From e3b99f800b27de803a6cb43e3bd9214b68151468 Mon Sep 17 00:00:00 2001
From: Frank Li <frankli1@fb.com>
Date: Tue, 18 Jul 2017 16:52:47 -0700
Subject: [PATCH] Update server routing for "docs" urls

---
 lib/server/server.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/server/server.js b/lib/server/server.js
index eb0f432116..eb73f9a603 100644
--- a/lib/server/server.js
+++ b/lib/server/server.js
@@ -116,7 +116,7 @@ function execute(port) {
   reloadMetadataCategories();
 
   /* handle all requests for document pages */
-  const app = express().get(/docs\/[\s\S]*html$/, (req, res) => {
+  const app = express().get(/docs\/[\s\S]*html$/, (req, res, next) => {
     purgeCache(CWD + "/siteConfig.js");
     siteConfig = require(CWD + "/siteConfig.js");
 
@@ -138,6 +138,9 @@ function execute(port) {
 
     let file = links[req.path.toString().replace(siteConfig.baseUrl, "")];
     file = CWD + "/../" + file;
+    if (!fs.existsSync(file)) {
+      next();
+    }
     console.log(file);
     const result = readMetadata.processMetadata(file);