webpack.dev.js

const path = require('path');
const LiveReloadPlugin = require('webpack-livereload-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const webpack = require('webpack');

module.exports = {
  mode: 'development',
  entry: './client/main.js',
  output: {
    filename: '[name].bundle.js',
    chunkFilename: '[name].bundle.js',
    path: path.resolve(__dirname, 'public'),
    publicPath: '/'
  },
  optimization: {
    runtimeChunk: 'single',
    splitChunks: {
      cacheGroups: {
        vendor: {
          test: /[\\/]node_modules[\\/]/,
          name: 'vendors',
          chunks: 'all'
        }
      }
    }
  },
  devtool: 'source-map',
  module: {
    rules: [
      {
        test:/\.jsx?$/,
        exclude: /(node_modules|bower_components)/,
        use: {
          loader: 'babel-loader',
        }
      },
      {
        test: /\.css$/,
        use: [ 'style-loader', 'css-loader' ]
      },
      {
        test: /\.svg$/,
        use: {
          loader: 'file-loader',
        }
      }
    ]
  },
  plugins: [ 
    new LiveReloadPlugin({ appendScriptTag: true }),
    new HtmlWebpackPlugin({
      chunksSortMode: 'none',
      template: './client/index.html'
    }),
    new webpack.optimize.ModuleConcatenationPlugin()
  ]
};