webpack.config.js

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

module.exports = {
  entry: './src/index.js',
  mode: 'development',
  output: {
    filename: 'index.js',
    publicPath: '/',
    path: path.resolve(__dirname, 'dist'),
  },
  devtool: 'source-map',
  plugins: [
    new HtmlWebpackPlugin({
      template: 'src/index.html',
    }),
  ],
  devServer: {
    static: path.join(__dirname, 'dist'),
    compress: true,
    port: 3000,
  },
  module: {
    rules: [
      {
        test: /\.html$/i,
        exclude: /node_modules/,
        loader: 'html-loader',
      },
      {
        test: /\.m?js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            'presets': [['@babel/preset-env', { targets: { chrome: '80' } }]],
          }
        },
      },
    ],
  },
}