From 2326b42e45d0f165edb22f68d405d721edfa5830 Mon Sep 17 00:00:00 2001
From: Alex Kocharin <alex@kocharin.ru>
Date: Fri, 10 Jun 2022 16:58:28 +0300
Subject: [PATCH] Permit a deflateParams() parameter change as soon as
 possible.

https://github.com/madler/zlib/commit/f9694097dd69354b03cb8af959094c7f260db0a1
---
 lib/zlib/deflate.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/zlib/deflate.js b/lib/zlib/deflate.js
index fe5f7c9..b7a2d3f 100644
--- a/lib/zlib/deflate.js
+++ b/lib/zlib/deflate.js
@@ -1419,7 +1419,7 @@ const deflateResetKeep = (strm) => {
     0  // crc32(0, Z_NULL, 0)
   :
     1; // adler32(0, Z_NULL, 0)
-  s.last_flush = Z_NO_FLUSH;
+  s.last_flush = -2;
   _tr_init(s);
   return Z_OK;
 };