text: "use strict";
  
  const fs = require("fs");
  const path = require("path");
  const webpack = require("webpack");
  const HtmlWebpackPlugin = require("html-webpack-plugin");
  const CaseSensitivePathsPlugin = require("case-sensitive-paths-webpack-plugin");
  const InlineChunkHtmlPlugin = require("react-dev-utils/InlineChunkHtmlPlugin");
  const TerserPlugin = require("terser-webpack-plugin");
  const MiniCssExtractPlugin = require("mini-css-extract-plugin");
  const CssMinimizerPlugin = require("css-minimizer-webpack-plugin");
  const { WebpackManifestPlugin } = require("webpack-manifest-plugin");
  const InterpolateHtmlPlugin = require("react-dev-utils/InterpolateHtmlPlugin");
  const getCSSModuleLocalIdent = require("react-dev-utils/getCSSModuleLocalIdent");
  const getClientEnvironment = require("./env");
  const ESLintPlugin = require("eslint-webpack-plugin");
  const ModuleNotFoundPlugin = require("react-dev-utils/ModuleNotFoundPlugin");
  const ForkTsCheckerWebpackPlugin = require("fork-ts-checker-webpack-plugin");
  const WebpackBar = require("webpackbar");
  const ReactRefreshWebpackPlugin = require("@pmmmwh/react-refresh-webpack-plugin");
  
  const materialNodeModules = require.resolve("@material/base/package.json").split("@material")[0];
  const sassIncludePaths = [
      path.resolve("./src"),
      path.resolve("./node_modules"),
      materialNodeModules
  ];
  
  // Generates a unique static folder name, for example "static-mi7aan0cqpo".
  const STATIC_FOLDER = "static";
  
  // Some apps do not need the benefits of saving a web request, so not inlining the chunk
  // makes for a smoother build process.
  const shouldInlineRuntimeChunk = process.env.INLINE_RUNTIME_CHUNK !== "false";
  
  const imageInlineSizeLimit = parseInt(process.env.IMAGE_INLINE_SIZE_LIMIT || "10000");
  
  // style files regexes
  const cssRegex = /\.css$/;
  const cssModuleRegex = /\.module\.css$/;
  const sassRegex = /\.(scss|sass)$/;
  const sassModuleRegex = /\.module\.(scss|sass)$/;
  const sassLoader = {
      loader: require.resolve("sass-loader"),
      options: {
          sourceMap: true,
          sassOptions: {
              includePaths: sassIncludePaths,
              quietDeps: true
          }
      }
  };
  
  // This is the production and development configuration.
  // It is focused on developer experience, fast rebuilds, and a minimal bundle.
  module.exports = function (webpackEnv, { paths, options }) {
      const isEnvDevelopment = webpackEnv === "development";
      const isEnvProduction = webpackEnv === "production";
  
      const modules = require("./modules")({ paths });
  
      const { logs, overrides } = options;
      let babelCustomizer = overrides.babel;
      if (!babelCustomizer) {
          babelCustomizer = v => v;
      }
  
      // Check if TypeScript is setup
      const useTypeScript = fs.existsSync(paths.appTsConfig);
  
      // Variable used for enabling profiling in Production
      // passed into alias object. Uses a flag if passed into the build command
      const isEnvProductionProfile = isEnvProduction && process.argv.includes("--profile");
  
      // Webpack uses `publicPath` to determine where the app is being served from.
      // It requires a trailing slash, or the file assets will get an incorrect path.
      // In development, we always serve from the root. This makes config easier.
      const publicPath = isEnvProduction ? paths.servedPath : isEnvDevelopment && "/";
      // Some apps do not use client-side routing with pushState.
      // For these, "homepage" can be set to "." to enable relative asset paths.
      const shouldUseRelativeAssetPaths = publicPath === "./";
  
      // Source maps are resource heavy and can cause out of memory issue for large source files.
      const shouldUseSourceMap = isEnvDevelopment || process.env.GENERATE_SOURCEMAP === "true";
  
