├── .github
└── FUNDING.yml
├── .gitignore
├── .prettierrc
├── .travis.yml
├── README.md
├── package-lock.json
├── package.json
├── public
├── favicon.ico
├── index.html
└── manifest.json
└── src
├── App.js
├── App.test.js
├── Navigation.js
├── Navigation.module.css
├── index.css
├── index.js
└── serviceWorker.js
/.github/FUNDING.yml:
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1 | # These are supported funding model platforms
2 |
3 | github: rwieruch
4 | patreon: # rwieruch
5 | open_collective: # Replace with a single Open Collective username
6 | ko_fi: # Replace with a single Ko-fi username
7 | tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
8 | community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
9 | liberapay: # Replace with a single Liberapay username
10 | issuehunt: # Replace with a single IssueHunt username
11 | otechie: # Replace with a single Otechie username
12 | custom: # Replace with a single custom sponsorship URL
13 |
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/.gitignore:
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1 | # See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
2 |
3 | # dependencies
4 | /node_modules
5 |
6 | # testing
7 | /coverage
8 |
9 | # production
10 | /build
11 |
12 | # misc
13 | .DS_Store
14 | .env.local
15 | .env.development.local
16 | .env.test.local
17 | .env.production.local
18 |
19 | npm-debug.log*
20 | yarn-debug.log*
21 | yarn-error.log*
22 |
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/.prettierrc:
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1 | {
2 | "semi": true,
3 | "trailingComma": "all",
4 | "singleQuote": true,
5 | "printWidth": 70,
6 | }
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/.travis.yml:
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1 | language: node_js
2 |
3 | node_js:
4 | - stable
5 |
6 | install:
7 | - npm install
8 |
9 | script:
10 | - npm test
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/README.md:
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1 | # create-react-app-with-css-modules
2 |
3 | [](https://travis-ci.org/the-road-to-learn-react/create-react-app-with-css-modules) [](https://slack-the-road-to-learn-react.wieruch.com/) [](https://greenkeeper.io/)
4 |
5 | Showcasing how CSS Modules can be used in create-react-app. [Read more about it](https://www.robinwieruch.de/create-react-app-css-modules). TLDR: They can be used out of the box, by using the *.module.css* prefix (e.g. *Navigation.module.css*) for your CSS files.
6 |
7 | ## Features
8 |
9 | * create-react-app 2
10 | * CSS Modules
11 |
12 | ## Installation
13 |
14 | * `git clone git@github.com:the-road-to-learn-react/create-react-app-with-css-modules.git`
15 | * cd create-react-app-with-css-modules
16 | * npm install
17 | * npm start
18 | * visit `http://localhost:3000`
19 |
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/package.json:
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1 | {
2 | "name": "create-react-app-css-modules",
3 | "version": "0.1.0",
4 | "private": true,
5 | "dependencies": {
6 | "react": "^16.5.2",
7 | "react-dom": "^16.5.2",
8 | "react-scripts": "3.1.0"
9 | },
10 | "scripts": {
11 | "start": "react-scripts start",
12 | "build": "react-scripts build",
13 | "test": "react-scripts test",
14 | "eject": "react-scripts eject"
15 | },
16 | "eslintConfig": {
17 | "extends": "react-app"
18 | },
19 | "browserslist": [
20 | ">0.2%",
21 | "not dead",
22 | "not ie <= 11",
23 | "not op_mini all"
24 | ]
25 | }
26 |
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/public/favicon.ico:
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https://raw.githubusercontent.com/the-road-to-learn-react/create-react-app-with-css-modules/fd49ec3aaf013e4b81e3d07a3eb40b7ddadd244f/public/favicon.ico
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/public/index.html:
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
12 |
13 |
22 | React App
23 |
24 |
25 |
28 |
29 |
39 |
40 |
41 |
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/public/manifest.json:
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1 | {
2 | "short_name": "React App",
3 | "name": "Create React App Sample",
4 | "icons": [
5 | {
6 | "src": "favicon.ico",
7 | "sizes": "64x64 32x32 24x24 16x16",
8 | "type": "image/x-icon"
9 | }
10 | ],
11 | "start_url": ".",
12 | "display": "standalone",
13 | "theme_color": "#000000",
14 | "background_color": "#ffffff"
15 | }
16 |
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/src/App.js:
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1 | import React, { Component } from 'react';
2 |
3 | import Navigation from './Navigation';
4 |
5 | const LINKS = [
6 | { label: 'Website', to: 'https://www.robinwieruch.de/' },
7 | { label: 'Twitter', to: 'https://twitter.com/rwieruch' },
8 | ];
9 |
10 | class App extends Component {
11 | render() {
12 | return (
13 |
14 |
15 |
16 | );
17 | }
18 | }
19 |
20 | export default App;
21 |
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/src/App.test.js:
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1 | import React from 'react';
2 | import ReactDOM from 'react-dom';
3 | import App from './App';
4 |
5 | it('renders without crashing', () => {
6 | const div = document.createElement('div');
7 | ReactDOM.render(, div);
8 | ReactDOM.unmountComponentAtNode(div);
9 | });
10 |
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/src/Navigation.js:
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1 | import React from 'react';
2 |
3 | import styles from './Navigation.module.css';
4 |
5 | const Navigation = ({ links }) => (
6 |
20 | );
21 |
22 | export default Navigation;
23 |
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/src/Navigation.module.css:
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1 | .navigation {
2 | background-color: #222;
3 | }
4 |
5 | .navigation-list {
6 | list-style: none;
7 | margin: 0;
8 | padding: 0;
9 |
10 | display: flex;
11 | justify-content: center;
12 | }
13 |
14 | .navigation-list-item {
15 | margin: 10px 20px;
16 | }
17 |
18 | .navigation-list-item-anchor {
19 | text-decoration: none;
20 | color: #ffffff;
21 | }
22 |
23 | .navigation-list-item-anchor:visited {
24 | color: #ffffff;
25 | }
26 |
27 | .navigation-list-item-anchor:hover {
28 | color: #525dce;
29 | }
30 |
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/src/index.css:
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1 | body {
2 | margin: 0;
3 | padding: 0;
4 |
5 | font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto',
6 | 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans',
7 | 'Helvetica Neue', sans-serif;
8 | }
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/src/index.js:
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1 | import React from 'react';
2 | import ReactDOM from 'react-dom';
3 | import './index.css';
4 | import App from './App';
5 | import * as serviceWorker from './serviceWorker';
6 |
7 | ReactDOM.render(, document.getElementById('root'));
8 |
9 | // If you want your app to work offline and load faster, you can change
10 | // unregister() to register() below. Note this comes with some pitfalls.
