23 | );
24 | }
25 |
26 | export default App;
27 |
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/package.json:
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1 | {
2 | "name": "quokka-create-react-app",
3 | "version": "0.1.0",
4 | "private": true,
5 | "dependencies": {
6 | "react": "^16.8.6",
7 | "react-dom": "^16.8.6",
8 | "react-scripts": "3.0.1"
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 | "production": [
21 | ">0.2%",
22 | "not dead",
23 | "not op_mini all"
24 | ],
25 | "development": [
26 | "last 1 chrome version",
27 | "last 1 firefox version",
28 | "last 1 safari version"
29 | ]
30 | },
31 | "devDependencies": {
32 | "@babel/register": "^7.4.4",
33 | "jsdom-quokka-plugin": "^1.0.14"
34 | }
35 | }
36 |
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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 |
26 |
27 |
37 |
38 |
39 |
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/README.md:
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1 | ## Quokka Create-React-App Sample
2 |
3 | This example project shows Quokka configured for a create-react-app
4 | application created using v3.0.1 with all defaults.
5 |
6 | ## Try Quokka on this project
7 |
8 | To try Quokka with this project, you'll need to clone this repo and run
9 | `yarn install`. After installing the packages, you're ready to go.
10 |
11 | 1. Open up `src/QuokkaExample.js`.
12 | 2. Start Quokka
13 | 3. In the example, you will see that we import `src/App.js` and load it into
14 | the browser DOM. We then access the component from the DOM by its class name
15 | and are outputting its innerHTML, which displays both inline in your editor
16 | and within the Quokka console.
17 |
18 | ## How did we configure Quokka for this project?
19 |
20 | Because create-react-app has a few runtime dependencies, we needed to specify
21 | some additional Quokka configuration to run project files:
22 |
23 | 1. Install `jsdom-quokka-plugin` package to provide browser-like environment.
24 | 2. Install `@babel/register` package to allow Quokka to run babel on imports.
25 |
26 | ```
27 | yarn add jsdom-quokka-plugin @babel/register --dev
28 | ```
29 |
30 | 3. Add a `.quokka` project file that tells Quokka to use the
31 | `jsdom-quokka-plugin` and to transpile your files using the `react-app` babel
32 | preset.
33 |
34 | *Please note:* you may install the `jsdom-quokka-plugin` and `@babel/register`
35 | packages to your [global quokka folder](https://quokkajs.com/docs/configuration.html#global-config-file)
36 | if you don't want to pollute your project's node modules. If you install
37 | globally, you will not need to add them again for subsequent projects.
38 |
39 | To install the packages in your global quokka folder:
40 |
41 | ```
42 | cd ~/.quokka
43 | npm install jsdom-quokka-plugin @babel/register
44 | ```
45 |
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/src/logo.svg:
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1 |
8 |
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/src/serviceWorker.js:
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1 | // This optional code is used to register a service worker.
2 | // register() is not called by default.
3 |
4 | // This lets the app load faster on subsequent visits in production, and gives
5 | // it offline capabilities. However, it also means that developers (and users)
6 | // will only see deployed updates on subsequent visits to a page, after all the
7 | // existing tabs open on the page have been closed, since previously cached
8 | // resources are updated in the background.
9 |
10 | // To learn more about the benefits of this model and instructions on how to
11 | // opt-in, read https://bit.ly/CRA-PWA
12 |
13 | const isLocalhost = Boolean(
14 | window.location.hostname === 'localhost' ||
15 | // [::1] is the IPv6 localhost address.
16 | window.location.hostname === '[::1]' ||
17 | // 127.0.0.1/8 is considered localhost for IPv4.
18 | window.location.hostname.match(
19 | /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
20 | )
21 | );
22 |
23 | export function register(config) {
24 | if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
25 | // The URL constructor is available in all browsers that support SW.
26 | const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
27 | if (publicUrl.origin !== window.location.origin) {
28 | // Our service worker won't work if PUBLIC_URL is on a different origin
29 | // from what our page is served on. This might happen if a CDN is used to
30 | // serve assets; see https://github.com/facebook/create-react-app/issues/2374
31 | return;
32 | }
33 |
34 | window.addEventListener('load', () => {
35 | const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
36 |
37 | if (isLocalhost) {
38 | // This is running on localhost. Let's check if a service worker still exists or not.
39 | checkValidServiceWorker(swUrl, config);
40 |
41 | // Add some additional logging to localhost, pointing developers to the
42 | // service worker/PWA documentation.
43 | navigator.serviceWorker.ready.then(() => {
44 | console.log(
45 | 'This web app is being served cache-first by a service ' +
46 | 'worker. To learn more, visit https://bit.ly/CRA-PWA'
47 | );
48 | });
49 | } else {
50 | // Is not localhost. Just register service worker
51 | registerValidSW(swUrl, config);
52 | }
53 | });
54 | }
55 | }
56 |
57 | function registerValidSW(swUrl, config) {
58 | navigator.serviceWorker
59 | .register(swUrl)
60 | .then(registration => {
61 | registration.onupdatefound = () => {
62 | const installingWorker = registration.installing;
63 | if (installingWorker == null) {
64 | return;
65 | }
66 | installingWorker.onstatechange = () => {
67 | if (installingWorker.state === 'installed') {
68 | if (navigator.serviceWorker.controller) {
69 | // At this point, the updated precached content has been fetched,
70 | // but the previous service worker will still serve the older
71 | // content until all client tabs are closed.
72 | console.log(
73 | 'New content is available and will be used when all ' +
74 | 'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
75 | );
76 |
77 | // Execute callback
78 | if (config && config.onUpdate) {
79 | config.onUpdate(registration);
80 | }
81 | } else {
82 | // At this point, everything has been precached.
83 | // It's the perfect time to display a
84 | // "Content is cached for offline use." message.
85 | console.log('Content is cached for offline use.');
86 |
87 | // Execute callback
88 | if (config && config.onSuccess) {
89 | config.onSuccess(registration);
90 | }
91 | }
92 | }
93 | };
94 | };
95 | })
96 | .catch(error => {
97 | console.error('Error during service worker registration:', error);
98 | });
99 | }
100 |
101 | function checkValidServiceWorker(swUrl, config) {
102 | // Check if the service worker can be found. If it can't reload the page.
103 | fetch(swUrl)
104 | .then(response => {
105 | // Ensure service worker exists, and that we really are getting a JS file.
106 | const contentType = response.headers.get('content-type');
107 | if (
108 | response.status === 404 ||
109 | (contentType != null && contentType.indexOf('javascript') === -1)
110 | ) {
111 | // No service worker found. Probably a different app. Reload the page.
112 | navigator.serviceWorker.ready.then(registration => {
113 | registration.unregister().then(() => {
114 | window.location.reload();
115 | });
116 | });
117 | } else {
118 | // Service worker found. Proceed as normal.
119 | registerValidSW(swUrl, config);
120 | }
121 | })
122 | .catch(() => {
123 | console.log(
124 | 'No internet connection found. App is running in offline mode.'
125 | );
126 | });
127 | }
128 |
129 | export function unregister() {
130 | if ('serviceWorker' in navigator) {
131 | navigator.serviceWorker.ready.then(registration => {
132 | registration.unregister();
133 | });
134 | }
135 | }
136 |
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