1 | ;
|
2 |
|
3 | const autoprefixer = require('autoprefixer');
|
4 | const path = require('path');
|
5 | const webpack = require('webpack');
|
6 | const ExtractTextPlugin = require('extract-text-webpack-plugin');
|
7 | const ManifestPlugin = require('webpack-manifest-plugin');
|
8 | const SWPrecacheWebpackPlugin = require('sw-precache-webpack-plugin');
|
9 | const eslintFormatter = require('react-dev-utils/eslintFormatter');
|
10 | const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin');
|
11 | var nodeExternals = require('webpack-node-externals');
|
12 | const paths = require('./paths');
|
13 | const getClientEnvironment = require('./env');
|
14 |
|
15 | // Webpack uses `publicPath` to determine where the app is being served from.
|
16 | // It requires a trailing slash, or the file assets will get an incorrect path.
|
17 | const publicPath = paths.servedPath;
|
18 | // Some apps do not use client-side routing with pushState.
|
19 | // For these, "homepage" can be set to "." to enable relative asset paths.
|
20 | const shouldUseRelativeAssetPaths = publicPath === './';
|
21 | // Source maps are resource heavy and can cause out of memory issue for large source files.
|
22 | const shouldUseSourceMap = process.env.GENERATE_SOURCEMAP !== 'false';
|
23 | // `publicUrl` is just like `publicPath`, but we will provide it to our app
|
24 | // as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
|
25 | // Omit trailing slash as %PUBLIC_URL%/xyz looks better than %PUBLIC_URL%xyz.
|
26 | const publicUrl = publicPath.slice(0, -1);
|
27 | // Get environment variables to inject into our app.
|
28 | const env = getClientEnvironment(publicUrl);
|
29 |
|
30 | // Assert this just to be safe.
|
31 | // Development builds of React are slow and not intended for production.
|
32 | if (env.stringified['process.env'].NODE_ENV !== '"production"') {
|
33 | throw new Error('Production builds must have NODE_ENV=production.');
|
34 | }
|
35 |
|
36 | // Note: defined here because it will be used more than once.
|
37 | const cssFilename = 'static/css/[name].[contenthash:8].css';
|
38 |
|
39 | // ExtractTextPlugin expects the build output to be flat.
|
40 | // (See https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/27)
|
41 | // However, our output is structured with css, js and media folders.
|
42 | // To have this structure working with relative paths, we have to use custom options.
|
43 | const extractTextPluginOptions = shouldUseRelativeAssetPaths
|
44 | ? // Making sure that the publicPath goes back to to build folder.
|
45 | { publicPath: Array(cssFilename.split('/').length).join('../') }
|
46 | : {};
|
47 |
|
48 | // This is the production configuration.
|
49 | // It compiles slowly and is focused on producing a fast and minimal bundle.
|
50 | // The development configuration is different and lives in a separate file.
|
51 | module.exports = {
|
52 | // Don't attempt to continue if there are any errors.
|
53 | bail: true,
|
54 | // We generate sourcemaps in production. This is slow but gives good results.
|
55 | // You can exclude the *.map files from the build during deployment.
|
56 | devtool: shouldUseSourceMap ? 'source-map' : false,
|
57 | // In production, we only want to load the polyfills and the app code.
|
58 | entry: [require.resolve('./polyfills'), paths.appIndexJs],
|
59 | target: 'node',
|
60 | externals: [
|
61 | nodeExternals([
|
62 | 'instafeed.js',
|
63 | 'react-sizeme'
|
64 | ])],
|
65 | output: {
|
66 | // The build folder.
|
67 | path: paths.appBuild,
|
68 | // Generated JS file names (with nested folders).
|
69 | // There will be one main bundle, and one file per asynchronous chunk.
|
70 | // We don't currently advertise code splitting but Webpack supports it.
|
71 | filename: 'index.js',
|
72 | library: '',
|
73 | libraryTarget: 'commonjs',
|
74 | // We inferred the "public path" (such as / or /my-project) from homepage.
|
75 | publicPath: publicPath,
|
76 | // Point sourcemap entries to original disk location (format as URL on Windows)
|
77 | devtoolModuleFilenameTemplate: info =>
|
78 | path
|
79 | .relative(paths.appSrc, info.absoluteResourcePath)
|
80 | .replace(/\\/g, '/'),
|
81 | },
|
82 | resolve: {
|
83 | // This allows you to set a fallback for where Webpack should look for modules.
|
84 | // We placed these paths second because we want `node_modules` to "win"
|
85 | // if there are any conflicts. This matches Node resolution mechanism.
|
86 | // https://github.com/facebookincubator/create-react-app/issues/253
|
87 | modules: ['node_modules', paths.appNodeModules, paths.appSrc].concat(
|
88 | // It is guaranteed to exist because we tweak it in `env.js`
|
89 | process.env.NODE_PATH.split(path.delimiter).filter(Boolean)
|
90 | ),
|
91 | // These are the reasonable defaults supported by the Node ecosystem.
|
92 | // We also include JSX as a common component filename extension to support
|
93 | // some tools, although we do not recommend using it, see:
|
94 | // https://github.com/facebookincubator/create-react-app/issues/290
|
95 | // `web` extension prefixes have been added for better support
|
96 | // for React Native Web.
