webpack.config.js

const path = require('path')
const HtmlWebPackPlugin = require('html-webpack-plugin')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')

module.exports = {
  entry: './src/index.js',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js'
  },
  resolve: {
    extensions: ['.js', '.jsx']
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader'
        }
      },
      {
        test: /\.html$/,
        use: [
          {
            loader: 'html-loader'
          }
        ]
      },
      {
        test: /\.(s*)css$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader
          },
          'css-loader',
          'sass-loader'
        ]
      },
      {
        test: /\.jpg|png|gif|woff|eot|ttf|svg|mp4|webm$/,
        use: {
          loader: 'file-loader',
          options: {
            name: '[hash].[ext]',
            outputPath: 'assets'
          }
        }
      }
    ]
  },
  plugins: [
    new HtmlWebPackPlugin({
      template: './public/index.html',
      filename: './index.html'
    }),
    new MiniCssExtractPlugin({
      filename: 'assets/[name].css'
    })
  ]
}