react-bounding-box/webpack.config.js at main · alx/react-bounding-box · GitHub

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const path = require('path');
const webpack = require('webpack');

module.exports = (env, argv) => {
  const isProduction = argv.mode === 'production';

  return {
    mode: isProduction ? 'production' : 'development',
    entry: {
      main: './src/index.ts',
      hooks: './src/hooks/index.ts',
      utils: './src/utils/index.ts',
      legacy: './src/react-bounding-box.js',
    },
    output: {
      path: path.resolve(__dirname, 'dist'),
      filename: '[name].js',
      library: {
        type: 'umd',
        umdNamedDefine: true,
      },
      globalObject: 'this',
      clean: true,
    },
    externals: {
      react: {
        root: 'React',
        commonjs2: 'react',
        commonjs: 'react',
        amd: 'react',
      },
      'react-dom': {
        root: 'ReactDOM',
        commonjs2: 'react-dom',
        commonjs: 'react-dom',
        amd: 'react-dom',
      },
      'prop-types': {
        root: 'PropTypes',
        commonjs2: 'prop-types',
        commonjs: 'prop-types',
        amd: 'prop-types',
      },
    },
    optimization: {
      minimize: isProduction,
      splitChunks: false,
    },
    module: {
      rules: [
        {
          test: /\.(js|jsx|ts|tsx)$/,
          exclude: /node_modules/,
          use: {
            loader: 'babel-loader',
            options: {
              cacheDirectory: true,
              presets: [
                ['@babel/preset-env', { modules: false }],
                ['@babel/preset-react', { runtime: 'automatic' }],
                '@babel/preset-typescript',
              ],
              plugins: isProduction ? ['transform-remove-console'] : [],
            },
          },
        },
        {
          test: /\.worker\.(js|ts)$/,
          loader: 'worker-loader',
          options: {
            filename: '[name].[contenthash].worker.js',
          },
        },
      ],
    },
    plugins: [
      new webpack.EnvironmentPlugin({
        NODE_ENV: isProduction ? 'production' : 'development',
      }),
    ],
    devtool: isProduction ? 'source-map' : 'eval-source-map',
    resolve: {
      extensions: ['.js', '.jsx', '.ts', '.tsx'],
      alias: {
        '@': path.resolve(__dirname, 'src'),
        '@/components': path.resolve(__dirname, 'src/components'),
        '@/hooks': path.resolve(__dirname, 'src/hooks'),
        '@/utils': path.resolve(__dirname, 'src/utils'),
        '@/types': path.resolve(__dirname, 'src/types'),
        '@/constants': path.resolve(__dirname, 'src/constants'),
      },
    },
  };
};