1 | // @remove-on-eject-begin
|
2 | /**
|
3 | * Copyright (c) 2015-present, Facebook, Inc.
|
4 | * All rights reserved.
|
5 | *
|
6 | * This source code is licensed under the BSD-style license found in the
|
7 | * LICENSE file in the root directory of this source tree. An additional grant
|
8 | * of patent rights can be found in the PATENTS file in the same directory.
|
9 | */
|
10 | // @remove-on-eject-end
|
11 | ;
|
12 |
|
13 | const autoprefixer = require("autoprefixer");
|
14 | const webpack = require("webpack");
|
15 | const HtmlWebpackPlugin = require("html-webpack-plugin");
|
16 | const CaseSensitivePathsPlugin = require("case-sensitive-paths-webpack-plugin");
|
17 | const InterpolateHtmlPlugin = require("react-dev-utils/InterpolateHtmlPlugin");
|
18 | const WatchMissingNodeModulesPlugin = require("react-dev-utils/WatchMissingNodeModulesPlugin");
|
19 | const getClientEnvironment = require("./env");
|
20 | const paths = require("./paths");
|
21 |
|
22 | // Webpack uses `publicPath` to determine where the app is being served from.
|
23 | // In development, we always serve from the root. This makes config easier.
|
24 | const publicPath = "/";
|
25 | // `publicUrl` is just like `publicPath`, but we will provide it to our app
|
26 | // as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
|
27 | // Omit trailing slash as %PUBLIC_PATH%/xyz looks better than %PUBLIC_PATH%xyz.
|
28 | const publicUrl = "";
|
29 | // Get environment variables to inject into our app.
|
30 | const env = getClientEnvironment(publicUrl);
|
31 |
|
32 | // This is the development configuration.
|
33 | // It is focused on developer experience and fast rebuilds.
|
34 | // The production configuration is different and lives in a separate file.
|
35 | module.exports = {
|
36 | target: "electron-renderer",
|
37 | // You may want 'eval' instead if you prefer to see the compiled output in DevTools.
|
38 | // See the discussion in https://github.com/facebookincubator/create-react-app/issues/343.
|
39 | devtool: "cheap-module-source-map",
|
40 | // These are the "entry points" to our application.
|
41 | // This means they will be the "root" imports that are included in JS bundle.
|
42 | // The first two entry points enable "hot" CSS and auto-refreshes for JS.
|
43 | entry: [
|
44 | // Include an alternative client for WebpackDevServer. A client's job is to
|
45 | // connect to WebpackDevServer by a socket and get notified about changes.
|
46 | // When you save a file, the client will either apply hot updates (in case
|
47 | // of CSS changes), or refresh the page (in case of JS changes). When you
|
48 | // make a syntax error, this client will display a syntax error overlay.
|
49 | // Note: instead of the default WebpackDevServer client, we use a custom one
|
50 | // to bring better experience for Create React App users. You can replace
|
51 | // the line below with these two lines if you prefer the stock client:
|
52 | // require.resolve('webpack-dev-server/client') + '?/',
|
53 | // require.resolve('webpack/hot/dev-server'),
|
54 | require.resolve("react-dev-utils/webpackHotDevClient"),
|
55 | // We ship a few polyfills by default:
|
56 | require.resolve("./polyfills"),
|
57 | // Errors should be considered fatal in development
|
58 | // Finally, this is your app's code:
|
59 | paths.appIndexJs
|
60 | // We include the app code last so that if there is a runtime error during
|
61 | // initialization, it doesn't blow up the WebpackDevServer client, and
|
62 | // changing JS code would still trigger a refresh.
|
63 | ],
|
64 | output: {
|
65 | // Next line is not used in dev but WebpackDevServer crashes without it:
|
66 | path: paths.appBuild,
|
67 | // Add /* filename */ comments to generated require()s in the output.
|
68 | pathinfo: true,
|
69 | // This does not produce a real file. It's just the virtual path that is
|
70 | // served by WebpackDevServer in development. This is the JS bundle
|
71 | // containing code from all our entry points, and the Webpack runtime.
