diff options
author | Determinant <[email protected]> | 2019-02-07 00:37:13 -0500 |
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committer | Determinant <[email protected]> | 2019-02-07 00:37:13 -0500 |
commit | e4651c8d1bc1c416de553428bcfba137ca35ef91 (patch) | |
tree | aff8ce0c5c24d65720b2a6e2195d25afcbe28f89 /config/webpack.config.js | |
parent | 13a2bd4f4aee6b4dec0ce799e9ba212693cbedf1 (diff) |
use a minimal webpack-based build env
Diffstat (limited to 'config/webpack.config.js')
-rw-r--r-- | config/webpack.config.js | 610 |
1 files changed, 0 insertions, 610 deletions
diff --git a/config/webpack.config.js b/config/webpack.config.js deleted file mode 100644 index 184c4db..0000000 --- a/config/webpack.config.js +++ /dev/null @@ -1,610 +0,0 @@ -'use strict'; - -const fs = require('fs'); -const path = require('path'); -const webpack = require('webpack'); -const resolve = require('resolve'); -const PnpWebpackPlugin = require('pnp-webpack-plugin'); -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 OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin'); -const safePostCssParser = require('postcss-safe-parser'); -const ManifestPlugin = require('webpack-manifest-plugin'); -const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin'); -const WorkboxWebpackPlugin = require('workbox-webpack-plugin'); -const WatchMissingNodeModulesPlugin = require('react-dev-utils/WatchMissingNodeModulesPlugin'); -const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin'); -const getCSSModuleLocalIdent = require('react-dev-utils/getCSSModuleLocalIdent'); -const paths = require('./paths'); -const getClientEnvironment = require('./env'); -const ModuleNotFoundPlugin = require('react-dev-utils/ModuleNotFoundPlugin'); -const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin-alt'); -const typescriptFormatter = require('react-dev-utils/typescriptFormatter'); - - -// Source maps are resource heavy and can cause out of memory issue for large source files. -const shouldUseSourceMap = process.env.GENERATE_SOURCEMAP !== 'false'; -// 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'; - -// Check if TypeScript is setup -const useTypeScript = fs.existsSync(paths.appTsConfig); - -// style files regexes -const cssRegex = /\.css$/; -const cssModuleRegex = /\.module\.css$/; -const sassRegex = /\.(scss|sass)$/; -const sassModuleRegex = /\.module\.(scss|sass)$/; - -// This is the production and development configuration. -// It is focused on developer experience, fast rebuilds, and a minimal bundle. -module.exports = function(webpackEnv) { - const isEnvDevelopment = webpackEnv === 'development'; - const isEnvProduction = webpackEnv === 'production'; - - // 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 === './'; - - // `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); - - // common function to get style loaders - const getStyleLoaders = (cssOptions, preProcessor) => { - const loaders = [ - isEnvDevelopment && require.resolve('style-loader'), - isEnvProduction && { - loader: MiniCssExtractPlugin.loader, - options: Object.assign( - {}, - shouldUseRelativeAssetPaths ? { publicPath: '../../' } : undefined - ), - }, - { - loader: require.resolve('css-loader'), - options: 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: { - // 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, - }), - ], - sourceMap: isEnvProduction && shouldUseSourceMap, - }, - }, - ].filter(Boolean); - if (preProcessor) { - loaders.push({ - loader: require.resolve(preProcessor), - options: { - sourceMap: isEnvProduction && shouldUseSourceMap, - }, - }); - } - return loaders; - }; - - return { - mode: isEnvProduction ? 'production' : isEnvDevelopment && 'development', - // Stop compilation early in production - bail: isEnvProduction, - devtool: isEnvProduction - ? shouldUseSourceMap - ? 'source-map' - : false - : isEnvDevelopment && 'cheap-module-source-map', - // These are the "entry points" to our application. - // This means they will be the "root" imports that are included in JS bundle. - entry: [ - // Include an alternative client for WebpackDevServer. A client's job is to - // connect to WebpackDevServer by a socket and get notified about changes. - // When you save a file, the client will either apply hot updates (in case - // of CSS changes), or refresh the page (in case of JS changes). When you - // make a syntax error, this client will display a syntax error overlay. - // Note: instead of the default WebpackDevServer client, we use a custom one - // to bring better experience for Create React App users. You can replace - // the line below with these two lines if you prefer the stock client: - // require.resolve('webpack-dev-server/client') + '?