      // `publicUrl` is just like `publicPath`, but we will provide it to our app
      // as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
      // Omit trailing slash as %PUBLIC_URL%/xyz looks better than %PUBLIC_URL%xyz.
      const publicUrl = isEnvProduction ? publicPath.slice(0, -1) : isEnvDevelopment && "";
      // Get environment variables to inject into our app.
      const env = getClientEnvironment(publicUrl);
  
      return {
          mode: isEnvProduction ? "production" : isEnvDevelopment && "development",
          // Stop compilation early in production
          bail: isEnvProduction,
          devtool: shouldUseSourceMap ? "source-map" : false,
          // These are the "entry points" to our application.
          // This means they will be the "root" imports that are included in JS bundle.
          entry: [
              // Finally, this is your app's code:
              paths.appIndexJs
              // We include the app code last so that if there is a runtime error during
              // initialization, it doesn't blow up the WebpackDevServer client, and
              // changing JS code would still trigger a refresh.
          ].filter(Boolean),
          output: {
              // The build folder.
              path: isEnvProduction ? paths.appBuild : undefined,
              // Add /* filename */ comments to generated require()s in the output.
              pathinfo: isEnvDevelopment,
              // There will be one main bundle, and one file per asynchronous chunk.
              // In development, it does not produce real files.
              filename: isEnvProduction
                  ? `${STATIC_FOLDER}/js/[name].[contenthash:8].js`
                  : isEnvDevelopment && `${STATIC_FOLDER}/js/[name].js`,
  
              // There are also additional JS chunk files if you use code splitting.
              chunkFilename: isEnvProduction
                  ? `${STATIC_FOLDER}/js/[name].[contenthash:8].chunk.js`
                  : isEnvDevelopment && `${STATIC_FOLDER}/js/[name].chunk.js`,
              // We inferred the "public path" (such as / or /my-project) from homepage.
              // We use "/" in development.
              publicPath: publicPath,
              // Point sourcemap entries to original disk location (format as URL on Windows)
              devtoolModuleFilenameTemplate: isEnvProduction
                  ? info => path.relative(paths.appSrc, info.absoluteResourcePath).replace(/\\/g, "/")
                  : isEnvDevelopment &&
                    (info => path.resolve(info.absoluteResourcePath).replace(/\\/g, "/")),
              // this defaults to 'window', but by setting it to 'this' then
              // module chunks which are built will work in web workers as well.
              globalObject: "this"
          },
          optimization: {
              minimize: isEnvProduction,
              minimizer: [
                  // This is only used in production mode
                  new TerserPlugin({
                      terserOptions: {
                          parse: {
                              // We want terser to parse ecma 8 code. However, we don't want it
                              // to apply any minification steps that turns valid ecma 5 code
                              // into invalid ecma 5 code. This is why the 'compress' and 'output'
                              // sections only apply transformations that are ecma 5 safe
                              // https://github.com/facebook/create-react-app/pull/4234
                              ecma: 8
                          },
                          compress: {
                              ecma: 5,
                              warnings: false,
                              // Disabled because of an issue with Uglify breaking seemingly valid code:
                              // https://github.com/facebook/create-react-app/issues/2376
                              // Pending further investigation:
                              // https://github.com/mishoo/UglifyJS2/issues/2011
                              comparisons: false,
                              // Disabled because of an issue with Terser breaking valid code:
                              // https://github.com/facebook/create-react-app/issues/5250
                              // Pending further investigation:
                              // https://github.com/terser-js/terser/issues/120
                              inline: 2
                          },
                          mangle: {
                              safari10: true
                          },
                          // Added for profiling in devtools
                          keep_classnames: isEnvProductionProfile,
                          keep_fnames: isEnvProductionProfile,
                          output: {
                              ecma: 5,
                              comments: false,
                              // Turned on because emoji and regex is not minified properly using default
                              // https://github.com/facebook/create-react-app/issues/2488
                              ascii_only: true
                          },
                          sourceMap: shouldUseSourceMap
                      }
                  }),
                  // This is only used in production mode
                  new CssMinimizerPlugin({
                      minimizerOptions: {
                          preset: ["default", { minifyFontValues: { removeQuotes: false } }]
                      }
                  })
              ],
              // Automatically split vendor and commons
              // https://twitter.com/wSokra/status/969633336732905474
              // https://medium.com/webpack/webpack-4-code-splitting-chunk-graph-and-the-splitchunks-optimization-be739a861366
              splitChunks: {
                  chunks: "all",
                  name: false
              },
              // Keep the runtime chunk separated to enable long term caching
              // https://twitter.com/wSokra/status/969679223278505985
              // https://github.com/facebook/create-react-app/issues/5358
              runtimeChunk: {
                  name: entrypoint => `runtime-${entrypoint.name}`
              }
          },
          resolve: {
              // This allows you to set a fallback for where Webpack should look for modules.
              // We placed these paths second because we want `node_modules` to "win"
              // if there are any conflicts. This matches Node resolution mechanism.
              // https://github.com/facebook/create-react-app/issues/253
              modules: ["node_modules", paths.appNodeModules].concat(
                  modules.additionalModulePaths || []
              ),
              // These are the reasonable defaults supported by the Node ecosystem.
              // We also include JSX as a common component filename extension to support
              // some tools, although we do not recommend using it, see:
              // https://github.com/facebook/create-react-app/issues/290
              // `web` extension prefixes have been added for better support
              // for React Native Web.
              extensions: paths.moduleFileExtensions
                  .map(ext => `.${ext}`)
                  .filter(ext => useTypeScript || !ext.includes("ts")),
              alias: {
                  // Support React Native Web
                  // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
                  "react-native": require.resolve("react-native-web"),
                  "react/jsx-runtime": require.resolve("react/jsx-runtime.js"),
                  react: require.resolve("react"),
                  // Allows for better profiling with ReactDevTools
                  ...(isEnvProductionProfile && {
                      "react-dom$": require.resolve("react-dom/profiling"),
                      "scheduler/tracing": require.resolve("scheduler/tracing-profiling")
                  }),
                  ...(modules.webpackAliases || {})
              },
              fallback: {
                  path: require.resolve("path-browserify")
              }
          },
  
