webpack.config.js

var path = require('path')
var webpack = require('webpack')

module.exports = {
  devtool: 'cheap-module-eval-source-map',
  entry: [
    'react-hot-loader/patch',
    'webpack/hot/only-dev-server', //HRM更新时刷新整个页面，如果是only-dev-server是手动刷新
    `${__dirname}/client/index.js`
  ],
  output: {
    filename: '[name].js',
    path: path.join(__dirname, 'public'),
    publicPath: '/'
  },
  resolve: {
    extensions: ['.js', '.jsx']
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        loaders: ['babel-loader'],
        include: [path.join(__dirname, 'client')]
      },
      {
        test: /\.css$/,
        include: [path.join(__dirname, 'client')],
        use: ['style-loader', 'css-loader', 'postcss-loader']
      }
    ]
  },
  plugins: [
    // new webpack.HotModuleReplacementPlugin(), // 启用 HMR
    new webpack.NamedModulesPlugin(),
    new webpack.NoEmitOnErrorsPlugin()
  ],
  devServer: {
    hot: true,
    inline: true,
    host: 'localhost',
    port: 3333,
    contentBase: path.resolve(__dirname, 'public')
  }
}