var autoprefixer = require('autoprefixer'); var webpack = require('webpack'); var HtmlWebpackPlugin = require('html-webpack-plugin'); var CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin'); var InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin'); var WatchMissingNodeModulesPlugin = require('react-dev-utils/WatchMissingNodeModulesPlugin'); var getClientEnvironment = require('./env'); var paths = require('./paths'); // Webpack uses `publicPath` to determine where the app is being served from. // In development, we always serve from the root. This makes config easier. var 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. var publicUrl = ''; // Get environment variables to inject into our app. var env = getClientEnvironment(publicUrl); // 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 = { // You may want 'eval' instead if you prefer to see the compiled output in DevTools. // See the discussion in https://github.com/facebookincubator/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. // The first two entry points enable "hot" CSS and auto-refreshes for JS. 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'), // We ship a few polyfills by default: require.resolve('./polyfills'), // 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: { // Next line is not used in dev but WebpackDevServer crashes without it: path: paths.appBuild, // 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', // This is the URL that app is served from. We use "/" in development. publicPath: publicPath }, resolve: { // This allows you to set a fallback for where Webpack should look for modules. // We read `NODE_PATH` environment variable in `paths.js` and pass paths here. // We use `fallback` instead of `root` because we want `node_modules` to "win" // if there any conflicts. This matches Node resolution mechanism. // https://github.com/facebookincubator/create-react-app/issues/253 fallback: paths.nodePaths, // 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/facebookincubator/create-react-app/issues/290 extensions: ['.js', '.json', '.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' } }, module: { // First, run the linter. // It's important to do this before Babel processes the JS. preLoaders: [ { test: /\.(js|jsx)$/, loader: 'eslint', include: paths.appSrc, } ], loaders: [ // Default loader: load all assets that are not handled // by other loaders with the url loader. // Note: This list needs to be updated with every change of extensions // the other loaders match. // E.g., when adding a loader for a new supported file extension, // we need to add the supported extension to this loader too. // Add one new line in `exclude` for each loader. // // "file" loader makes sure those assets get served by WebpackDevServer. // When you `import` an asset, you get its (virtual) filename. // In production, they would get copied to the `build` folder. // "url" loader works like "file" loader except that it embeds assets // smaller than specified limit in bytes as data URLs to avoid requests. // A missing `test` is equivalent to a match. { exclude: [ /\.html$/, /\.(js|jsx)$/, /\.css$/, /\.json$/, /\.woff$/, /\.woff2$/, /\.(ttf|svg|eot)$/ ], loader: 'url', query: { limit: 10000, name: 'static/media/[name].[hash:8].[ext]' } }, // Process JS with Babel. { test: /\.(js|jsx)$/, include: paths.appSrc, loader: 'babel', query: { // 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 } }, // "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