webpack.common.js

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

module.exports = {
  entry: {
    index: './src/index.tsx',
  },

  module: {
    rules: [
      {
        test: /\.(ts|js)x?$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: [
              '@babel/preset-env',
              '@babel/preset-react',
              '@babel/preset-typescript',
            ],
          },
        },
      },
    ],
  },
  resolve: {
    extensions: [ '.tsx', '.ts', '.jsx', '.js' ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './public/index.html',
      filename: './index.html',
      favicon: './src/assets/favicon.ico',
      publicPath: '/',
      scriptLoading: 'defer',
    }),
    new CopyPlugin({
      patterns: [
        {from: './src/assets/assets-3d', to: './assets-3d'},
      ],
    }),
    new CleanWebpackPlugin(),
  ],
};