From c9001ab98a5786769e63e8c794239ff13790acca Mon Sep 17 00:00:00 2001
From: HiDeoo <494699+HiDeoo@users.noreply.github.com>
Date: Fri, 29 Mar 2024 15:25:31 +0100
Subject: [PATCH] fix: fixes validation issue with the Astro `trailingSlash`
 option for root pages

---
 packages/starlight-links-validator/libs/validation.ts        | 5 +++--
 .../tests/fixtures/trailing-always/src/content/docs/index.md | 5 +++++
 .../tests/fixtures/trailing-always/src/content/docs/test.md  | 2 ++
 .../tests/fixtures/trailing-never/src/content/docs/index.md  | 5 +++++
 .../tests/fixtures/trailing-never/src/content/docs/test.md   | 2 ++
 5 files changed, 17 insertions(+), 2 deletions(-)
 create mode 100644 packages/starlight-links-validator/tests/fixtures/trailing-always/src/content/docs/index.md
 create mode 100644 packages/starlight-links-validator/tests/fixtures/trailing-never/src/content/docs/index.md

diff --git a/packages/starlight-links-validator/libs/validation.ts b/packages/starlight-links-validator/libs/validation.ts
index 875876f..97e6ec8 100644
--- a/packages/starlight-links-validator/libs/validation.ts
+++ b/packages/starlight-links-validator/libs/validation.ts
@@ -151,8 +151,9 @@ function validateLink(context: ValidationContext) {
   }
 
   if (
-    (astroConfig.trailingSlash === 'always' && !path.endsWith('/')) ||
-    (astroConfig.trailingSlash === 'never' && path.endsWith('/'))
+    path.length > 0 &&
+    ((astroConfig.trailingSlash === 'always' && !path.endsWith('/')) ||
+      (astroConfig.trailingSlash === 'never' && path.endsWith('/')))
   ) {
     addError(errors, filePath, link, ValidationErrorType.TrailingSlash)
     return
diff --git a/packages/starlight-links-validator/tests/fixtures/trailing-always/src/content/docs/index.md b/packages/starlight-links-validator/tests/fixtures/trailing-always/src/content/docs/index.md
new file mode 100644
index 0000000..e9dde0f
--- /dev/null
+++ b/packages/starlight-links-validator/tests/fixtures/trailing-always/src/content/docs/index.md
@@ -0,0 +1,5 @@
+---
+title: Home
+---
+
+This is the home page.
diff --git a/packages/starlight-links-validator/tests/fixtures/trailing-always/src/content/docs/test.md b/packages/starlight-links-validator/tests/fixtures/trailing-always/src/content/docs/test.md
index e3a9cf4..ca2615b 100644
--- a/packages/starlight-links-validator/tests/fixtures/trailing-always/src/content/docs/test.md
+++ b/packages/starlight-links-validator/tests/fixtures/trailing-always/src/content/docs/test.md
@@ -6,6 +6,8 @@ title: Test
 
 - [External link](https://starlight.astro.build/)
 
+- [Honme page](/)
+
 - [Example page](/guides/example)
 - [Example page](/guides/example/)
 
diff --git a/packages/starlight-links-validator/tests/fixtures/trailing-never/src/content/docs/index.md b/packages/starlight-links-validator/tests/fixtures/trailing-never/src/content/docs/index.md
new file mode 100644
index 0000000..e9dde0f
--- /dev/null
+++ b/packages/starlight-links-validator/tests/fixtures/trailing-never/src/content/docs/index.md
@@ -0,0 +1,5 @@
+---
+title: Home
+---
+
+This is the home page.
diff --git a/packages/starlight-links-validator/tests/fixtures/trailing-never/src/content/docs/test.md b/packages/starlight-links-validator/tests/fixtures/trailing-never/src/content/docs/test.md
index e3a9cf4..ca2615b 100644
--- a/packages/starlight-links-validator/tests/fixtures/trailing-never/src/content/docs/test.md
+++ b/packages/starlight-links-validator/tests/fixtures/trailing-never/src/content/docs/test.md
@@ -6,6 +6,8 @@ title: Test
 
 - [External link](https://starlight.astro.build/)
 
+- [Honme page](/)
+
 - [Example page](/guides/example)
 - [Example page](/guides/example/)