message: Fix Safari / iOS illegal character syntax error
diff: @@ -62,7 +62,8 @@ base.plugins.push(
  'process.env.NODE_ENV': JSON.stringify('production')
  }),
  new BabelMinifyPlugin({
  - mangle: false
  + mangle: false,
  + propertyLiterals: false
  }, {
  comments: false
  }),
  