webpack.config.js

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

module.exports = {
  entry: './src/app/index.tsx',
  output: {
    filename: 'main.js',
    path: path.resolve(__dirname, 'dist/app'),
    clean: true,
  },
  devtool: 'inline-source-map',
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.worker\.js/,
        use: { loader: 'worker-loader' },
      },
    ],
  },
  resolve: {
    extensions: ['.tsx', '.ts', '.js'],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: __dirname + '/src/app/index.html',
      filename: 'index.html',
      inject: 'body',
    }),
    new CopyPlugin({
      patterns: [
        {
          from: 'node_modules/vscode-material-icons/generated/icons',
          to: 'assets/icons',
        },
      ],
    }),
  ],
};