Allow parsing of ecma 8

facebook · Jan 14, 2018 · a78325c · a78325c
1 parent d783e80
commit a78325c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/react-scripts/config/webpack.config.prod.js b/packages/react-scripts/config/webpack.config.prod.js
@@ -315,7 +315,7 @@ module.exports = {
     // Minify the code.
     new UglifyJsPlugin({
       uglifyOptions: {
-        ecma: 5,
+        ecma: 8,
         compress: {
           warnings: false,
           // Disabled because of an issue with Uglify breaking seemingly valid code: