webpack.dll.config.js

const webpack = require('webpack');

const library = '[name]_lib';
const path = require('path');

module.exports = {
  entry: {
    vendors: [
      'react',
      'react-dom',
      'react-redux',
      'react-router',
      'react-router-dom',
      'redux',
      'redux-saga',
    ],
  },

  output: {
    filename: '[name].dll.js',
    path: path.resolve(__dirname, 'dll'),
    library,
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: JSON.stringify('production'),
      },
    }),
    new webpack.DllPlugin({
      path: path.join(__dirname, 'dll/[name]-manifest.json'),
      context: __dirname,
      name: library,
    }),
    // new webpack.optimize.ModuleConcatenationPlugin(), // 模块串联，大幅减少包大小257k =》239k
    new webpack.optimize.UglifyJsPlugin({
      compress: {
        warnings: false,
      },
      mangle: {
        except: ['exports', 'require'],
      },
    }),
  ],
};