From 1127f8def7aa7024a41124679987785a185316aa Mon Sep 17 00:00:00 2001
From: zefie <zefie@zefie.net>
Date: Fri, 13 Aug 2021 17:01:35 -0400
Subject: [PATCH] use HUFFMAN encoding for large files (seems to work)

---
 zefie_wtvp_minisrv/app.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/zefie_wtvp_minisrv/app.js b/zefie_wtvp_minisrv/app.js
index 571bbbc5..b97435b4 100644
--- a/zefie_wtvp_minisrv/app.js
+++ b/zefie_wtvp_minisrv/app.js
@@ -615,8 +615,10 @@ async function sendToClient(socket, headers_obj, data) {
 
             case 2:
                 // zlib DEFLATE implementation
+                var zlib_options = { 'level': 9 };
+                if (uncompressed_content_length > 4194304) zlib_options.strategy = 2;
                 headers_obj['Content-Encoding'] = 'deflate';
-                data = zlib.deflateSync(data, { 'level': 9 });
+                data = zlib.deflateSync(data, zlib_options);
                 break;
         }