react : code splitting

1、webpack config

output: {
    ...
    chunkFilename: 'js/[name].min.js'
    ...
}

optimization: {
    splitChunks: {
           cacheGroups: {
               default: false,
               vendors: false,
               vender: {
                  name: 'vendor',
                  chunks: 'all',
                  test: /node_modules/,
                  reuseExistingChunk:true
        }
     }
 }
                

2、react-loadable