/', - // require.resolve('webpack/hot/dev-server'), - isEnvDevelopment && - require.resolve('react-dev-utils/webpackHotDevClient'), - // 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/js/[name].[chunkhash:8].js' - : isEnvDevelopment && 'static/js/bundle.js', - // There are also additional JS chunk files if you use code splitting. - chunkFilename: isEnvProduction - ? 'static/js/[name].[chunkhash:8].chunk.js' - : isEnvDevelopment && 'static/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, '/')), - }, - 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 minfication 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 futher investigation: - // https://github.com/terser-js/terser/issues/120 - inline: 2, - }, - mangle: { - safari10: true, - }, - 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, - }, - }, - // Use multi-process parallel running to improve the build speed - // Default number of concurrent runs: os.cpus().length - 1 - parallel: true, - // Enable file caching - cache: true, - sourceMap: shouldUseSourceMap, - }), - // This is only used in production mode - new OptimizeCSSAssetsPlugin({ - cssProcessorOptions: { - parser: safePostCssParser, - map: shouldUseSourceMap - ? { - // `inline: false` forces the sourcemap to be output into a - // separate file - inline: false, - // `annotation: true` appends the sourceMappingURL to the end of - // the css file, helping the browser find the sourcemap - annotation: true, - } - : 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 - runtimeChunk: true, - }, - 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'].concat( - // It is guaranteed to exist because we tweak it in `env.js` - process.env.NODE_PATH.split(path.delimiter).filter(Boolean) - ), - // 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 => `.${ext}`) - .filter(ext => useTypeScript || !ext.includes('ts')), - alias: { - // Support React Native Web - // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/ - 'react-native': 'react-native-web', - }, - plugins: [ - // Adds support for installing with Plug'n'Play, leading to faster installs and adding - // guards against forgotten dependencies and such. - PnpWebpackPlugin, - // Prevents users from importing files from outside of src/ (or node_modules/). - // This often causes confusion because we only process files within src/ with babel. - // To fix this, we prevent you from importing files out of src/ -- if you'd like to, - // please link the files into your node_modules/ and let module-resolution kick in. - // Make sure your source files are compiled, as they will not be processed in any way. - new ModuleScopePlugin(paths.appSrc, [paths.appPackageJson]), - ], - }, - resolveLoader: { - plugins: [ - // Also related to Plug'n'Play, but this time it tells Webpack to load its loaders - // from the current package. - PnpWebpackPlugin.moduleLoader(module), - ], - }, - module: { - strictExportPresence: true, - rules: [ - // Disable require.ensure as it's not a standard language feature. - { parser: { requireEnsure: false } }, - - // First, run the linter. - // It's important to do this before Babel processes the JS. - { - test: /\.(js|mjs|jsx)$/, - enforce: 'pre', - use: [ - { - options: { - formatter: require.resolve('react-dev-utils/eslintFormatter'), - eslintPath: require.resolve('eslint'), - - }, - loader: require.resolve('eslint-loader'), - }, - ], - include: paths.appSrc, - }, - { - // "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: [ - // "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$/, /\.png$/], - loader: require.resolve('url-loader'), - options: { - limit: 10000, - name: 'static/media/[name].[hash:8].[ext]', - }, - }, - // Process application JS with Babel. - // The preset includes JSX, Flow, TypeScript, and some ESnext features. - { - test: /\.(js|mjs|jsx|ts|tsx)$/, - include: paths.appSrc, - loader: require.resolve('babel-loader'), - options: { - customize: require.resolve( - 'babel-preset-react-app/webpack-overrides' - ), - - plugins: [ - [ - require.resolve('babel-plugin-named-asset-import'), - { - loaderMap: { - svg: { - ReactComponent: - '@svgr/webpack?-prettier,-svgo![path]', - }, - }, - }, - ], - ], - // This is a feature of `babel-loader` for webpack (not Babel itself). - // It enables caching results in ./node_modules/.cache/babel-loader/ - // directory for faster rebuilds. - cacheDirectory: true, - cacheCompression: isEnvProduction, - compact: isEnvProduction, - }, - }, - // Process any JS outside of the app with Babel. - // Unlike the application JS, we only compile the standard ES features. - { - test: /\.