11 | // Learn more about service workers: http://bit.ly/CRA-PWA
12 | serviceWorker.unregister();
13 |
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/src/serviceWorker.js:
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1 | // In production, we register a service worker to serve assets from local cache.
2 |
3 | // This lets the app load faster on subsequent visits in production, and gives
4 | // it offline capabilities. However, it also means that developers (and users)
5 | // will only see deployed updates on the "N+1" visit to a page, since previously
6 | // cached resources are updated in the background.
7 |
8 | // To learn more about the benefits of this model, read https://goo.gl/KwvDNy.
9 | // This link also includes instructions on opting out of this behavior.
10 |
11 | const isLocalhost = Boolean(
12 | window.location.hostname === 'localhost' ||
13 | // [::1] is the IPv6 localhost address.
14 | window.location.hostname === '[::1]' ||
15 | // 127.0.0.1/8 is considered localhost for IPv4.
16 | window.location.hostname.match(
17 | /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
18 | )
19 | );
20 |
21 | export function register(config) {
22 | if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
23 | // The URL constructor is available in all browsers that support SW.
24 | const publicUrl = new URL(process.env.PUBLIC_URL, window.location);
25 | if (publicUrl.origin !== window.location.origin) {
26 | // Our service worker won't work if PUBLIC_URL is on a different origin
27 | // from what our page is served on. This might happen if a CDN is used to
28 | // serve assets; see https://github.com/facebook/create-react-app/issues/2374
29 | return;
30 | }
31 |
32 | window.addEventListener('load', () => {
33 | const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
34 |
35 | if (isLocalhost) {
36 | // This is running on localhost. Let's check if a service worker still exists or not.
37 | checkValidServiceWorker(swUrl, config);
38 |
39 | // Add some additional logging to localhost, pointing developers to the
40 | // service worker/PWA documentation.
41 | navigator.serviceWorker.ready.then(() => {
42 | console.log(
43 | 'This web app is being served cache-first by a service ' +
44 | 'worker. To learn more, visit https://goo.gl/SC7cgQ'
45 | );
46 | });
47 | } else {
48 | // Is not local host. Just register service worker
49 | registerValidSW(swUrl, config);
50 | }
51 | });
52 | }
53 | }
54 |
55 | function registerValidSW(swUrl, config) {
56 | navigator.serviceWorker
57 | .register(swUrl)
58 | .then(registration => {
59 | registration.onupdatefound = () => {
60 | const installingWorker = registration.installing;
61 | installingWorker.onstatechange = () => {
62 | if (installingWorker.state === 'installed') {
63 | if (navigator.serviceWorker.controller) {
64 | // At this point, the old content will have been purged and
65 | // the fresh content will have been added to the cache.
66 | // It's the perfect time to display a "New content is
67 | // available; please refresh." message in your web app.
68 | console.log('New content is available; please refresh.');
69 |
70 | // Execute callback
71 | if (config.onUpdate) {
72 | config.onUpdate(registration);
73 | }
74 | } else {
75 | // At this point, everything has been precached.
76 | // It's the perfect time to display a
77 | // "Content is cached for offline use." message.
78 | console.log('Content is cached for offline use.');
79 |
80 | // Execute callback
81 | if (config.onSuccess) {
82 | config.onSuccess(registration);
83 | }
84 | }
85 | }
86 | };
87 | };
88 | })
89 | .catch(error => {
90 | console.error('Error during service worker registration:', error);
91 | });
92 | }
93 |
94 | function checkValidServiceWorker(swUrl, config) {
95 | // Check if the service worker can be found. If it can't reload the page.
96 | fetch(swUrl)
97 | .then(response => {
98 | // Ensure service worker exists, and that we really are getting a JS file.
99 | if (
100 | response.status === 404 ||
101 | response.headers.get('content-type').indexOf('javascript') === -1
102 | ) {
103 | // No service worker found. Probably a different app. Reload the page.
104 | navigator.serviceWorker.ready.then(registration => {
105 | registration.unregister().then(() => {
106 | window.location.reload();
107 | });
108 | });
109 | } else {
110 | // Service worker found. Proceed as normal.
111 | registerValidSW(swUrl, config);
112 | }
113 | })
114 | .catch(() => {
115 | console.log(
116 | 'No internet connection found. App is running in offline mode.'
117 | );
118 | });
119 | }
120 |
121 | export function unregister() {
122 | if ('serviceWorker' in navigator) {
123 | navigator.serviceWorker.ready.then(registration => {
124 | registration.unregister();
125 | });
126 | }
127 | }
128 |
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