webpack.config.js

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

module.exports = {
  entry: {
    index: {
      import: './src/index.js',
      dependOn: 'shared',
    },
    shared: 'lodash',
  },
  output: {
    path: path.resolve(__dirname, 'build'),
    filename: '[name].bundle.js',
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        include: path.resolve(__dirname, 'src/'),
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: [['env', { targets: { node: 'current' } }]],
          },
        },
      },
    ],
  },
  devServer: {
    contentBase: path.resolve(__dirname, 'build'),
  },
  plugins: [
    new CopyPlugin({
      patterns: [
        { from: path.resolve(__dirname, 'index.html'), to: path.resolve(__dirname, 'build') },
        { from: path.resolve(__dirname, 'assets', '**', '*'), to: path.resolve(__dirname, 'build') },
      ],
    }),
    new webpack.DefinePlugin({
      'typeof CANVAS_RENDERER': JSON.stringify(true),
      'typeof WEBGL_RENDERER': JSON.stringify(true),
    }),
    new HtmlWebpackPlugin({
      title: 'EypSrcnShooterGame',
    }),
  ],
  devtool: 'source-map',
  optimization: {
    runtimeChunk: 'single',
    splitChunks: {
      cacheGroups: {
        vendor: {
          test: /[\\/]node_modules[\\/]/,
          name: 'vendors',
          chunks: 'all',
        },
      },
    },
  },
};