|
72 | filename: "static/js/bundle.js",
|
73 | // This is the URL that app is served from. We use "/" in development.
|
74 | publicPath: publicPath
|
75 | },
|
76 | resolve: {
|
77 | // This allows you to set a fallback for where Webpack should look for modules.
|
78 | // We read `NODE_PATH` environment variable in `paths.js` and pass paths here.
|
79 | // We placed these paths second because we want `node_modules` to "win"
|
80 | // if there are any conflicts. This matches Node resolution mechanism.
|
81 | // https://github.com/facebookincubator/create-react-app/issues/253
|
82 | modules: ["node_modules", paths.appNodeModules].concat(paths.nodePaths),
|
83 | // These are the reasonable defaults supported by the Node ecosystem.
|
84 | // We also include JSX as a common component filename extension to support
|
85 | // some tools, although we do not recommend using it, see:
|
86 | // https://github.com/facebookincubator/create-react-app/issues/290
|
87 | extensions: [".js", ".json", ".jsx"],
|
88 | alias: {
|
89 | // Support React Native Web
|
90 | // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
|
91 | "react-native": "react-native-web"
|
92 | }
|
93 | },
|
94 | // @remove-on-eject-begin
|
95 | // Resolve loaders (webpack plugins for CSS, images, transpilation) from the
|
96 | // directory of `react-scripts` itself rather than the project directory.
|
97 | resolveLoader: {
|
98 | modules: [
|
99 | paths.ownNodeModules,
|
100 | // Lerna hoists everything, so we need to look in our app directory
|
101 | paths.appNodeModules
|
102 | ]
|
103 | },
|
104 | // @remove-on-eject-end
|
105 | module: {
|
106 | rules: [
|
107 | // Disable require.ensure as it's not a standard language feature.
|
108 | { parser: { requireEnsure: false } },
|
109 | // First, run the linter.
|
110 | // It's important to do this before Babel processes the JS.
|
111 | {
|
112 | test: /\.(js|jsx)$/,
|
113 | enforce: "pre",
|
114 | use: [
|
115 | {
|
116 | // @remove-on-eject-begin
|
117 | // Point ESLint to our predefined config.
|
118 | options: {
|
119 | baseConfig: {
|
120 | extends: ["react-app"]
|
121 | },
|
122 | useEslintrc: false
|
123 | },
|
124 | // @remove-on-eject-end
|
125 | loader: "eslint-loader"
|
126 | }
|
127 | ],
|
128 | include: paths.appSrc
|
129 | },
|
130 | // ** ADDING/UPDATING LOADERS **
|
131 | // The "url" loader handles all assets unless explicitly excluded.
|
132 | // The `exclude` list *must* be updated with every change to loader extensions.
|
133 | // When adding a new loader, you must add its `test`
|
134 | // as a new entry in the `exclude` list for "url" loader.
|
135 |
|
136 | // "file" loader makes sure those assets get served by WebpackDevServer.
|
137 | // When you `import` an asset, you get its (virtual) filename.
|
138 | // In production, they would get copied to the `build` folder.
|
139 | {
|
140 | exclude: [
|
141 | /\.html$/,
|
142 | /\.(js|jsx)$/,
|
143 | /\.css$/,
|
144 | /\.json$/,
|
145 | /\.bmp$/,
|
146 | /\.gif$/,
|
147 | /\.jpe?g$/,
|
148 | /\.png$/
|
149 | ],
|
150 | loader: "file-loader",
|
151 | options: {
|
152 | name: "static/media/[name].[hash:8].[ext]"
|
153 | }
|
154 | },
|
155 | // "url" loader works like "file" loader except that it embeds assets
|
156 | // smaller than specified limit in bytes as data URLs to avoid requests.
|
157 | // A missing `test` is equivalent to a match.
|
158 | {
|
159 | test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
|
160 | loader: "url-loader",
|
161 | options: {
|
162 | limit: 10000,
|
163 | name: "static/media/[name].[hash:8].[ext]"
|
164 | }
|
165 | },
|
166 | // Process JS with Babel.
