From d8a171b6b45c73151485fe8f08630fb6a1cc12a6 Mon Sep 17 00:00:00 2001
From: Chris Swithinbank
Date: Fri, 26 May 2023 12:00:05 +0200
Subject: Fix autogenerated sidebar bug with index routes in subdirectories

---
 .changeset/lovely-pigs-trade.md        | 5 +++++
 packages/starlight/utils/navigation.ts | 2 ++
 2 files changed, 7 insertions(+)
 create mode 100644 .changeset/lovely-pigs-trade.md

diff --git a/.changeset/lovely-pigs-trade.md b/.changeset/lovely-pigs-trade.md
new file mode 100644
index 00000000..e765c6fd
--- /dev/null
+++ b/.changeset/lovely-pigs-trade.md
@@ -0,0 +1,5 @@
+---
+"@astrojs/starlight": patch
+---
+
+Fix autogenerated sidebar bug with index routes in subdirectories
diff --git a/packages/starlight/utils/navigation.ts b/packages/starlight/utils/navigation.ts
index 1d5a1764..e7e6a91e 100644
--- a/packages/starlight/utils/navigation.ts
+++ b/packages/starlight/utils/navigation.ts
@@ -114,6 +114,8 @@ function makeLink(href: string, label: string, currentPathname: string): Link {
 
 /** Get the segments leading to a page. */
 function getBreadcrumbs(slug: string, baseDir: string): string[] {
+  // Index slugs will match `baseDir` and don’t include breadcrumbs.
+  if (slug === baseDir) return [];
   // Ensure base directory ends in a trailing slash.
   if (!baseDir.endsWith('/')) baseDir += '/';
   // Strip base directory from slug if present.
-- 
cgit