          module: {
              strictExportPresence: true,
              rules: [
                  {
                      // "oneOf" will traverse all following loaders until one will
                      // match the requirements. When no loader matches it will fall
                      // back to the "file" loader at the end of the loader list.
                      oneOf: [
                          {
                              test: /\.m?js$/,
                              include: /node_modules/,
                              type: "javascript/auto",
                              resolve: {
                                  fullySpecified: false
                              }
                          },
                          {
                              test: /\.svg$/i,
                              issuer: /\.[jt]sx?$/,
                              use: [
                                  {
                                      loader: require.resolve("@svgr/webpack"),
                                      options: {
                                          svgoConfig: {
                                              plugins: [
                                                  {
                                                      name: "preset-default",
                                                      params: {
                                                          overrides: {
                                                              removeViewBox: false
                                                          }
                                                      }
                                                  }
                                              ]
                                          }
                                      }
                                  },
                                  {
                                      ...getUrlLoader()
                                  }
                              ]
                          },
                          // "url" loader works like "file" loader except that it embeds assets
                          // smaller than specified limit in bytes as data URLs to avoid requests.
                          // A missing `test` is equivalent to a match.
                          {
                              test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
                              ...getUrlLoader()
                          },
                          // Process application JS with Babel.
                          // The preset includes JSX, Flow, TypeScript, and some ESnext features.
                          {
                              test: /\.(js|mjs|jsx|ts|tsx)$/,
                              include: [paths.appSrc, paths.appIndexJs, ...paths.allWorkspaces],
                              loader: require.resolve("babel-loader"),
                              options: babelCustomizer({
                                  sourceType: "unambiguous",
                                  presets: [
                                      require.resolve("@babel/preset-env"),
                                      require.resolve("@babel/preset-react"),
                                      require.resolve("@babel/preset-typescript")
                                  ],
                                  plugins: [
                                      [
                                          "babel-plugin-module-resolver",
                                          {
                                              cwd: paths.appPath,
                                              alias: {
                                                  "~": "./src"
                                              }
                                          }
                                      ],
                                      isEnvDevelopment && require.resolve("react-refresh/babel")
                                  ].filter(Boolean),
                                  // This is a feature of `babel-loader` for webpack (not Babel itself).
                                  // It enables caching results in ./node_modules/.cache/babel-loader/
                                  // directory for faster rebuilds.
                                  cacheDirectory: true,
                                  // See #6846 for context on why cacheCompression is disabled
                                  cacheCompression: false,
                                  compact: isEnvProduction,
                                  sourceMaps: shouldUseSourceMap
                              })
                          },
  
