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: process.env.NODE_ENV,
  entry: './src/index.ts',
  devtool: process.env.NODE_ENV === 'development' ? 'inline-source-map' : undefined,
  module: {
    rules: [
      {
        test: /\.ts$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
    ],
  },
  devServer: {
    contentBase: './dist',
  },
  plugins: [
    new CleanWebpackPlugin(),
    new CopyPlugin([{ from: 'public' }]),
    new HtmlWebpackPlugin({
      template: './public/index.html',
    }),
  ],
  output: {
    filename: '[name].bundle.js',
    path: path.resolve(__dirname, 'dist'),
  },
  resolve: {
    extensions: ['.ts', '.js'],
    alias: {
      src: path.resolve(__dirname, 'src'),
    },
  },
};