React學習之旅----按需載入Antd UI元件及自定義主題
阿新 • • 發佈:2018-11-02
package.json
"babel": {
"presets": [
"react-app"
],
"plugins": [
[
"import",
{
"libraryName": "antd",
"style": true
}
]
]
}
{ "name": "reactcms", "version": "0.1.0", "private": true, "dependencies": { "@babel/core": "7.1.0", "@svgr/webpack": "2.4.1", "antd": "^3.10.2", "axios": "^0.18.0", "babel-core": "7.0.0-bridge.0", "babel-eslint": "9.0.0", "babel-jest": "23.6.0", "babel-loader": "8.0.4", "babel-plugin-import": "^1.10.0", "babel-plugin-named-asset-import": "^0.2.2", "babel-preset-react-app": "^5.0.4", "bfj": "6.1.1", "case-sensitive-paths-webpack-plugin": "2.1.2", "chalk": "2.4.1", "css-loader": "1.0.0", "dotenv": "6.0.0", "dotenv-expand": "4.2.0", "eslint": "5.6.0", "eslint-config-react-app": "^3.0.4", "eslint-loader": "2.1.1", "eslint-plugin-flowtype": "2.50.1", "eslint-plugin-import": "2.14.0", "eslint-plugin-jsx-a11y": "6.1.2", "eslint-plugin-react": "7.11.1", "file-loader": "2.0.0", "fs-extra": "7.0.0", "html-webpack-plugin": "4.0.0-alpha.2", "identity-obj-proxy": "3.0.0", "jest": "23.6.0", "jest-pnp-resolver": "1.0.1", "jest-resolve": "23.6.0", "less": "^3.8.1", "less-loader": "^4.1.0", "mini-css-extract-plugin": "0.4.3", "optimize-css-assets-webpack-plugin": "5.0.1", "pnp-webpack-plugin": "1.1.0", "postcss-flexbugs-fixes": "4.1.0", "postcss-loader": "3.0.0", "postcss-preset-env": "6.0.6", "postcss-safe-parser": "4.0.1", "react": "^16.6.0", "react-app-polyfill": "^0.1.3", "react-app-rewired": "^1.6.2", "react-dev-utils": "^6.0.5", "react-dom": "^16.6.0", "react-router-dom": "^4.3.1", "resolve": "1.8.1", "sass-loader": "7.1.0", "style-loader": "0.23.0", "terser-webpack-plugin": "1.1.0", "url": "^0.11.0", "url-loader": "1.1.1", "webpack": "4.19.1", "webpack-dev-server": "3.1.9", "webpack-manifest-plugin": "2.0.4", "workbox-webpack-plugin": "3.6.2" }, "scripts": { "start": "node scripts/start.js", "build": "node scripts/build.js", "test": "node scripts/test.js" }, "eslintConfig": { "extends": "react-app" }, "browserslist": [ ">0.2%", "not dead", "not ie <= 11", "not op_mini all" ], "jest": { "collectCoverageFrom": [ "src/**/*.{js,jsx}" ], "resolver": "jest-pnp-resolver", "setupFiles": [ "react-app-polyfill/jsdom" ], "testMatch": [ "<rootDir>/src/**/__tests__/**/*.{js,jsx}", "<rootDir>/src/**/?(*.)(spec|test).{js,jsx}" ], "testEnvironment": "jsdom", "testURL": "http://localhost", "transform": { "^.+\\.(js|jsx)$": "<rootDir>/node_modules/babel-jest", "^.+\\.css$": "<rootDir>/config/jest/cssTransform.js", "^(?!.*\\.(js|jsx|css|json)$)": "<rootDir>/config/jest/fileTransform.js" }, "transformIgnorePatterns": [ "[/\\\\]node_modules[/\\\\].+\\.(js|jsx)$", "^.+\\.module\\.(css|sass|scss)$" ], "moduleNameMapper": { "^react-native$": "react-native-web", "^.+\\.module\\.(css|sass|scss)$": "identity-obj-proxy" }, "moduleFileExtensions": [ "web.js", "js", "json", "web.jsx", "jsx", "node" ] }, "babel": { "presets": [ "react-app" ], "plugins": [ [ "import", { "libraryName": "antd", "style": true } ] ] } }
webpack.config.dev.js中68-88
if (preProcessor) { let loader = require.resolve(preProcessor) if (preProcessor === "less-loader") { loader = { loader, options: { modifyVars: { 'primary-color': '#000000', 'link-color': '#1DA57A', 'border-radius-base': '2px', }, javascriptEnabled: true, } } } loaders.push(loader); }
'use strict'; const path = require('path'); const webpack = require('webpack'); const PnpWebpackPlugin = require('pnp-webpack-plugin'); const HtmlWebpackPlugin = require('html-webpack-plugin'); const CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin'); const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin'); const WatchMissingNodeModulesPlugin = require('react-dev-utils/WatchMissingNodeModulesPlugin'); const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin'); const getCSSModuleLocalIdent = require('react-dev-utils/getCSSModuleLocalIdent'); const getClientEnvironment = require('./env'); const paths = require('./paths'); const ManifestPlugin = require('webpack-manifest-plugin'); const ModuleNotFoundPlugin = require('react-dev-utils/ModuleNotFoundPlugin'); // Webpack uses `publicPath` to determine where the app is being served from. // In development, we always serve from the root. This makes config easier. const publicPath = '/'; // `publicUrl` is just like `publicPath`, but we will provide it to our app // as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript. // Omit trailing slash as %PUBLIC_PATH%/xyz looks better than %PUBLIC_PATH%xyz. const publicUrl = ''; // Get environment variables to inject into our app. const env = getClientEnvironment(publicUrl); // style files regexes const cssRegex = /\.css$/; const cssModuleRegex = /\.module\.css$/; const lessRegex = /\.less$/; const lessModuleRegex = /\.module\.less$/; const sassRegex = /\.(scss|sass)$/; const sassModuleRegex = /\.module\.(scss|sass)$/; // common function to get style loaders const getStyleLoaders = (cssOptions, preProcessor) => { const loaders = [ require.resolve('style-loader'), { 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, }), ], }, }, ]; // if (preProcessor) { // loaders.push(require.resolve(preProcessor)); // } if (preProcessor) { let loader = require.resolve(preProcessor) if (preProcessor === "less-loader") { loader = { loader, options: { modifyVars: { 'primary-color': '#000000', 'link-color': '#1DA57A', 'border-radius-base': '2px', }, javascriptEnabled: true, } } } loaders.push(loader); } return loaders; }; // This is the development configuration. // It is focused on developer experience and fast rebuilds. // The production configuration is different and lives in a separate file. module.exports = { mode: 'development', // You may want 'eval' instead if you prefer to see the compiled output in DevTools. // See the discussion in https://github.com/facebook/create-react-app/issues/343 devtool: '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'), 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. ], output: { // Add /* filename */ comments to generated require()s in the output. pathinfo: true, // This does not produce a real file. It's just the virtual path that is // served by WebpackDevServer in development. This is the JS bundle // containing code from all our entry points, and the Webpack runtime. filename: 'static/js/bundle.js', // There are also additional JS chunk files if you use code splitting. chunkFilename: 'static/js/[name].chunk.js', // This is the URL that app is served from. We use "/" in development. publicPath: publicPath, // Point sourcemap entries to original disk location (format as URL on Windows) devtoolModuleFilenameTemplate: info => path.resolve(info.absoluteResourcePath).replace(/\\/g, '/'), }, optimization: { // 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 seperated 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: ['.mjs', '.web.js', '.js', '.json', '.web.jsx', '.jsx'], 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, and some ESnext features. { test: /\.(js|mjs|jsx)$/, include: paths.appSrc, loader: require.resolve('babel-loader'), options: { customize: require.resolve( 'babel-preset-react-app/webpack-overrides' ), plugins: [ [ require.resolve('babel-plugin-named-asset-import'), { loaderMap: { svg: { ReactComponent: '@svgr/webpack?-prettier,-svgo![path]', }, }, }, ], ], // This is a feature of `babel-loader` for webpack (not Babel itself). // It enables caching results in ./node_modules/.cache/babel-loader/ // directory for faster rebuilds. cacheDirectory: true, // Don't waste time on Gzipping the cache cacheCompression: false, }, }, // Process any JS outside of the app with Babel. // Unlike the application JS, we only compile the standard ES features. { test: /\.(js|mjs)$/, 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, // Don't waste time on Gzipping the cache cacheCompression: false, // 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 a plugin 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, }), }, // Adds support for CSS Modules (https://github.com/css-modules/css-modules) // using the extension .module.css { test: cssModuleRegex, use: getStyleLoaders({ importLoaders: 1, modules: true, getLocalIdent: getCSSModuleLocalIdent, }), }, // Opt-in support for SASS (using .scss or .sass extensions). // Chains the sass-loader with the css-loader and the style-loader // to immediately apply all styles to the DOM. // By default we support SASS Modules with the // extensions .module.scss or .module.sass { test: sassRegex, exclude: sassModuleRegex, use: getStyleLoaders({ importLoaders: 2 }, 'sass-loader'), }, // Adds support for CSS Modules, but using SASS // using the extension .module.scss or .module.sass { test: