webpack.prod.js

const merge = require('webpack-merge')
const UglifyJSPlugin = require('uglifyjs-webpack-plugin')
const webpack = require('webpack')
const common = require('./webpack.common.js')

module.exports = merge(
  common,
  {
    devtool: 'source-map',
    plugins: [
      new webpack.optimize.AggressiveMergingPlugin(),
      new webpack.optimize.DedupePlugin(),
      new UglifyJSPlugin({
        sourceMap: true,
      }),
    ],
  }
)