webpack.common.js

const path = require('path')
const CleanWebpackPlugin = require('clean-webpack-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')

module.exports = {
  mode: 'development',
  entry: './src/client',
  output: {
    path: path.join(__dirname, '/public'),
    filename: 'js/[hash].bundle.js',
    publicPath: '/'
  },
  plugins: [
    new CleanWebpackPlugin(),
    new HtmlWebpackPlugin({
      template: './src/client/index.html'
    })
  ],
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        use: ['source-map-loader'],
        enforce: 'pre'
      },
      {
        test: /\.bundle\.js$/,
        use: {
          loader: 'bundle-loader'
        }
      },
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        loader: 'babel-loader'
      },
      {
        test: /\.less$/,
        use: [
          {
            loader: 'style-loader'
          },
          {
            loader: 'css-loader',
            options: {
              sourceMap: true
            }
          },
          {
            loader: 'less-loader',
            options: {
              sourceMap: true,
              paths: [path.resolve(__dirname, 'node_modules')]
            }
          }
        ]
      },
      {
        test: /\.(png|jpe?g|gif)$/,
        use: [
          {
            loader: 'file-loader',
            options: {
              outputPath: 'assets'
            }
          }
        ]
      },
      {
        test: /\.(html)$/,
        use: {
          loader: 'html-loader'
        }
      }
    ]
  },
  resolve: {
    extensions: ['.js', '.jsx', '.less']
  }
}