1'use strict';23// Fork Start4const ReactFlightWebpackPlugin = require('react-server-dom-webpack/plugin');5// Fork End67const fs = require('fs');8const {createHash} = require('crypto');9const path = require('path');10const {pathToFileURL} = require('url');11const webpack = require('webpack');12const resolve = require('resolve');13const CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin');14const TerserPlugin = require('terser-webpack-plugin');15const MiniCssExtractPlugin = require('mini-css-extract-plugin');16const CssMinimizerPlugin = require('css-minimizer-webpack-plugin');17const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin');18const DevToolsIgnorePlugin = require('devtools-ignore-webpack-plugin');19const getCSSModuleLocalIdent = require('react-dev-utils/getCSSModuleLocalIdent');20const paths = require('./paths');21const modules = require('./modules');22const getClientEnvironment = require('./env');23const ModuleNotFoundPlugin = require('react-dev-utils/ModuleNotFoundPlugin');24const ForkTsCheckerWebpackPlugin =25  process.env.TSC_COMPILE_ON_ERROR === 'true'26    ? require('react-dev-utils/ForkTsCheckerWarningWebpackPlugin')27    : require('react-dev-utils/ForkTsCheckerWebpackPlugin');28const ReactRefreshWebpackPlugin = require('@pmmmwh/react-refresh-webpack-plugin');29const {WebpackManifestPlugin} = require('webpack-manifest-plugin');3031function createEnvironmentHash(env) {32  const hash = createHash('md5');33  hash.update(JSON.stringify(env));3435  return hash.digest('hex');36}3738// Source maps are resource heavy and can cause out of memory issue for large source files.39const shouldUseSourceMap = process.env.GENERATE_SOURCEMAP !== 'false';4041const reactRefreshRuntimeEntry = require.resolve('react-refresh/runtime');42const reactRefreshWebpackPluginRuntimeEntry = require.resolve(43  '@pmmmwh/react-refresh-webpack-plugin'44);45const babelRuntimeEntry = require.resolve('babel-preset-react-app');46const babelRuntimeEntryHelpers = require.resolve(47  '@babel/runtime/helpers/esm/assertThisInitialized',48  {paths: [babelRuntimeEntry]}49);50const babelRuntimeRegenerator = require.resolve('@babel/runtime/regenerator', {51  paths: [babelRuntimeEntry],52});5354// Some apps do not need the benefits of saving a web request, so not inlining the chunk55// makes for a smoother build process.56const shouldInlineRuntimeChunk = process.env.INLINE_RUNTIME_CHUNK !== 'false';5758const imageInlineSizeLimit = parseInt(59  process.env.IMAGE_INLINE_SIZE_LIMIT || '10000'60);6162// Check if TypeScript is setup63const useTypeScript = fs.existsSync(paths.appTsConfig);6465// Check if Tailwind config exists66const useTailwind = fs.existsSync(67  path.join(paths.appPath, 'tailwind.config.js')68);6970// Get the path to the uncompiled service worker (if it exists).71const swSrc = paths.swSrc;7273// style files regexes74const cssRegex = /\.css$/;75const cssModuleRegex = /\.module\.css$/;76const sassRegex = /\.(scss|sass)$/;77const sassModuleRegex = /\.module\.(scss|sass)$/;7879// This is the production and development configuration.80// It is focused on developer experience, fast rebuilds, and a minimal bundle.81module.exports = function (webpackEnv) {82  const isEnvDevelopment = webpackEnv === 'development';83  const isEnvProduction = webpackEnv === 'production';8485  // Variable used for enabling profiling in Production86  // passed into alias object. Uses a flag if passed into the build command87  const isEnvProductionProfile =88    isEnvProduction && process.argv.includes('--profile');8990  // We will provide `paths.publicUrlOrPath` to our app91  // as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.92  // Omit trailing slash as %PUBLIC_URL%/xyz looks better than %PUBLIC_URL%xyz.93  // Get environment variables to inject into our app.94  const env = getClientEnvironment(paths.publicUrlOrPath.slice(0, -1));9596  const shouldUseReactRefresh = env.raw.FAST_REFRESH;9798  // common function to get style loaders99  const getStyleLoaders = (cssOptions, preProcessor) => {100    const loaders = [101      isEnvDevelopment && require.resolve('style-loader'),102      {103        loader: MiniCssExtractPlugin.loader,104        // css is located in `static/css`, use '../../' to locate index.html folder105        // in production `paths.publicUrlOrPath` can be a relative path106        options: paths.publicUrlOrPath.startsWith('.')107          ? {publicPath: '../../'}108          : {},109      },110      {111        loader: require.resolve('css-loader'),112        options: cssOptions,113      },114      {115        // Options for PostCSS as we reference these options twice116        // Adds vendor prefixing based on your specified browser support in117        // package.json118        loader: require.resolve('postcss-loader'),119        options: {120          postcssOptions: {121            // Necessary for external CSS imports to work122            // https://github.com/facebook/create-react-app/issues/2677123            ident: 'postcss',124            config: false,125            plugins: !useTailwind126              ? [127                  'postcss-flexbugs-fixes',128                  [129                    'postcss-preset-env',130                    {131                      autoprefixer: {132                        flexbox: 'no-2009',133                      },134                      stage: 3,135                    },136                  ],137                  // Adds PostCSS Normalize as the reset css with default options,138                  // so that it honors browserslist config in package.json139                  // which in turn let's users customize the target behavior as per their needs.140                  'postcss-normalize',141                ]142              : [143                  'tailwindcss',144                  'postcss-flexbugs-fixes',145                  [146                    'postcss-preset-env',147                    {148                      autoprefixer: {149                        flexbox: 'no-2009',150                      },151                      stage: 3,152                    },153                  ],154                ],155          },156          sourceMap: isEnvProduction ? shouldUseSourceMap : isEnvDevelopment,157        },158      },159    ].filter(Boolean);160    if (preProcessor) {161      loaders.push(162        {163          loader: require.resolve('resolve-url-loader'),164          options: {165            sourceMap: isEnvProduction ? shouldUseSourceMap : isEnvDevelopment,166            root: paths.appSrc,167          },168        },169        {170          loader: require.resolve(preProcessor),171          options: {172            sourceMap: true,173          },174        }175      );176    }177    return loaders;178  };179180  return {181    target: ['browserslist'],182    // Webpack noise constrained to errors and warnings183    stats: 'errors-warnings',184    mode: isEnvProduction ? 'production' : isEnvDevelopment && 'development',185    // Stop compilation early in production186    bail: isEnvProduction,187    devtool: isEnvProduction188      ? shouldUseSourceMap189        ? 'source-map'190        : false191      : isEnvDevelopment && 'source-map',192    // These are the "entry points" to our application.193    // This means they will be the "root" imports that are included in JS bundle.194    entry: isEnvProduction195      ? [paths.appIndexJs]196      : [197          paths.appIndexJs,198          // HMR client199          'webpack-hot-middleware/client?path=/__webpack_hmr&timeout=20000',200        ],201    output: {202      // The build folder.203      path: paths.appBuild,204      // Add /* filename */ comments to generated require()s in the output.205      pathinfo: isEnvDevelopment,206      // There will be one main bundle, and one file per asynchronous chunk.207      // In development, it does not produce real files.208      filename: isEnvProduction209        ? 'static/js/[name].[contenthash:8].js'210        : isEnvDevelopment && 'static/js/bundle.js',211      // There are also additional JS chunk files if you use code splitting.212      chunkFilename: isEnvProduction213        ? 'static/js/[name].[contenthash:8].chunk.js'214        : isEnvDevelopment && 'static/js/[name].chunk.js',215      assetModuleFilename: 'static/media/[name].[hash][ext]',216      // webpack uses `publicPath` to determine where the app is being served from.217      // It requires a trailing slash, or the file assets will get an incorrect path.218      // We inferred the "public path" (such as / or /my-project) from homepage.219      publicPath: paths.publicUrlOrPath,220      // Point sourcemap entries to original disk location (format as URL on Windows)221      devtoolModuleFilenameTemplate: isEnvProduction222        ? info =>223            path224              .relative(paths.appSrc, info.absoluteResourcePath)225              .replace(/\\/g, '/')226        : isEnvDevelopment &&227          (info => pathToFileURL(path.resolve(info.absoluteResourcePath))),228    },229    cache: {230      type: 'filesystem',231      version: createEnvironmentHash(env.raw),232      cacheDirectory: paths.appWebpackCache,233      store: 'pack',234      buildDependencies: {235        defaultWebpack: ['webpack/lib/'],236        config: [__filename],237        tsconfig: [paths.appTsConfig, paths.appJsConfig].filter(f =>238          fs.existsSync(f)239        ),240      },241    },242    infrastructureLogging: {243      level: 'none',244    },245    optimization: {246      minimize: isEnvProduction,247      minimizer: [248        // This is only used in