|
97 | extensions: ['.web.js', '.mjs', '.js', '.json', '.web.jsx', '.jsx'],
|
98 | alias: {
|
99 |
|
100 | // Support React Native Web
|
101 | // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
|
102 | 'react-native': 'react-native-web',
|
103 | 'SRC': paths.appSrc
|
104 | },
|
105 | plugins: [
|
106 | // Prevents users from importing files from outside of src/ (or node_modules/).
|
107 | // This often causes confusion because we only process files within src/ with babel.
|
108 | // To fix this, we prevent you from importing files out of src/ -- if you'd like to,
|
109 | // please link the files into your node_modules/ and let module-resolution kick in.
|
110 | // Make sure your source files are compiled, as they will not be processed in any way.
|
111 | new ModuleScopePlugin(paths.appSrc, [paths.appPackageJson]),
|
112 | ],
|
113 | },
|
114 | module: {
|
115 | strictExportPresence: true,
|
116 | rules: [
|
117 | // TODO: Disable require.ensure as it's not a standard language feature.
|
118 | // We are waiting for https://github.com/facebookincubator/create-react-app/issues/2176.
|
119 | // { parser: { requireEnsure: false } },
|
120 |
|
121 | // First, run the linter.
|
122 | // It's important to do this before Babel processes the JS.
|
123 | {
|
124 | test: /\.(js|jsx|mjs)$/,
|
125 | enforce: 'pre',
|
126 | use: [
|
127 | {
|
128 | options: {
|
129 | formatter: eslintFormatter,
|
130 | eslintPath: require.resolve('eslint'),
|
131 |
|
132 | },
|
133 | loader: require.resolve('eslint-loader'),
|
134 | },
|
135 | ],
|
136 | include: paths.appSrc,
|
137 | },
|
138 | {
|
139 | // "oneOf" will traverse all following loaders until one will
|
140 | // match the requirements. When no loader matches it will fall
|
141 | // back to the "file" loader at the end of the loader list.
|
142 | oneOf: [
|
143 | // Process JS with Babel.
|
144 | {
|
145 | test: /\.(js|jsx|mjs)$/,
|
146 | include: paths.appSrc,
|
147 | loader: require.resolve('babel-loader'),
|
148 | options: {
|
149 |
|
150 | compact: false,
|
151 | },
|
152 | },
|
153 | ],
|
154 | },
|
155 | ],
|
156 | },
|
157 | plugins: [
|
158 | // Makes some environment variables available to the JS code, for example:
|
159 | // if (process.env.NODE_ENV === 'development') { ... }. See `./env.js`.
|
160 | new webpack.DefinePlugin(env.stringified),
|
161 | // Generate a service worker script that will precache, and keep up to date,
|
162 | // the HTML & assets that are part of the Webpack build.
|
163 | new SWPrecacheWebpackPlugin({
|
164 | // By default, a cache-busting query parameter is appended to requests
|
165 | // used to populate the caches, to ensure the responses are fresh.
|
166 | // If a URL is already hashed by Webpack, then there is no concern
|
167 | // about it being stale, and the cache-busting can be skipped.
|
168 | dontCacheBustUrlsMatching: /\.\w{8}\./,
|
169 | filename: 'service-worker.js',
|
170 | logger(message) {
|
171 | if (message.indexOf('Total precache size is') === 0) {
|
172 | // This message occurs for every build and is a bit too noisy.
|
173 | return;
|
174 | }
|
175 | if (message.indexOf('Skipping static resource') === 0) {
|
176 | // This message obscures real errors so we ignore it.
|
177 | // https://github.com/facebookincubator/create-react-app/issues/2612
|
178 | return;
|
179 | }
|
180 | console.log(message);
|
181 | },
|
182 | minify: false,
|
183 | // For unknown URLs, fallback to the index page
|
184 | navigateFallback: publicUrl + '/index.html',
|
185 | // Ignores URLs starting from /__ (useful for Firebase):
|
186 | // https://github.com/facebookincubator/create-react-app/issues/2237#issuecomment-302693219
|
187 | navigateFallbackWhitelist: [/^(?!\/__).*/],
|
188 | // Don't precache sourcemaps (they're large) and build asset manifest:
|
189 | staticFileGlobsIgnorePatterns: [/\.map$/, /asset-manifest\.json$/],
|
190 | }),
|
191 | // Moment.js is an extremely popular library that bundles large locale files
|
192 | // by default due to how Webpack interprets its code. This is a practical
|
193 | // solution that requires the user to opt into importing specific locales.
|
194 | // https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
|
195 | // You can remove this if you don't use Moment.js:
|
196 | new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
|
197 | ],
|
198 | // Some libraries import Node modules but don't use them in the browser.
|
199 | // Tell Webpack to provide empty mocks for them so importing them works.
|
200 | node: {
|
201 | dgram: 'empty',
|
202 | fs: 'empty',
|
203 | net: 'empty',
|
204 | tls: 'empty',
|
205 | child_process: 'empty',
|
206 | }
|
207 | };
|