                          // "postcss" loader applies autoprefixer to our CSS.
                          // "css" loader resolves paths in CSS and adds assets as dependencies.
                          // "style" loader turns CSS into JS modules that inject <style> tags.
                          // In production, we use MiniCSSExtractPlugin to extract that CSS
                          // to a file, but in development "style" loader enables hot editing
                          // of CSS.
                          // By default we support CSS Modules with the extension .module.css
                          {
                              test: cssRegex,
                              exclude: cssModuleRegex,
                              use: getStyleLoaders({
                                  importLoaders: 1
                              }),
                              // Don't consider CSS imports dead code even if the
                              // containing package claims to have no side effects.
                              // Remove this when webpack adds a warning or an error for this.
                              // See https://github.com/webpack/webpack/issues/6571
                              sideEffects: true
                          },
                          // Adds support for CSS Modules (https://github.com/css-modules/css-modules)
                          // using the extension .module.css
                          {
                              test: cssModuleRegex,
                              use: getStyleLoaders({
                                  importLoaders: 1,
                                  modules: {
                                      getLocalIdent: getCSSModuleLocalIdent
                                  }
                              })
                          },
                          // Opt-in support for SASS (using .scss or .sass extensions).
                          // By default we support SASS Modules with the
                          // extensions .module.scss or .module.sass
                          {
                              test: sassRegex,
                              exclude: sassModuleRegex,
                              use: getStyleLoaders(
                                  {
                                      importLoaders: 3
                                  },
                                  sassLoader
                              ),
                              // Don't consider CSS imports dead code even if the
                              // containing package claims to have no side effects.
                              // Remove this when webpack adds a warning or an error for this.
                              // See https://github.com/webpack/webpack/issues/6571
                              sideEffects: true
                          },
                          // Adds support for CSS Modules, but using SASS
                          // using the extension .module.scss or .module.sass
                          {
                              test: sassModuleRegex,
                              use: getStyleLoaders(
                                  {
                                      importLoaders: 3,
                                      modules: {
                                          getLocalIdent: getCSSModuleLocalIdent
                                      }
                                  },
                                  sassLoader
                              )
                          },
                          // "file" loader makes sure those assets get served by WebpackDevServer.
                          // When you `import` an asset, you get its (virtual) filename.
                          // In production, they would get copied to the `build` folder.
                          // This loader doesn't use a "test" so it will catch all modules
                          // that fall through the other loaders.
                          {
                              loader: require.resolve("file-loader"),
                              // Exclude `js` files to keep "css" loader working as it injects
                              // its runtime that would otherwise be processed through "file" loader.
                              // Also exclude `html` and `json` extensions so they get processed
                              // by webpacks internal loaders.
                              exclude: [/\.(js|mjs|jsx|ts|tsx)$/, /\.html$/, /\.json$/, /^$/],
                              options: {
                                  name: `${STATIC_FOLDER}/media/[name].[hash:8].[ext]`
                              }
                          }
                          // ** STOP ** Are you adding a new loader?
                          // Make sure to add the new loader(s) before the "file" loader.
                      ]
                  }
              ]
          },
          plugins: [
              // Generates an `index.html` file with the <script> injected.
              new HtmlWebpackPlugin(
                  Object.assign(
                      {},
                      {
                          inject: true,
                          template: paths.appHtml
                      },
                      isEnvProduction
                          ? {
                                minify: {
                                    removeComments: true,
                                    collapseWhitespace: true,
                                    removeRedundantAttributes: true,
                                    useShortDoctype: true,
                                    removeEmptyAttributes: true,
                                    removeStyleLinkTypeAttributes: true,
                                    keepClosingSlash: true,
                                    minifyJS: true,
                                    minifyCSS: true,
                                    minifyURLs: true
                                }
                            }
                          : undefined
                  )
              ),
              // Inlines the webpack runtime script. This script is too small to warrant
              // a network request.
              // https://github.com/facebook/create-react-app/issues/5358
              isEnvProduction &&
                  shouldInlineRuntimeChunk &&
                  new InlineChunkHtmlPlugin(HtmlWebpackPlugin, [/runtime-.+[.]js/]),
              // Makes some environment variables available in index.html.
              // The public URL is available as %PUBLIC_URL% in index.html, e.g.:
              // <link rel="icon" href="%PUBLIC_URL%/favicon.ico">
              // In production, it will be an empty string unless you specify "homepage"
              // in `package.json`, in which case it will be the pathname of that URL.
              // In development, this will be an empty string.
              new InterpolateHtmlPlugin(HtmlWebpackPlugin, env.raw),
              // This gives some necessary context to module not found errors, such as
              // the requesting resource.
              new ModuleNotFoundPlugin(paths.appPath),
              // Makes some environment variables available to the JS code, for example:
              // if (process.env.NODE_ENV === 'production') { ... }. See `./env.js`.
              // It is absolutely essential that NODE_ENV is set to production
              // during a production build.
              // Otherwise React will be compiled in the very slow development mode.
              new webpack.DefinePlugin(env.stringified),
              // This is necessary to emit hot updates
              isEnvDevelopment && new ReactRefreshWebpackPlugin(),
              // Watcher doesn't work well if you mistype casing in a path so we use
              // a plugin that prints an error when you attempt to do this.
              // See https://github.com/facebook/create-react-app/issues/240
              isEnvDevelopment && new CaseSensitivePathsPlugin(),
              isEnvProduction &&
                  new MiniCssExtractPlugin({
                      // Options similar to the same options in webpackOptions.output
                      // both options are optional
                      filename: `${STATIC_FOLDER}/css/[name].[contenthash:8].css`,
                      chunkFilename: `${STATIC_FOLDER}/css/[name].[contenthash:8].chunk.css`
                  }),
              // Generate an asset manifest file with the following content:
              // - "files" key: Mapping of all asset filenames to their corresponding
              //   output file so that tools can pick it up without having to parse
              //   `index.html`
              // - "entrypoints" key: Array of files which are included in `index.html`,
              //   can be used to reconstruct the HTML if necessary
              new WebpackManifestPlugin({
                  fileName: "asset-manifest.json",
                  publicPath: publicPath,
                  generate: (seed, files, entrypoints) => {
                      const manifestFiles = files.reduce((manifest, file) => {
                          manifest[file.name] = file.path;
                          return manifest;
                      }, seed);
                      const entrypointFiles = entrypoints.main.filter(
                          fileName => !fileName.endsWith(".map")
                      );
  