production mode249        new TerserPlugin({250          terserOptions: {251            parse: {252              // We want terser to parse ecma 8 code. However, we don't want it253              // to apply any minification steps that turns valid ecma 5 code254              // into invalid ecma 5 code. This is why the 'compress' and 'output'255              // sections only apply transformations that are ecma 5 safe256              // https://github.com/facebook/create-react-app/pull/4234257              ecma: 8,258            },259            compress: {260              ecma: 5,261              warnings: false,262              // Disabled because of an issue with Uglify breaking seemingly valid code:263              // https://github.com/facebook/create-react-app/issues/2376264              // Pending further investigation:265              // https://github.com/mishoo/UglifyJS2/issues/2011266              comparisons: false,267              // Disabled because of an issue with Terser breaking valid code:268              // https://github.com/facebook/create-react-app/issues/5250269              // Pending further investigation:270              // https://github.com/terser-js/terser/issues/120271              inline: 2,272            },273            mangle: {274              safari10: true,275            },276            // Added for profiling in devtools277            keep_classnames: isEnvProductionProfile,278            keep_fnames: isEnvProductionProfile,279            output: {280              ecma: 5,281              comments: false,282              // Turned on because emoji and regex is not minified properly using default283              // https://github.com/facebook/create-react-app/issues/2488284              ascii_only: true,285            },286          },287        }),288        // This is only used in production mode289        new CssMinimizerPlugin(),290      ],291    },292    resolve: {293      // This allows you to set a fallback for where webpack should look for modules.294      // We placed these paths second because we want `node_modules` to "win"295      // if there are any conflicts. This matches Node resolution mechanism.296      // https://github.com/facebook/create-react-app/issues/253297      modules: ['node_modules', paths.appNodeModules].concat(298        modules.additionalModulePaths || []299      ),300      // These are the reasonable defaults supported by the Node ecosystem.301      // We also include JSX as a common component filename extension to support302      // some tools, although we do not recommend using it, see:303      // https://github.com/facebook/create-react-app/issues/290304      // `web` extension prefixes have been added for better support305      // for React Native Web.306      extensions: paths.moduleFileExtensions307        .map(ext => `.${ext}`)308        .filter(ext => useTypeScript || !ext.includes('ts')),309      alias: {310        // Support React Native Web311        // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/312        'react-native': 'react-native-web',313        // Allows for better profiling with ReactDevTools314        ...(isEnvProductionProfile && {315          'react-dom$': 'react-dom/profiling',316          'scheduler/tracing': 'scheduler/tracing-profiling',317        }),318        ...(modules.webpackAliases || {}),319      },320      plugins: [321        // Prevents users from importing files from outside of src/ (or node_modules/).322        // This often causes confusion because we only process files within src/ with babel.323        // To fix this, we prevent you from importing files out of src/ -- if you'd like to,324        // please link the files into your node_modules/ and let module-resolution kick in.325        // Make sure your source files are compiled, as they will not be processed in any way.326        new ModuleScopePlugin(paths.appSrc, [327          paths.appPackageJson,328          reactRefreshRuntimeEntry,329          reactRefreshWebpackPluginRuntimeEntry,330          babelRuntimeEntry,331          babelRuntimeEntryHelpers,332          babelRuntimeRegenerator,333        ]),334      ],335    },336    module: {337      strictExportPresence: true,338      rules: [339        // Handle node_modules packages that contain sourcemaps340        shouldUseSourceMap && {341          enforce: 'pre',342          exclude: /@babel(?:\/|\\{1,2})runtime/,343          test: /\.