rspack config file

rspack.config.ts

require('dotenv').config()
const { join } = require('path')
const rspack = require('@rspack/core')
const { defineConfig } = require('@rspack/cli')
const ReactRefreshPlugin = require('@rspack/plugin-react-refresh')
const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin')
const {
  resolveJSAndTS,
  getModuleJSAndTSRules,
  plugins: { ignoreMomentLocalesPlugin },
} = require('./webpack.config.base')
const packageConfig = require('../../package.json')
const { version } = packageConfig

const ENVS = {
  DEV: 'development',
  PROD: 'production',
  CYPRESS_COMPONENT_TEST: 'cypress-component-test',
}

const nodeEnv = process.env.NODE_ENV

if (!Object.values(ENVS).includes(nodeEnv)) {
  throw new Error(`Invalid NODE_ENV: ${nodeEnv}`)
}

const isCypressEnv = process.env.CYPRESS === 'true'
const useReactRefresh = nodeEnv === ENVS.DEV && !isCypressEnv

const mode = nodeEnv === ENVS.DEV ? 'development' : 'production'
module.exports = defineConfig({
  target: ['browserslist'],
  mode,
  entry: './src/index.tsx',
  stats: 'normal',
  output: {
    ...(nodeEnv === ENVS.PROD && {
      path: join(process.cwd(), 'dist/apps/fleet-web'),
      filename: 'static/js/[name].[contenthash].js',
      chunkFilename: 'static/js/[name].[contenthash].chunk.js',
      // Css
      cssFilename: 'static/css/[name].[contenthash].css',
      cssChunkFilename: 'static/css/[name].[contenthash].chunk.css',
    }),
    module: true,
    publicPath: '/',
  },
  optimization: {
    splitChunks: false,
    // splitChunks: {
    //   // Last tested with "@rspack/core": "0.2.12"
    //   // If we don't do this, rspack will create two (compressed) 4.8MB chunks (one for vendor and one for main). That's just not good!
    //   // Chunks: 'initial' produces one main 4.7MB chunk and other small ones (just like webpack)
    //   // We should try to remove this once rspack provides a better default
    //   chunks: nodeEnv === ENVS.PROD ? 'initial' : undefined,
    // },
  },
  context: __dirname,
  devtool: (() => {
    if (nodeEnv === ENVS.CYPRESS_COMPONENT_TEST) {
      return 'eval' // for performance reasons
    }

    return nodeEnv === ENVS.DEV
      ? 'eval-cheap-module-source-map'
      : 'nosources-source-map'
  })(),
  devServer:
    nodeEnv === ENVS.DEV
      ? {
          historyApiFallback: true,
          host: '0.0.0.0',
          port: 8080,
          hot: true,
          liveReload: false,
          static: __dirname,
          devMiddleware: { publicPath: '/' },
          client: { overlay: false },
        }
      : undefined,
  resolve: resolveJSAndTS,
  module: {
    rules: [
      ...getModuleJSAndTSRules({ useReactRefresh }),
      {
        test: /\.scss$/,
        exclude: /node_modules/,
        use: ['postcss-loader', 'sass-loader'],
        type: 'css',
      },
      {
        test: /\.css$/,
        type: 'css',
      },
      {
        test: /\.pdf$/,
        type: 'asset/resource',
        generator: {
          filename: 'assets/[name][ext]',
        },
      },
      {
        test: /\.svg$/,
        exclude: /assets/,
        type: 'asset/inline',
      },
      {
        test: /\.svg$/,
        include: /assets/,
        /** Deprecated plugin - Convert to imaginin svgo with "removeDimensions: true" */
        use: [
          {
            loader: 'svg-inline-loader',
            options: {
              removeTags: true,
              removingTags: ['title'],
            },
          },
        ],
      },
      {
        test: /\.(jpe?g|png|gif|ico|eot|woff|otf|ttf|woff2|webp)$/,
        type: 'asset',
      },
      {
        test: /\.(mp3)(\?.*)?$/,
        type: 'asset/inline',
      },
    ],
  },
  plugins: [
    ignoreMomentLocalesPlugin,
    nodeEnv === ENVS.DEV &&
      new ForkTsCheckerWebpackPlugin({
        typescript: {
          configFile: 'tsconfig.app.json',
          memoryLimit: 5900,
          /** Recommended mode when used with babel loader
           *  Check https://github.com/TypeStrong/fork-ts-checker-webpack-plugin/blob/master/README.md#typescript-options
           */
          mode: 'write-references',
          diagnosticOptions: {
            /* Since babel only transpiles typescript, this plugin has to cover all types of errors (both semantic and syntactic). */
            syntactic: true,
          },
        },
      }),
    // cypress-rspack-dev-server already applies this plugin so we don't do it again to prevent conflicts
    new rspack.HtmlRspackPlugin({ template: './index.ejs' }),
    new rspack.ProvidePlugin({ process: 'process', Buffer: ['buffer', 'Buffer'] }),
    new rspack.CopyRspackPlugin({
      patterns: [
        {
          from: 'assets/customer_styling/*',
          to: 'assets/[name][ext]',
        },
        {
          from: 'assets/img/*',
          to: 'assets/[name][ext]',
        },
        {
          from: 'assets/templates/*',
          to: 'assets/[name][ext]',
        },
        {
          from: 'assets/icons/favicons/*',
          to: 'assets/[name][ext]',
        },
        {
          from: 'assets/templates-delivery/**/*',
        },
      ],
    }),
    new rspack.DefinePlugin({
      ENV: {
        ...(nodeEnv === ENVS.PROD
          ? {
              NODE_ENV: 'production',
              GA_TRACKING_ID: 'UA-153974304-1',
              GMAP_API_KEY: process.env.STAGING
                ? process.env.STAGING_GMAP_API_KEY
                : process.env.GMAP_API_KEY,
              SENTRY_DSN:
                'https://[email protected]/1444444',
            }
          : {
              NODE_ENV: 'development',
              WITH_ELD: process.env.WITH_ELD,
              ENABLE_REDUX_DEV_MIDDLEWARE: process.env.ENABLE_REDUX_DEV_MIDDLEWARE,
              WITH_COMMUNICATOR: process.env.WITH_COMMUNICATOR,
              DEVELOPMENT_ENDPOINT:
                process.env.DEVELOPMENT_ENDPOINT ||
                `https://fleetweb${process.env.TEST_ENV || 'dev'}-${
                  process.env.DEVELOPMENT_COUNTRY
                }.cartrack.com/jsonrpc/index.php`,
              GMAP_API_KEY: process.env.GMAP_API_KEY,
            }),
        DEPLOYMENT_ENV: process.env.DEPLOYMENT_ENV || 'unspecified',
        APP_VERSION: version,
        HERE_MAPS_API_KEY: process.env.HERE_MAPS_API_KEY,
        CYPRESS_CT_ENV: nodeEnv === ENVS.CYPRESS_COMPONENT_TEST,

