From 377a25dc4c51c060e751aeba4d3f946a41de907a Mon Sep 17 00:00:00 2001
From: Cédric Bontems
Date: Tue, 4 Jul 2023 00:06:16 +0200
Subject: Fix broken link on 404 page when `defaultLocale: 'root'` is set
 (#300)

Co-authored-by: Chris Swithinbank <swithinbank@gmail.com>
---
 .changeset/many-tips-battle.md | 5 +++++
 packages/starlight/404.astro   | 7 +++++--
 2 files changed, 10 insertions(+), 2 deletions(-)
 create mode 100644 .changeset/many-tips-battle.md

diff --git a/.changeset/many-tips-battle.md b/.changeset/many-tips-battle.md
new file mode 100644
index 00000000..1e972e88
--- /dev/null
+++ b/.changeset/many-tips-battle.md
@@ -0,0 +1,5 @@
+---
+"@astrojs/starlight": patch
+---
+
+Fix broken link on 404 page when `defaultLocale: 'root'` is set in `astro.config.mjs`
diff --git a/packages/starlight/404.astro b/packages/starlight/404.astro
index ecd95447..cdf76156 100644
--- a/packages/starlight/404.astro
+++ b/packages/starlight/404.astro
@@ -6,7 +6,10 @@ import Page from './layout/Page.astro';
 import type { StarlightDocsEntry } from './utils/routing';
 import { useTranslations } from './utils/translations';
 
-const { lang = 'en', dir = 'ltr', locale } = config.defaultLocale || {};
+const { lang = 'en', dir = 'ltr' } = config.defaultLocale || {};
+let locale = config.defaultLocale?.locale;
+if (locale === 'root') locale = undefined;
+
 const entryMeta = { dir, lang, locale };
 const t = useTranslations(locale);
 
@@ -34,6 +37,6 @@ const entry = userEntry || fallbackEntry;
 const { Content, headings } = await entry.render();
 ---
 
-<Page {headings} entry={entry} slug={entry.slug} {...entryMeta} {entryMeta}>
+<Page {headings} entry={entry} id={entry.id} slug={entry.slug} {...entryMeta} {entryMeta}>
   <Content />
 </Page>
-- 
cgit