webpack.config.js

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

module.exports = {
  mode: 'development',
  devtool: 'inline-source-map',
  entry: {
    app: ['regenerator-runtime/runtime.js', './src/index.js'],
  },
  output: {
    filename: 'app.bundle.js',
    path: path.resolve(__dirname, 'dist'),
  },
  devServer: {
    contentBase: path.resolve(__dirname, 'dist'),
  },
  module: {
    rules: [
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.(ogg|mp3|wav|png|jpe?g|gif)$/i,
        use: [
          {
            loader: 'file-loader',
          },
        ],
      },
      {
        test: /\.m?js$/,
        exclude: /(node_modules|bower_components)/,
        include: path.resolve(__dirname, 'src/'),
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env'],
          },
        },
      },
      {
        test: [/\.vert$/, /\.frag$/],
        use: 'raw-loader',
      },
    ],
  },
  plugins: [
    new webpack.DefinePlugin({
      'typeof WEBGL_RENDERER': JSON.stringify(true),
    }),
    new HtmlWebpackPlugin({
      favicon: './src/assets/favicon.png',
      filename: 'index.html',
      template: '/src/index.html',
      inject: true,
    }),
  ],
};