From 78b0c46c2967130e221be303014b754a0806281c Mon Sep 17 00:00:00 2001
From: "Aode (lion)" <asonix@asonix.dog>
Date: Wed, 10 Nov 2021 17:44:41 -0500
Subject: [PATCH] fix headers sent error

---
 src/api/Webserver.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/api/Webserver.ts b/src/api/Webserver.ts
index 15b848e..242a0b7 100644
--- a/src/api/Webserver.ts
+++ b/src/api/Webserver.ts
@@ -40,7 +40,9 @@ export default class Webserver {
         // We register the default route last to make sure we don't override anything by accident.
         // We'll pass off all other requests to the web app
         this.app.get(/(widgets\/|riot\/|element\/|\/)*/, (_req, res) => {
-            res.sendFile(path.join(__dirname, "..", "..", "web", "index.html"));
+            if (!res.headersSent) {
+                res.sendFile(path.join(__dirname, "..", "..", "web", "index.html"));
+            }
         });
 
         // Set up the error handler