doesn't work in webpack-stream

[cca313]

webpack

const webpackConfig = {
  resolve: {
    root: path.join(__dirname, 'node_modules'),
    alias: {
      components: '../../components', // 组件别名,js里引用路径可直接 'components/xxx/yyy'
      reducers: '../../reducers',
      actions: '../../actions',
      stores: '../../stores',
      helpers: '../../helpers'
    },
    extensions: ['', '.js', '.jsx', '.scss', '.css']
  },
  output: {
    filename: 'js/[name].js',
    chunkFilename: 'js/[id].js?[hash]'
  },
  module: {
    loaders: [
      {
        test: /\.js|jsx$/,
        exclude: /node_modules/,
        loader: 'babel-loader?cacheDirectory'
      },
      {
        test: /\.css$/,
        loader: ('style-loader', 'css-loader')
      },
      {
        test: /\.(png|jpe?g|gif)(\?.*)?$/,
        loader: 'url',
        query: {
          limit: 5000, // 换成你想要得大小
          name: 'images/[name].[ext]?[hash:10]'
        }
      },
      {
        test: /\.(woff2?|eot|ttf|otf|svg)(\?.*)?$/,
        loader: 'url',
        query: {
          limit: 5000, // 换成你想要得大小
          name: 'fonts/[name].[hash:7].[ext]'
        }
      }
    ]
  },
  externals: {
    'react': 'React',
    'react-dom': 'ReactDOM'
  }
}

.babelrc

  "presets": [
    "es2015", "stage-2", "react", "env"
  ],
  "plugins": [
    "transform-class-properties",
    "transform-object-rest-spread",
    ["import",{ "libraryName": "antd", "style": "css" }]
  ],
   "env": {
      "build": {
        "optional": ["optimisation", "minification"]
      }
    }

[cca313]

@sorrycc

[sorrycc]

What's webpack-stream?