|
167 | {
|
168 | test: /\.(js|jsx)$/,
|
169 | include: paths.appSrc,
|
170 | loader: "babel-loader",
|
171 | options: {
|
172 | // @remove-on-eject-begin
|
173 | babelrc: false,
|
174 | presets: [require.resolve("babel-preset-react-app")],
|
175 | // @remove-on-eject-end
|
176 | // This is a feature of `babel-loader` for webpack (not Babel itself).
|
177 | // It enables caching results in ./node_modules/.cache/babel-loader/
|
178 | // directory for faster rebuilds.
|
179 | cacheDirectory: true
|
180 | }
|
181 | },
|
182 | // "postcss" loader applies autoprefixer to our CSS.
|
183 | // "css" loader resolves paths in CSS and adds assets as dependencies.
|
184 | // "style" loader turns CSS into JS modules that inject <style> tags.
|
185 | // In production, we use a plugin to extract that CSS to a file, but
|
186 | // in development "style" loader enables hot editing of CSS.
|
187 | {
|
188 | test: /\.css$/,
|
189 | use: [
|
190 | "style-loader",
|
191 | {
|
192 | loader: "css-loader",
|
193 | options: {
|
194 | importLoaders: 1
|
195 | }
|
196 | },
|
197 | {
|
198 | loader: "postcss-loader",
|
199 | options: {
|
200 | ident: "postcss", // https://webpack.js.org/guides/migrating/#complex-options
|
201 | plugins: () => [
|
202 | autoprefixer({
|
203 | browsers: [
|
204 | ">1%",
|
205 | "last 4 versions",
|
206 | "Firefox ESR",
|
207 | "not ie < 9" // React doesn't support IE8 anyway
|
208 | ]
|
209 | })
|
210 | ]
|
211 | }
|
212 | }
|
213 | ]
|
214 | }
|
215 | // ** STOP ** Are you adding a new loader?
|
216 | // Remember to add the new extension(s) to the "url" loader exclusion list.
|
217 | ]
|
218 | },
|
219 | plugins: [
|
220 | // Makes some environment variables available in index.html.
|
221 | // The public URL is available as %PUBLIC_URL% in index.html, e.g.:
|
222 | // <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
|
223 | // In development, this will be an empty string.
|
224 | new InterpolateHtmlPlugin(env.raw),
|
225 | // Generates an `index.html` file with the <script> injected.
|
226 | new HtmlWebpackPlugin({
|
227 | inject: true,
|
228 | template: paths.appHtml
|
229 | }),
|
230 | // Makes some environment variables available to the JS code, for example:
|
231 | // if (process.env.NODE_ENV === 'development') { ... }. See `./env.js`.
|
232 | new webpack.DefinePlugin(env.stringified),
|
233 | // This is necessary to emit hot updates (currently CSS only):
|
234 | new webpack.HotModuleReplacementPlugin(),
|
235 | // Watcher doesn't work well if you mistype casing in a path so we use
|
236 | // a plugin that prints an error when you attempt to do this.
|
237 | // See https://github.com/facebookincubator/create-react-app/issues/240
|
238 | new CaseSensitivePathsPlugin(),
|
239 | // If you require a missing module and then `npm install` it, you still have
|
240 | // to restart the development server for Webpack to discover it. This plugin
|
241 | // makes the discovery automatic so you don't have to restart.
|
242 | // See https://github.com/facebookincubator/create-react-app/issues/186
|
243 | new WatchMissingNodeModulesPlugin(paths.appNodeModules)
|
244 | ],
|
245 | // Some libraries import Node modules but don't use them in the browser.
|
246 | // Tell Webpack to provide empty mocks for them so importing them works.
|
247 | node: {
|
248 | fs: "empty",
|
249 | net: "empty",
|
250 | tls: "empty"
|
251 | },
|
252 | // Turn off performance hints during development because we don't do any
|
253 | // splitting or minification in interest of speed. These warnings become
|
254 | // cumbersome.
|
255 | performance: {
|
256 | hints: false
|
257 | }
|
258 | };
|