From 48c06e86fa3a055ded54746579534f8f2d0e04c4 Mon Sep 17 00:00:00 2001
From: Alon Zakai <azakai@google.com>
Date: Thu, 27 Feb 2020 09:16:43 -0800
Subject: [PATCH] Use closure in optpng build, which shrinks the JS to less
 than half.

---
 codecs/optipng/build.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/codecs/optipng/build.sh b/codecs/optipng/build.sh
index 5f4c3927..3a523b59 100755
--- a/codecs/optipng/build.sh
+++ b/codecs/optipng/build.sh
@@ -27,6 +27,7 @@ echo "============================================="
   emcc \
     --bind \
     ${OPTIMIZE} \
+    --closure 1 \
     -s ALLOW_MEMORY_GROWTH=1 -s MODULARIZE=1 -s 'EXPORT_NAME="optipng"' \
     -o "optipng.js" \
     --std=c++11 \