Enable CSS sourcemaps in production (#2168)

gaearon · web-flow · commit 9b231d461dab · 2017-05-16T00:52:39.000+01:00
diff --git a/packages/react-scripts/config/webpack.config.prod.js b/packages/react-scripts/config/webpack.config.prod.js
@@ -194,6 +194,7 @@ module.exports = {
                   options: {
                     importLoaders: 1,
                     minimize: true,
+                    sourceMap: true,
                   },
                 },
                 {
