webpack.common.js

const HtmlWebpackPlugin = require('html-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');

module.exports = {
  entry: ['./src/index.tsx'],
  module: {
    rules: [
      {
        test: /\.(js)$/,
        exclude: /node_modules/,
        use: ['babel-loader'],
      },
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.(png|jpg|gif)$/i,
        use: ['file-loader'],
      },
      {
        test: /\.(glsl|frag|vert)$/,
        use: ['raw-loader', 'glslify-loader'],
      },
    ],
  },
  resolve: {
    extensions: ['.tsx', '.ts', '.js'],
  },
  plugins: [ 
    new HtmlWebpackPlugin({
      template: './src/index.html',
      minify: {
        minifyCSS: true,
        collapseWhitespace: true,
        keepClosingSlash: true,
        removeComments: true,
        removeRedundantAttributes: true,
        removeScriptTypeAttributes: true,
        removeStyleLinkTypeAttributes: true,
        useShortDoctype: true
      }
    }),
    new CleanWebpackPlugin()
  ],
};