map(({ directory, files }) => {
-        const pattern = path.join(directory, files);
+        const pattern = posixPath.join(directory, files);
 
-        return glob(path.isAbsolute(pattern) ? pattern : path.join(options.configDir, pattern), {
-          follow: true,
-        });
+        return glob(
+          posixPath.isAbsolute(pattern) ? pattern : posixPath.join(options.configDir, pattern),
+          {
+            follow: true,
+          }
+        );
       })
     )
   ).reduce((carry, stories) => carry.concat(stories), []);