(js|mjs|jsx|ts|tsx|css)$/,344          loader: require.resolve('source-map-loader'),345        },346        {347          // "oneOf" will traverse all following loaders until one will348          // match the requirements. When no loader matches it will fall349          // back to the "file" loader at the end of the loader list.350          oneOf: [351            // TODO: Merge this config once `image/avif` is in the mime-db352            // https://github.com/jshttp/mime-db353            {354              test: [/\.avif$/],355              type: 'asset',356              mimetype: 'image/avif',357              parser: {358                dataUrlCondition: {359                  maxSize: imageInlineSizeLimit,360                },361              },362            },363            // "url" loader works like "file" loader except that it embeds assets364            // smaller than specified limit in bytes as data URLs to avoid requests.365            // A missing `test` is equivalent to a match.366            {367              test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],368              type: 'asset',369              parser: {370                dataUrlCondition: {371                  maxSize: imageInlineSizeLimit,372                },373              },374            },375            {376              test: /\.svg$/,377              use: [378                {379                  loader: require.resolve('@svgr/webpack'),380                  options: {381                    prettier: false,382                    svgo: false,383                    svgoConfig: {384                      plugins: [{removeViewBox: false}],385                    },386                    titleProp: true,387                    ref: true,388                  },389                },390                {391                  loader: require.resolve('file-loader'),392                  options: {393                    name: 'static/media/[name].[hash].[ext]',394                  },395                },396              ],397              issuer: {398                and: [/\.(ts|tsx|js|jsx|md|mdx)$/],399              },400            },401            // Process application JS with Babel.402            // The preset includes JSX, Flow, TypeScript, and some ESnext features.403            {404              test: /\.(js|mjs|jsx|ts|tsx)$/,405              include: paths.appSrc,406              loader: require.resolve('babel-loader'),407              options: {408                customize: require.resolve(409                  'babel-preset-react-app/webpack-overrides'410                ),411                presets: [412                  [413                    require.resolve('babel-preset-react-app'),414                    {415                      runtime: 'automatic',416                    },417                  ],418                ],419420                plugins: [421                  isEnvDevelopment &&422                    shouldUseReactRefresh &&423                    require.resolve('react-refresh/babel'),424                ].filter(Boolean),425                // This is a feature of `babel-loader` for webpack (not Babel itself).426                // It enables caching results in ./node_modules/.cache/babel-loader/427                // directory for faster rebuilds.428                cacheDirectory: true,429                // See #6846 for context on why cacheCompression is disabled430                cacheCompression: false,431                compact: isEnvProduction,432              },433            },434            // Process any JS outside of the app with Babel.435            // Unlike the application JS, we only compile the standard ES features.436            {437              test: /\.(js|mjs)$/,438              exclude: /@babel(?:\/|\\{1,2})runtime/,439              loader: require.resolve('babel-loader'),440              options: {441                babelrc: false,442                configFile: false,443                compact: false,444                presets: [445                  [446                    require.resolve('babel-preset-react-app/dependencies'),447                    {helpers: true},448                  ],449                ],450                cacheDirectory: true,451                // See #6846 for context on why cacheCompression is disabled452                cacheCompression: false,453454                // Babel sourcemaps are needed for debugging into node_modules455                // code.  