sassModuleRegex, use: getStyleLoaders( { importLoaders: 2, modules: true, getLocalIdent: getCSSModuleLocalIdent, }, 'sass-loader' ), }, { test: lessRegex, exclude: lessModuleRegex, use: getStyleLoaders({ importLoaders: 2 }, 'less-loader'), }, // Adds support for CSS Modules, but using SASS // using the extension .module.scss or .module.sass { test: lessModuleRegex, use: getStyleLoaders( { importLoaders: 2, modules: true, getLocalIdent: getCSSModuleLocalIdent, }, 'less-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. { // 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)$/, /\.html$/, /\.json$/], loader: require.resolve('file-loader'), 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({ inject: true, template: paths.appHtml, }), // 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 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 === 'development') { ... }. See `./env.js`. new webpack.DefinePlugin(env.stringified), // This is necessary to emit hot updates (currently CSS only): 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 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 new WatchMissingNodeModulesPlugin(paths.appNodeModules), // 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 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, }), ], // 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, };
webpack.config.prod.js中98-114
if (preProcessor) {
let loader = {
loader: require.resolve(preProcessor),
options: {
sourceMap: shouldUseSourceMap,
},
}
if (preProcessor === "less-loader") {
loader.options.modifyVars = {
'primary-color': '#000000',
'link-color': '#1DA57A',
'border-radius-base': '2px',
}
loader.options.javascriptEnabled = true
}
loaders.push(loader);
}
'use strict';
const path = require('path');
const webpack = require('webpack');
const PnpWebpackPlugin = require('pnp-webpack-plugin');
const HtmlWebpackPlugin = require('html-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 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');
// 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.
const publicPath = paths.servedPath;
// 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 = 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';
// `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 = publicPath.slice(0, -1);
// Get environment variables to inject into our app.
const env = getClientEnvironment(publicUrl);
// Assert this just to be safe.
// Development builds of React are slow and not intended for production.
if (env.stringified['process.env'].NODE_ENV !== '"production"') {
throw new Error('Production builds must have NODE_ENV=production.');
}
// style files regexes
const cssRegex = /\.css$/;
const cssModuleRegex = /\.module\.css$/;
const lessRegex = /\.less$/;
const lessModuleRegex = /\.module\.less$/;
const sassRegex = /\.(scss|sass)$/;
const sassModuleRegex = /\.module\.(scss|sass)$/;
// common function to get style loaders
const getStyleLoaders = (cssOptions, preProcessor) => {
const loaders = [
{
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: shouldUseSourceMap,
},
},
];
// if (preProcessor) {
// loaders.push({
// loader: require.resolve(preProcessor),
// options: {
// sourceMap: shouldUseSourceMap,
// },
// });
// }
if (preProcessor) {
let loader = {
loader: require.resolve(preProcessor),
options: {
sourceMap: shouldUseSourceMap,
},
}
if (preProcessor === "less-loader") {
loader.options.modifyVars = {
'primary-color': '#000000',
'link-color': '#1DA57A',
'border-radius-base': '2px',
}
loader.options.javascriptEnabled = true
}
loaders.push(loader);
}
return loaders;
};
// This is the production configuration.
// It compiles slowly and is focused on producing a fast and minimal bundle.
// The development configuration is different and lives in a separate file.
module.exports = {
mode: 'production',
// Don't attempt to continue if there are any errors.
bail: true,
// We generate sourcemaps in production. This is slow but gives good results.
// You can exclude the *.map files from the build during deployment.
devtool: shouldUseSourceMap ? 'source-map' : false,
// In production, we only want to load the app code.
entry: [paths.appIndexJs],
output: {
// The build folder.
path: paths.appBuild,
// Generated JS file names (with nested folders).
// There will be one main bundle, and one file per asynchronous chunk.
// We don't currently advertise code splitting but Webpack supports it.
filename: 'static/js/[name].[chunkhash:8].js',
chunkFilename: 'static/js/[name].[chunkhash:8].chunk.js',
// We inferred the "public path" (such as / or /my-project) from homepage.
publicPath: publicPath,
// Point sourcemap entries to original disk location (format as URL on Windows)
devtoolModuleFilenameTemplate: info =>
path
.relative(paths.appSrc, info.absoluteResourcePath)
.replace(/\\/g, '/'),
},
optimization: {
minimizer: [
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,
}),
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 seperated 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: ['.mjs', '.web.js', '.js', '.json', '.web.jsx', '.jsx'],
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 just like "file" loader but it also embeds
// assets smaller than specified size as data URLs to avoid requests.
{
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, and some ESnext features.
{
test: /\.(js|mjs|jsx)$/,
include: paths.appSrc,
loader: require.resolve('babel-loader'),
options: {
customize: require.resolve(
'babel-preset-react-app/webpack-overrides'
),
plugins: [
[
require.resolve('babel-plugin-named-asset-import'),
{
loaderMap: {
svg: {
ReactComponent: '@svgr/webpack?-prettier,-svgo![path]',
},
},
},
],
],
cacheDirectory: true,
// Save disk space when time isn't as important
cacheCompression: true,
compact: true,
},
},
// Process any JS outside of the app with Babel.
// Unlike the application JS, we only compile the standard ES features.
{
test: /\.(js|mjs)$/,
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,
// Save disk space when time isn't as important
cacheCompression: true,
// 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.
// `MiniCSSExtractPlugin` extracts styles into CSS
// files. If you use code splitting, async bundles will have their own separate CSS chunk file.
// By default we support CSS Modules with the extension .module.css
{
test: cssRegex,
exclude: cssModuleRegex,
loader: getStyleLoaders({
importLoaders: 1,
sourceMap: 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,
loader: getStyleLoaders({
importLoaders: 1,
sourceMap: shouldUseSourceMap,
modules: true,
getLocalIdent: getCSSModuleLocalIdent,
}),
},
// Opt-in support for SASS. The logic here is somewhat similar
// as in the CSS routine, except that "sass-loader" runs first
// to compile SASS files into CSS.
// By default we support SASS Modules with the
// extensions .module.scss or .module.sass
{
test: sassRegex,
exclude: sassModuleRegex,
loader: getStyleLoaders(
{
importLoaders: 2,
sourceMap: 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,
},
{
test: lessRegex,
exclude: lessModuleRegex,
loader: getStyleLoaders(
{
importLoaders: 2,
sourceMap: shouldUseSourceMap,
},
'less-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,
loader: getStyleLoaders(
{
importLoaders: 2,
sourceMap: shouldUseSourceMap,
modules: true,
getLocalIdent: getCSSModuleLocalIdent,
},
'sass-loader'
),
},
{
test: lessModuleRegex,
loader: getStyleLoaders(
{
importLoaders: 2,
sourceMap: shouldUseSourceMap,
modules: true,
getLocalIdent: getCSSModuleLocalIdent,
},
'less-loader'
),
},
// "file" loader makes sure assets end up in the `build` folder.
// When you `import` an asset, you get its filename.
// 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
// it's 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)$/, /\.html$/, /\.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({
inject: true,
template: paths.appHtml,
minify: {
removeComments: true,
collapseWhitespace: true,
removeRedundantAttributes: true,
useShortDoctype: true,
removeEmptyAttributes: true,
removeStyleLinkTypeAttributes: true,
keepClosingSlash: true,
minifyJS: true,
minifyCSS: true,
minifyURLs: true,
},
}),
// Inlines the webpack runtime script. This script is too small to warrant
// a network request.
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.
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 was set to production here.
// Otherwise React will be compiled in the very slow development mode.
new webpack.DefinePlugin(env.stringified),
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$/),
// Generate a service worker script that will precache, and keep up to date,
// the HTML & assets that are part of the Webpack build.
new WorkboxWebpackPlugin.GenerateSW({
clientsClaim: true,
exclude: [/\.map$/, /asset-manifest\.json$/],
importWorkboxFrom: 'cdn',
navigateFallback: publicUrl + '/index.html',
navigateFallbackBlacklist: [
// Exclude URLs starting with /_, as they're likely an API call
new RegExp('^/_'),
// Exclude URLs containing a dot, as they're likely a resource in
// public/ and not a SPA route
new RegExp('/[^/]+\\.[^/]+$'),
],
}),
].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,
};