Fix exports support

diff --git a/src/htmlminifier.js b/src/htmlminifier.js
index 2037f30..39be0c5 100644 (file)
--- a/src/htmlminifier.js
+++ b/src/htmlminifier.js
@@ -831,4 +831,4 @@
     global.minify = minify;
   }
 
-}(this));
+}(typeof exports === 'undefined' ? this : exports));