Without the options below, debuggers like VSCode456                // show incorrect code and set breakpoints on the wrong lines.457                sourceMaps: shouldUseSourceMap,458                inputSourceMap: shouldUseSourceMap,459              },460            },461            // "postcss" loader applies autoprefixer to our CSS.462            // "css" loader resolves paths in CSS and adds assets as dependencies.463            // "style" loader turns CSS into JS modules that inject <style> tags.464            // In production, we use MiniCSSExtractPlugin to extract that CSS465            // to a file, but in development "style" loader enables hot editing466            // of CSS.467            // By default we support CSS Modules with the extension .module.css468            {469              test: cssRegex,470              exclude: cssModuleRegex,471              use: getStyleLoaders({472                importLoaders: 1,473                sourceMap: isEnvProduction474                  ? shouldUseSourceMap475                  : isEnvDevelopment,476                modules: {477                  mode: 'icss',478                },479              }),480              // Don't consider CSS imports dead code even if the481              // containing package claims to have no side effects.482              // Remove this when webpack adds a warning or an error for this.483              // See https://github.com/webpack/webpack/issues/6571484              sideEffects: true,485            },486            // Adds support for CSS Modules (https://github.com/css-modules/css-modules)487            // using the extension .module.css488            {489              test: cssModuleRegex,490              use: getStyleLoaders({491                importLoaders: 1,492                sourceMap: isEnvProduction493                  ? shouldUseSourceMap494                  : isEnvDevelopment,495                modules: {496                  mode: 'local',497                  getLocalIdent: getCSSModuleLocalIdent,498                },499              }),500            },501            // Opt-in support for SASS (using .scss or .sass extensions).502            // By default we support SASS Modules with the503            // extensions .module.scss or .module.sass504            {505              test: sassRegex,506              exclude: sassModuleRegex,507              use: getStyleLoaders(508                {509                  importLoaders: 3,510                  sourceMap: isEnvProduction511                    ? shouldUseSourceMap512                    : isEnvDevelopment,513                  modules: {514                    mode: 'icss',515                  },516                },517                'sass-loader'518              ),519              // Don't consider CSS imports dead code even if the520              // containing package claims to have no side effects.521              // Remove this when webpack adds a warning or an error for this.522              // See https://github.com/webpack/webpack/issues/6571523              sideEffects: true,524            },525            // Adds support for CSS Modules, but using SASS526            // using the extension .module.scss or .module.sass527            {528              test: sassModuleRegex,529              use: getStyleLoaders(530                {531                  importLoaders: 3,532                  sourceMap: isEnvProduction533                    ? shouldUseSourceMap534                    : isEnvDevelopment,535                  modules: {536                    mode: 'local',537                    getLocalIdent: getCSSModuleLocalIdent,538                  },539                },540                'sass-loader'541              ),542            },543            // "file" loader makes sure those assets get served by WebpackDevServer.544            // When you `import` an asset, you get its (virtual) filename.545            // In production, they would get copied to the `build` folder.546            // This loader doesn't use a "test" so it will catch all modules547            // that fall through the other loaders.548            {549              // Exclude `js` files to keep "css" loader working as it injects550              // its runtime that would otherwise be processed through "file" loader.551              // Also exclude `html` and `json` extensions so they get processed552              // by webpacks internal loaders.553              exclude: [/^$/, /\.(js|mjs|jsx|ts|tsx)$/, /\.html$/, /\.json$/],554              type: 'asset/resource',555            },556            // ** STOP ** Are you adding a new loader?557            // Make sure to add the new loader(s) before the "file" loader.558          ],559        },560      ].filter(Boolean),561    },562    plugins: [563      new webpack.HotModuleReplacementPlugin(),564      // This gives some necessary context to module not found errors, such as565      // the requesting resource.566      new ModuleNotFoundPlugin(paths.appPath),567      // Makes some environment variables available to the JS code, for example:568      // if (process.env.NODE_ENV === 'production') { ... }. See `./env.js`.569      // It is absolutely essential that NODE_ENV is set to production570      // during a production build.571      // Otherwise React will be compiled in the very slow development mode.572      new webpack.DefinePlugin(env.stringified),573      // Experimental hot reloading for React .574      // https://github.com/facebook/react/tree/main/packages/react-refresh575      isEnvDevelopment &&576        shouldUseReactRefresh &&577        new ReactRefreshWebpackPlugin({578          overlay: false,579        }),580      // Watcher doesn't work well if you mistype casing in a path so we use581      // a plugin that prints an error when you attempt to do this.582      // See https://github.com/facebook/create-react-app/issues/240583      isEnvDevelopment && new CaseSensitivePathsPlugin(),584      new MiniCssExtractPlugin({585        // Options similar to the same options in webpackOptions.output586        // both options are optional587        filename: 'static/css/[name].