webpack.config.js

var path = require('path');
var webpack = require('webpack');
var uglifyJsPlugin = webpack.optimize.UglifyJsPlugin;
var definePlugin = webpack.DefinePlugin;

// webpack for demo website
module.exports = {
  entry: './demo/src/index.js',
  output: {
    path: path.resolve(__dirname, './demo/dist'),
    filename: 'bundle.js'
  },
  module: {
    loaders:[{
      test: /\.jsx?$/,
      exclude: /node_modules/,
      loader: 'babel-loader'
    }, {
      test: /\.css$/,
      loader: 'style-loader!css-loader'
    }, {
      test: /\.(png|jpg)$/,
      loader: 'url-loader?limit=512'
    }]
  },
  resolve: {
    extensions: ['.js', '.jsx']
  },
  externals: {
    echarts: 'window.echarts',
  },
  plugins: [
   new uglifyJsPlugin({compress: {warnings: false}}),
   new definePlugin({'process.env': {NODE_ENV: '"production"'}})
  ],
  devtool: 'source-map'
};