                      return {
                          files: manifestFiles,
                          entrypoints: entrypointFiles
                      };
                  }
              }),
  
              new ESLintPlugin({
                  extensions: ["js", "mjs", "jsx", "ts", "tsx"],
                  formatter: require.resolve("react-dev-utils/eslintFormatter"),
                  eslintPath: require.resolve("eslint"),
                  context: paths.appSrc,
                  // ESLint class options
                  cwd: paths.appPath,
                  resolvePluginsRelativeTo: __dirname,
                  baseConfig: {
                      extends: [require.resolve("eslint-config-react-app/base")]
                  }
              }),
  
              // TypeScript type checking
              useTypeScript &&
                  new ForkTsCheckerWebpackPlugin({
                      typescript: {
                          configFile: paths.appTsConfig,
                          typescriptPath: require.resolve("typescript")
                      },
                      async: isEnvDevelopment
                  }),
  
              logs && new WebpackBar({ name: path.basename(paths.appPath) })
          ].filter(Boolean),
  
          // Turn off performance processing because we utilize
          // our own hints via the FileSizeReporter
          performance: false,
  
          // make the output less verbose
          stats: "errors-warnings",
  
          // WebpackDevServer is noisy by default so we emit custom message instead
          // by listening to the compiler events with `compiler.hooks[...].tap` calls above.
          infrastructureLogging: {
              colors: true,
              level: "error"
          }
      };
  
      // common function to get style loaders
      function getStyleLoaders(cssOptions, preProcessor) {
          const loaders = [
              isEnvDevelopment && require.resolve("style-loader"),
              isEnvProduction && {
                  loader: MiniCssExtractPlugin.loader,
                  options: shouldUseRelativeAssetPaths ? { publicPath: "../../" } : {}
              },
              {
                  loader: require.resolve("css-loader"),
                  options: {
                      sourceMap: isEnvProduction && shouldUseSourceMap,
                      // for some wacky reason css-loader tries to resolve inline images
                      // like url("data:image/svg+xml;base64,PHN2ZyB4d3dy53My5...")
                      url: {
                          filter(url) {
                              if (url.startsWith("data:")) {
                                  return false;
                              }
  
                              return true;
                          }
                      },
  
                      ...cssOptions
                  }
              },
              {
                  // Options for PostCSS as we reference these options twice
                  // Adds vendor prefixing based on your specified browser support in
                  // package.json
                  loader: require.resolve("postcss-loader"),
                  options: {
                      postcssOptions: {
                          // Necessary for external CSS imports to work
                          // https://github.com/facebook/create-react-app/issues/2677
                          ident: "postcss",
                          plugins: () => [
                              require("postcss-flexbugs-fixes"),
                              require("postcss-preset-env")({
                                  autoprefixer: {
                                      flexbox: "no-2009"
                                  },
                                  stage: 3,
                                  // Necessary for "@material" to work with dart implementation of sass
                                  features: {
                                      "custom-properties": false
                                  }
                              }),
                              // Adds PostCSS Normalize as the reset css with default options,
                              // so that it honors browserslist config in package.json
                              // which in turn let's users customize the target behavior as per their needs.
                              require("postcss-normalize")()
                          ],
                          sourceMap: isEnvProduction && shouldUseSourceMap
                      }
                  }
              }
          ];
  
          if (preProcessor) {
              loaders.push(
                  {
                      loader: require.resolve("resolve-url-loader"),
                      options: {
                          sourceMap: isEnvProduction && shouldUseSourceMap
                      }
                  },
                  preProcessor
              );
          }
          return loaders.filter(Boolean);
      }
  
      function getUrlLoader() {
          return {
              loader: require.resolve("url-loader"),
              options: {
                  limit: imageInlineSizeLimit,
                  name: `${STATIC_FOLDER}/media/[name].[hash:8].[ext]`
              }
          };
      }
  };
  