[contenthash:8].css',588        chunkFilename: 'static/css/[name].[contenthash:8].chunk.css',589      }),590      // Generate a manifest containing the required script / css for each entry.591      new WebpackManifestPlugin({592        fileName: 'entrypoint-manifest.json',593        publicPath: paths.publicUrlOrPath,594        generate: (seed, files, entrypoints) => {595          const entrypointFiles = entrypoints.main.filter(596            fileName => !fileName.endsWith('.map')597          );598599          const processedEntrypoints = {};600          for (let key in entrypoints) {601            processedEntrypoints[key] = {602              js: entrypoints[key].filter(603                filename =>604                  // Include JS assets but ignore hot updates because they're not605                  // safe to include as async script tags.606                  filename.endsWith('.js') &&607                  !filename.endsWith('.hot-update.js')608              ),609              css: entrypoints[key].filter(filename =>610                filename.endsWith('.css')611              ),612            };613          }614615          return processedEntrypoints;616        },617      }),618      // Moment.js is an extremely popular library that bundles large locale files619      // by default due to how webpack interprets its code. This is a practical620      // solution that requires the user to opt into importing specific locales.621      // https://github.com/jmblog/how-to-optimize-momentjs-with-webpack622      // You can remove this if you don't use Moment.js:623      new webpack.IgnorePlugin({624        resourceRegExp: /^\.\/locale$/,625        contextRegExp: /moment$/,626      }),627      // TypeScript type checking628      useTypeScript &&629        new ForkTsCheckerWebpackPlugin({630          async: isEnvDevelopment,631          typescript: {632            typescriptPath: resolve.sync('typescript', {633              basedir: paths.appNodeModules,634            }),635            configOverwrite: {636              compilerOptions: {637                sourceMap: isEnvProduction638                  ? shouldUseSourceMap639                  : isEnvDevelopment,640                skipLibCheck: true,641                inlineSourceMap: false,642                declarationMap: false,643                noEmit: true,644                incremental: true,645                tsBuildInfoFile: paths.appTsBuildInfoFile,646              },647            },648            context: paths.appPath,649            diagnosticOptions: {650              syntactic: true,651            },652            mode: 'write-references',653            // profile: true,654          },655          issue: {656            // This one is specifically to match during CI tests,657            // as micromatch doesn't match658            // '../cra-template-typescript/template/src/App.tsx'659            // otherwise.660            include: [661              {file: '../**/src/**/*.{ts,tsx}'},662              {file: '**/src/**/*.{ts,tsx}'},663            ],664            exclude: [665              {file: '**/src/**/__tests__/**'},666              {file: '**/src/**/?(*.){spec|test}.*'},667              {file: '**/src/setupProxy.*'},668              {file: '**/src/setupTests.*'},669            ],670          },671          logger: {672            infrastructure: 'silent',673          },674        }),675      // Fork Start676      new DevToolsIgnorePlugin({677        shouldIgnorePath: function (path) {678          return (679            path.includes('/node_modules/') ||680            path.includes('/webpack/') ||681            path.endsWith('/src/index.js')682          );683        },684      }),685      new ReactFlightWebpackPlugin({686        isServer: false,687        clientReferences: {688          directory: './src',689          recursive: true,690          include: /\.(js|ts|jsx|tsx)$/,691        },692      }),693      // Fork End694    ].filter(Boolean),695    experiments: {696      topLevelAwait: true,697    },698    // Turn off performance processing because we utilize699    // our own hints via the FileSizeReporter700    performance: false,701  };702};