From c84f3f0b2d39261c990d7b7319a3da669aaee8a5 Mon Sep 17 00:00:00 2001
From: slorber <lorber.sebastien@gmail.com>
Date: Thu, 23 Jul 2020 19:11:14 +0200
Subject: [PATCH] broken links: we should ignore folders when looking for
 existing files in the build folder

---
 packages/docusaurus/src/server/brokenLinks.ts | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/packages/docusaurus/src/server/brokenLinks.ts b/packages/docusaurus/src/server/brokenLinks.ts
index a07e5ec056d9..31080b58cc24 100644
--- a/packages/docusaurus/src/server/brokenLinks.ts
+++ b/packages/docusaurus/src/server/brokenLinks.ts
@@ -130,14 +130,17 @@ async function filterExistingFileLinks({
   allCollectedLinks: Record<string, string[]>;
 }): Promise<Record<string, string[]>> {
   // not easy to make this async :'(
-  function linkFileDoesNotExist(link: string): boolean {
+  function linkFileExists(link: string): boolean {
     const filePath = `${outDir}/${removePrefix(link, baseUrl)}`;
-    const exists = fs.existsSync(filePath);
-    return !exists;
+    try {
+      return fs.statSync(filePath).isFile(); // only consider files
+    } catch (e) {
+      return false;
+    }
   }
 
   return mapValues(allCollectedLinks, (links) => {
-    return links.filter(linkFileDoesNotExist);
+    return links.filter((link) => !linkFileExists(link));
   });
 }