react+webpack -p打包警告

plugins: [

//设置生产模式打包

    new webpack.DefinePlugin({
        "process.env": {
            NODE_ENV: JSON.stringify("production")
        }
    }),

//设置打包过程忽略警告

    new webpack.optimize.UglifyJsPlugin({
        mangle: {
            except: ['$super', '$', 'exports', 'require']
        },
        compress: {
            warnings: false
        }
    })
]