(js|mjs)$/, - exclude: /@babel(?:\/|\\{1,2})runtime/, - loader: require.resolve('babel-loader'), - options: { - babelrc: false, - configFile: false, - compact: false, - presets: [ - [ - require.resolve('babel-preset-react-app/dependencies'), - { helpers: true }, - ], - ], - cacheDirectory: true, - cacheCompression: isEnvProduction, - - // If an error happens in a package, it's possible to be - // because it was compiled. Thus, we don't want the browser - // debugger to show the original code. Instead, the code - // being evaluated would be much more helpful. - sourceMaps: false, - }, - }, - // "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, - sourceMap: isEnvProduction && shouldUseSourceMap, - }), - // 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, - sourceMap: isEnvProduction && shouldUseSourceMap, - modules: true, - 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: 2, - sourceMap: isEnvProduction && shouldUseSourceMap, - }, - 'sass-loader' - ), - // 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: 2, - sourceMap: isEnvProduction && shouldUseSourceMap, - modules: true, - getLocalIdent: getCSSModuleLocalIdent, - }, - 'sass-loader' - ), - }, - // "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/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. - 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="shortcut 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 (currently CSS only): - isEnvDevelopment && new webpack.HotModuleReplacementPlugin(), - // 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(), - // If you require a missing module and then `npm install` it, you still have - // to restart the development server for Webpack to discover it. This plugin - // makes the discovery automatic so you don't have to restart. - // See https://github.com/facebook/create-react-app/issues/186 - isEnvDevelopment && - new WatchMissingNodeModulesPlugin(paths.appNodeModules), - isEnvProduction && - new MiniCssExtractPlugin({ - // Options similar to the same options in webpackOptions.output - // both options are optional - filename: 'static/css/[name].[contenthash:8].css', - chunkFilename: 'static/css/[name].[contenthash:8].chunk.css', - }), - // Generate a manifest file which contains a mapping of all asset filenames - // to their corresponding output file so that tools can pick it up without - // having to parse `index.html`. - new ManifestPlugin({ - fileName: 'asset-manifest.json', - publicPath: publicPath, - }), - // Moment.js is an extremely popular library that bundles large locale files - // by default due to how Webpack interprets its code. This is a practical - // solution that requires the user to opt into importing specific locales. - // https://github.com/jmblog/how-to-optimize-momentjs-with-webpack - // You can remove this if you don't use Moment.js: - new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/), - // Generate a service worker script that will precache, and keep up to date, - // the HTML & assets that are part of the Webpack build. - isEnvProduction && - new WorkboxWebpackPlugin.GenerateSW({ - clientsClaim: true, - exclude: [/\.map$/, /asset-manifest\.json$/], - importWorkboxFrom: 'cdn', - navigateFallback: publicUrl + '/index.html', - navigateFallbackBlacklist: [ - // Exclude URLs starting with /_, as they're likely an API call - new RegExp('^/_'), - // Exclude URLs containing a dot, as they're likely a resource in - // public/ and not a SPA route - new RegExp('/[^/]+\\.[^/]+$'), - ], - }), - // TypeScript type checking - useTypeScript && - new ForkTsCheckerWebpackPlugin({ - typescript: resolve.sync('typescript', { - basedir: paths.appNodeModules, - }), - async: false, - checkSyntacticErrors: true, - tsconfig: paths.appTsConfig, - compilerOptions: { - module: 'esnext', - moduleResolution: 'node', - resolveJsonModule: true, - isolatedModules: true, - noEmit: true, - jsx: 'preserve', - }, - reportFiles: [ - '**', - '!**/*.json', - '!**/__tests__/**', - '!**/?(*.)(spec|test).*', - '!**/src/setupProxy.*', - '!**/src/setupTests.*', - ], - watch: paths.appSrc, - silent: true, - formatter: typescriptFormatter, - }), - ].filter(Boolean), - // Some libraries import Node modules but don't use them in the browser. - // Tell Webpack to provide empty mocks for them so importing them works. - node: { - dgram: 'empty', - fs: 'empty', - net: 'empty', - tls: 'empty', - child_process: 'empty', - }, - // Turn off performance processing because we utilize - // our own hints via the FileSizeReporter - performance: false, - }; -}; |