From 31a38b34c409afd7be0a637b3d649462d05e86a5 Mon Sep 17 00:00:00 2001
From: Marco Fugaro <marco.fugaro@gmail.com>
Date: Wed, 19 Apr 2017 12:40:42 +0200
Subject: [PATCH] removed options in UglifyJsPlugin which are equal to the
 defaults (#1993)

* removed redundant already default options in UglifyJsPlugin

* re-enabled remove comments Uglify option

JSDoc-style comments weren't being removed
---
 packages/react-scripts/config/webpack.config.prod.js | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/packages/react-scripts/config/webpack.config.prod.js b/packages/react-scripts/config/webpack.config.prod.js
index 01e9d6fe7..f36c3d56b 100644
--- a/packages/react-scripts/config/webpack.config.prod.js
+++ b/packages/react-scripts/config/webpack.config.prod.js
@@ -258,15 +258,10 @@ module.exports = {
     // Minify the code.
     new webpack.optimize.UglifyJsPlugin({
       compress: {
-        screw_ie8: true, // React doesn't support IE8
         warnings: false,
       },
-      mangle: {
-        screw_ie8: true,
-      },
       output: {
         comments: false,
-        screw_ie8: true,
       },
       sourceMap: true,
     }),
-- 
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