Fix autogenerated sidebar bug with index routes in subdirectories

withastro · May 26, 2023 · d8a171b · d8a171b
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diff --git a/.changeset/lovely-pigs-trade.md 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
@@ -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.