37 |
49 | );
50 | }
51 |
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/src/features/counter/Counter.tsx:
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1 | import React, { useState } from 'react';
2 | import { useSelector, useDispatch } from 'react-redux';
3 | import {
4 | decrement,
5 | increment,
6 | incrementByAmount,
7 | incrementAsync,
8 | selectCount,
9 | } from './counterSlice';
10 | import styles from './Counter.module.css';
11 |
12 | export function Counter() {
13 | const count = useSelector(selectCount);
14 | const dispatch = useDispatch();
15 | const [incrementAmount, setIncrementAmount] = useState('2');
16 |
17 | return (
18 |
38 | {!isLoggedIn &&
39 | }
46 | {isLoggedIn &&
48 | Token expiry date: {tokenExpiryDate}
}
47 |
19 |
59 | );
60 | }
61 |
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/src/App.tsx:
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1 | import React from 'react';
2 | import logo from './logo.svg';
3 | import { Counter } from './features/counter/Counter';
4 | import { Authorization } from './features/authorization/Authorization';
5 | import { SpotifyExample } from './features/spotifyExample/SpotifyExample';
6 | import './App.css';
7 |
8 | function App() {
9 | return (
10 |
20 |
27 | {count}
28 |
35 |
36 |
37 | setIncrementAmount(e.target.value)}
42 | />
43 |
51 |
57 |
58 |
11 |
12 | 
13 |
58 |
59 | );
60 | }
61 |
62 | export default App;
63 |
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/src/features/spotifyExample/spotifyExampleSlice.ts:
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1 | import { createSlice, PayloadAction } from '@reduxjs/toolkit';
2 | import { AppThunk, RootState } from '../../app/store';
3 | import {
4 | setLoggedIn
5 | } from '../../features/authorization/authorizationSlice';
6 |
7 | interface SpotifyExampleState {
8 | displayName: string,
9 | product: string
10 | }
11 |
12 | const initialState: SpotifyExampleState = {
13 | displayName: '',
14 | product: '',
15 | };
16 |
17 | export const spotifyexampleSlice = createSlice({
18 | name: 'spotifyExample',
19 | initialState,
20 | reducers: {
21 | setDisplayName: (state, action: PayloadAction
17 | Edit src/App.tsx and save to reload.
18 |
40 | Open [http://localhost:3000](http://localhost:3000) to view it in the browser. 41 | 42 | The page will reload if you make edits.
43 | You will also see any lint errors in the console. 44 | 45 | ### `npm test` 46 | 47 | Launches the test runner in the interactive watch mode.
48 | See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information. 49 | 50 | ### `npm run build` 51 | 52 | Builds the app for production to the `build` folder.
53 | It correctly bundles React in production mode and optimizes the build for the best performance. 54 | 55 | The build is minified and the filenames include the hashes.
56 | Your app is ready to be deployed! 57 | 58 | See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information. 59 | 60 | ### `npm run eject` 61 | 62 | **Note: this is a one-way operation. Once you `eject`, you can’t go back!** 63 | 64 | If you aren’t satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project. 65 | 66 | Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own. 67 | 68 | You don’t have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it. 69 | 70 | ## Learn More 71 | 72 | You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started). 73 | 74 | To learn React, check out the [React documentation](https://reactjs.org/). 75 | -------------------------------------------------------------------------------- /src/serviceWorker.ts: -------------------------------------------------------------------------------- 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 | // 127.0.0.0/8 are 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}$/ 20 | ) 21 | ); 22 | 23 | type Config = { 24 | onSuccess?: (registration: ServiceWorkerRegistration) => void; 25 | onUpdate?: (registration: ServiceWorkerRegistration) => void; 26 | }; 27 | 28 | export function register(config?: Config) { 29 | if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) { 30 | // The URL constructor is available in all browsers that support SW. 31 | const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href); 32 | if (publicUrl.origin !== window.location.origin) { 33 | // Our service worker won't work if PUBLIC_URL is on a different origin 34 | // from what our page is served on. This might happen if a CDN is used to 35 | // serve assets; see https://github.com/facebook/create-react-app/issues/2374 36 | return; 37 | } 38 | 39 | window.addEventListener('load', () => { 40 | const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`; 41 | 42 | if (isLocalhost) { 43 | // This is running on localhost. Let's check if a service worker still exists or not. 44 | checkValidServiceWorker(swUrl, config); 45 | 46 | // Add some additional logging to localhost, pointing developers to the 47 | // service worker/PWA documentation. 48 | navigator.serviceWorker.ready.then(() => { 49 | console.log( 50 | 'This web app is being served cache-first by a service ' + 51 | 'worker. To learn more, visit https://bit.ly/CRA-PWA' 52 | ); 53 | }); 54 | } else { 55 | // Is not localhost. Just register service worker 56 | registerValidSW(swUrl, config); 57 | } 58 | }); 59 | } 60 | } 61 | 62 | function registerValidSW(swUrl: string, config?: Config) { 63 | navigator.serviceWorker 64 | .register(swUrl) 65 | .then(registration => { 66 | registration.onupdatefound = () => { 67 | const installingWorker = registration.installing; 68 | if (installingWorker == null) { 69 | return; 70 | } 71 | installingWorker.onstatechange = () => { 72 | if (installingWorker.state === 'installed') { 73 | if (navigator.serviceWorker.controller) { 74 | // At this point, the updated precached content has been fetched, 75 | // but the previous service worker will still serve the older 76 | // content until all client tabs are closed. 77 | console.log( 78 | 'New content is available and will be used when all ' + 79 | 'tabs for this page are closed. See https://bit.ly/CRA-PWA.' 80 | ); 81 | 82 | // Execute callback 83 | if (config && config.onUpdate) { 84 | config.onUpdate(registration); 85 | } 86 | } else { 87 | // At this point, everything has been precached. 88 | // It's the perfect time to display a 89 | // "Content is cached for offline use." message. 90 | console.log('Content is cached for offline use.'); 91 | 92 | // Execute callback 93 | if (config && config.onSuccess) { 94 | config.onSuccess(registration); 95 | } 96 | } 97 | } 98 | }; 99 | }; 100 | }) 101 | .catch(error => { 102 | console.error('Error during service worker registration:', error); 103 | }); 104 | } 105 | 106 | function checkValidServiceWorker(swUrl: string, config?: Config) { 107 | // Check if the service worker can be found. If it can't reload the page. 108 | fetch(swUrl, { 109 | headers: { 'Service-Worker': 'script' }, 110 | }) 111 | .then(response => { 112 | // Ensure service worker exists, and that we really are getting a JS file. 113 | const contentType = response.headers.get('content-type'); 114 | if ( 115 | response.status === 404 || 116 | (contentType != null && contentType.indexOf('javascript') === -1) 117 | ) { 118 | // No service worker found. Probably a different app. Reload the page. 119 | navigator.serviceWorker.ready.then(registration => { 120 | registration.unregister().then(() => { 121 | window.location.reload(); 122 | }); 123 | }); 124 | } else { 125 | // Service worker found. Proceed as normal. 126 | registerValidSW(swUrl, config); 127 | } 128 | }) 129 | .catch(() => { 130 | console.log( 131 | 'No internet connection found. App is running in offline mode.' 132 | ); 133 | }); 134 | } 135 | 136 | export function unregister() { 137 | if ('serviceWorker' in navigator) { 138 | navigator.serviceWorker.ready 139 | .then(registration => { 140 | registration.unregister(); 141 | }) 142 | .catch(error => { 143 | console.error(error.message); 144 | }); 145 | } 146 | } 147 | --------------------------------------------------------------------------------