webpack.config.js

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

module.exports = {
  mode: 'development',
  entry: {
    app: './src/index.ts',
  },
  devtool: 'source-map',
  resolve: {
    extensions: ['.js', '.ts']
  },
  plugins: [
    new CleanWebpackPlugin(),
    new HtmlWebpackPlugin({
      title: 'Development',
      template: 'index.html',
      inject: true
    }),
    new CopyPlugin([
      { from: 'bundle', to: 'dist/bundle' },
    ]),
  ],
  module: {
    rules: [
      {
        test: /\.ts?$/,
        loader: 'ts-loader'
      },
    ]
  },
  output: {
    filename: '[name].bundle.js',
    path: path.resolve(__dirname, 'dist'),
  },
  devServer: {
    port: 8000
  }
};