webpack.config.js

/* eslint-disable @typescript-eslint/no-var-requires */
const path = require('path');
const webpack = require('webpack');
const CopyPlugin = require('copy-webpack-plugin');

module.exports = {
  entry: {
    app: './src/main.ts',
    // vendors: ['phaser'],
  },
  
  externals: {
    phaser: 'Phaser',
  },

  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
    ],
  },

  devtool: 'inline-source-map',

  resolve: {
    extensions: ['.ts', '.tsx', '.js'],
  },

  output: {
    filename: 'app.bundle.js',
    path: path.resolve(__dirname, 'dist'),
  },

  mode: 'development',

  devServer: {
    contentBase: path.resolve(__dirname, 'dist'),
    writeToDisk: true,
    open: true,
  },

  plugins: [
    new CopyPlugin({
      patterns: [
        {
          from: 'index.html',
        },
        {
          from: 'assets/**',
        },
      ],
    }),
    new webpack.DefinePlugin({
      'typeof CANVAS_RENDERER': JSON.stringify(true),
      'typeof WEBGL_RENDERER': JSON.stringify(true),
    }),
  ],

  // optimization: {
  //   splitChunks: {
  //     cacheGroups: {
  //       commons: {
  //         test: /[\\/]node_modules[\\/]/,
  //         name: 'vendors',
  //         chunks: 'all',
  //       },
  //     },
  //   },
  // },
};