new webpack.optimize.UglifyJsPlugin({
        minimize: true,
        sourceMap: false,
        compress: {
            warnings: false,
            sequences: true,
            dead_code: true,
            conditionals: true,
            booleans: true,
            unused: true,
            if_return: true,
            join_vars: true,
            drop_console: true
        }
    }),