webpack.config.js

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

module.exports = {
  entry: './res/index.js',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'public')
  },
  resolve: {
    extensions: ['.js', '.scss']
  },
  module: {
    rules: [
      {
        test: /\.scss$/,
        use: [
          'style-loader',
          'css-loader',
          'sass-loader'
        ]
      }
    ]
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin(),
    new HtmlWebpackPlugin({
      template: './public/index.html',
      filename: 'index.html'
    })
  ],
  devServer: {
    static: {
      directory: path.join(__dirname, 'public'),
    },
    watchFiles: ['public/**/*'],
    compress: true,
    port: 8023,
    hot: true
  }
};