        /* EXPERIMENTAL FEATURES */
        FEAT_MIFLEET_DECIMAL_SEPARATORS: process.env.FEAT_MIFLEET_DECIMAL_SEPARATORS,
        NEW_LOGIN: process.env.NEW_LOGIN,
        NEW_GEOFENCE: process.env.NEW_GEOFENCE === 'true',
        NEW_REPORTS: process.env.NEW_REPORTS === 'true',
        FLAG_NEW_REDESIGN: process.env.FLAG_NEW_REDESIGN === 'true',
      },
    }),
    useReactRefresh && new ReactRefreshPlugin(),
  ].filter(Boolean),
  experiments: {
    rspackFuture: {
      disableTransformByDefault: true,
    },
  },
})

webpack.config.base.ts file:

const webpack = require('webpack')
const { join, resolve } = require('path')

module.exports = {
  // Contains isolated configs so they can be used more freely
  plugins: {
    // https://webpack.js.org/plugins/ignore-plugin/#example-of-ignoring-moment-locales
    ignoreMomentLocalesPlugin: new webpack.IgnorePlugin({
      resourceRegExp: /^\.\/locale$/,
      contextRegExp: /moment$/,
    }),
  },
  resolveJSAndTS: {
    extensions: ['.js', '.jsx', '.ts', '.tsx'],
    fallback: {
      buffer: require.resolve('buffer'),
    },
    alias: {
      /** Webpack v5 does not bundle Nodejs core lib anymore hence we need to polyfill the modules we use.
       *  Please, REMOVE if we don't use them anymore (builds should succeed) */
      fs: 'browserify-fs',
      vm: 'vm-browserify',
      stream: 'stream-browserify',
      crypto: 'crypto-browserify',
      zlib: 'browserify-zlib',
      worker_threads: false,
      /** ------------------------ */
      // This is a temporary solution. Ideally we should not have to specify aliases both here and in tsconfig
      'cartrack-ui-kit': join(__dirname, 'src/util-components'),
      'cartrack-utils': join(__dirname, 'src/util-functions'),
      'cartrack-moment-utils': join(__dirname, 'src/util-functions/moment-helper.ts'),
      assets: join(__dirname, 'assets/'),
      api: join(__dirname, 'src/api/'),
      duxs: join(__dirname, 'src/duxs/'),
      forms: join(__dirname, 'src/modules/forms/'),
      tables: join(__dirname, 'src/modules/tables/'),
      src: join(__dirname, 'src/'),
      '@karoo-ui/core-rhf': join(__dirname, 'src/shared/react-hook-form/index.ts'),
      '@karoo-ui/core': resolve(__dirname, '../../dist/libs/karoo-ui/core/index.js'),
      '@karoo-ui/icons': resolve(__dirname, '../../dist/libs/karoo-ui/icons'),
      '@karoo-ui/system': resolve(__dirname, '../../dist/libs/karoo-ui/system'),
      '@karoo/utils': resolve(__dirname, '../../dist/libs/karoo-utils/index.mjs'),
    },
  },
  getModuleJSAndTSRules: ({ useReactRefresh }) => {
    if (typeof useReactRefresh !== 'boolean') {
      throw new Error('[getModuleJSAndTSRules] - Please provide valid parameters')
    }

    return [
      {
        test: /\.(j|t)s(x)?$/,
        include: resolve(__dirname, 'src'),
        loader: 'builtin:swc-loader',
        options: {
          // In case we need to use babel-loader again (hopefully not) we should use this flag
          // parseMap: true, // See https://swc.rs/docs/usage/swc-loader#with-babel-loader
          sourceMap: true,
          env: {
            targets: 'defaults and supports es6-module',
          },
          jsc: {
            parser: {
              syntax: 'typescript',
              tsx: true,
              dynamicImport: true,
            },
            transform: {
              react: {
                runtime: 'automatic',
                refresh: useReactRefresh,
                development: useReactRefresh,
              },
            },
          },
        },
      },
    ]
  },
}