webpack.config.js

const path = require('path')

const HtmlWebpackPlugin = require('html-webpack-plugin')

/** @type {import('webpack').Configuration} */
const config = {
  mode: 'development',
  entry: {
    bundle: './src/client/main.ts',
  },
  output: {
    path: path.resolve(__dirname, 'public'),
    filename: '[name].js',
  },
  resolve: {
    extensions: ['.ts', '.js', '.scss'],
    alias: {
      '@': path.join(__dirname, 'src'),
    },
  },
  module: {
    rules: [
      {
        test: /\.ts$/,
        use: ['babel-loader', 'ts-loader'],
        exclude: /node_modules/,
      },
      {
        test: /\.scss$/,
        use: ['style-loader', 'css-loader', 'postcss-loader', 'sass-loader'],
        exclude: /node_modules/,
      },
    ],
  },
  optimization: {
    usedExports: true,
    splitChunks: {
      chunks: 'all',
      minSize: 10,
      maxSize: 0,
      minChunks: 1,
      maxAsyncRequests: 6,
      maxInitialRequests: 4,
      automaticNameDelimiter: '~',
      cacheGroups: {
        defaultVendors: {
          test: /[\\/]node_modules[\\/]/,
          priority: -10,
        },
        default: {
          minChunks: 2,
          priority: -20,
          reuseExistingChunk: true,
        },
      },
    },
  },
  plugins: [new HtmlWebpackPlugin({ template: 'src/client/pages/index.html' })],
}

module.exports = config