From b9d5983b17adbd238fdb8a41d926dacf53730675 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Sun, 14 Nov 2021 17:53:31 +0100
Subject: Inline style sheet in EJS template to prevent FOUC.

---
 server.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'server.js')

diff --git a/server.js b/server.js
index 470eba9..a6c8394 100644
--- a/server.js
+++ b/server.js
@@ -87,7 +87,14 @@ io.use(passport_socket.authorize({
 	store: session_store,
 }));
 
-app.use(express.static('public'));
+const is_immutable = /\.(svg|png|jpg|jpeg|woff2)$/;
+
+function setHeaders(res, path) {
+	if (is_immutable.test(path))
+		res.set("Cache-Control", "public, max-age=86400, immutable");
+}
+
+app.use(express.static('public', { setHeaders: setHeaders }));
 
 /*
  * MISC FUNCTIONS
-- 
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