React App

├── .gitignore ├── README.md ├── package-lock.json ├── package.json ├── public ├── favicon.ico ├── index.html └── manifest.json └── src ├── App.css ├── App.js ├── App.test.js ├── bloc └── CounterBloc.js ├── index.css ├── index.js ├── logo.svg └── serviceWorker.js /.gitignore: -------------------------------------------------------------------------------- 1 | # See https://help.github.com/articles/ignoring-files/ for more about ignoring files. 2 | 3 | # dependencies 4 | /node_modules 5 | /.pnp 6 | .pnp.js 7 | 8 | # testing 9 | /coverage 10 | 11 | # production 12 | /build 13 | 14 | # misc 15 | .DS_Store 16 | .env.local 17 | .env.development.local 18 | .env.test.local 19 | .env.production.local 20 | .idea 21 | 22 | npm-debug.log* 23 | yarn-debug.log* 24 | yarn-error.log* 25 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Bloc React Example 2 | 3 | This is a React application trying to introduce conecpts of BLoC Pattern to React. 4 | This app is running on this [link](https://wiltonribeiro.github.io/bloc-react-example/). 5 | If you want to know more about it visit my [Medium profile](https://medium.com/@wiltonrcn). 6 | The app is an example of use of this [component](https://github.com/wiltonribeiro/bloc-builder-react). 7 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "bloc-react-example", 3 | "version": "0.1.0", 4 | "private": false, 5 | "homepage": "https://wiltonribeiro.github.io/bloc-react-example", 6 | "dependencies": { 7 | "bloc-builder-react": "^1.0.1", 8 | "gh-pages": "^2.0.1", 9 | "react": "^16.8.6", 10 | "react-dom": "^16.8.6", 11 | "react-scripts": "3.0.1" 12 | }, 13 | "scripts": { 14 | "predeploy" : "npm run build", 15 | "deploy" : "gh-pages -d build", 16 | "start": "react-scripts start", 17 | "build": "react-scripts build", 18 | "test": "react-scripts test", 19 | "eject": "react-scripts eject" 20 | }, 21 | "eslintConfig": { 22 | "extends": "react-app" 23 | }, 24 | "browserslist": { 25 | "production": [ 26 | ">0.2%", 27 | "not dead", 28 | "not op_mini all" 29 | ], 30 | "development": [ 31 | "last 1 chrome version", 32 | "last 1 firefox version", 33 | "last 1 safari version" 34 | ] 35 | } 36 | } 37 | -------------------------------------------------------------------------------- /public/favicon.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/wiltonribeiro/bloc-react-example/30570e35519406248f0a94ad363666a4d17314c0/public/favicon.ico -------------------------------------------------------------------------------- /public/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 12 | 13 | 22 | React App 23 | 24 | 25 | 26 |

27 | 37 | 38 | 39 | -------------------------------------------------------------------------------- /public/manifest.json: -------------------------------------------------------------------------------- 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 | -------------------------------------------------------------------------------- /src/App.css: -------------------------------------------------------------------------------- 1 | .App { 2 | text-align: center; 3 | } 4 | 5 | .App-logo { 6 | animation: App-logo-spin infinite 20s linear; 7 | height: 40vmin; 8 | pointer-events: none; 9 | } 10 | 11 | .App-header { 12 | background-color: #282c34; 13 | min-height: 100vh; 14 | display: flex; 15 | flex-direction: column; 16 | align-items: center; 17 | justify-content: center; 18 | font-size: calc(10px + 2vmin); 19 | color: white; 20 | } 21 | 22 | .App-buttons { 23 | width: 30%; 24 | margin-top: 20px; 25 | display: flex; 26 | justify-content: space-around; 27 | } 28 | 29 | .App-link { 30 | color: #61dafb; 31 | } 32 | 33 | button { 34 | background-color: #61dafb; 35 | border: none; 36 | color: #282c34; 37 | padding: 20px; 38 | text-align: center; 39 | text-decoration: none; 40 | display: inline-block; 41 | font-size: 16px; 42 | margin: 4px 2px; 43 | cursor: pointer; 44 | border-radius: 8px; 45 | 46 | } 47 | 48 | @keyframes App-logo-spin { 49 | from { 50 | transform: rotate(0deg); 51 | } 52 | to { 53 | transform: rotate(360deg); 54 | } 55 | } 56 | -------------------------------------------------------------------------------- /src/App.js: -------------------------------------------------------------------------------- 1 | import React from 'react'; 2 | import logo from './logo.svg'; 3 | import './App.css'; 4 | import BlocBuilder from "bloc-builder-react"; 5 | import CounterBloc from "./bloc/CounterBloc"; 6 | 7 | class App extends React.Component { 8 | 9 | constructor(props){ 10 | super(props); 11 | this.bloc = new CounterBloc(); 12 | } 13 | 14 | render() { 15 | return ( 16 |

17 |

18 | 19 |

20 | 21 | { 24 | switch (!snapshot.error) { 25 | case true: 26 | return ( 27 |

The count has the current value of {snapshot.data}

28 | ); 29 | default : 30 | return (

Error : {snapshot.error}

); 31 | } 32 | }} 33 | /> 34 | 35 |

36 | 37 | 38 | 39 |

40 | 41 |

42 |

43 | ); 44 | } 45 | } 46 | 47 | export default App; 48 | -------------------------------------------------------------------------------- /src/App.test.js: -------------------------------------------------------------------------------- 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 | -------------------------------------------------------------------------------- /src/bloc/CounterBloc.js: -------------------------------------------------------------------------------- 1 | import * as rxjs from 'rxjs'; 2 | 3 | class CounterBloc { 4 | 5 | constructor(){ 6 | this.counterSubject = new rxjs.BehaviorSubject(0); 7 | } 8 | 9 | increment = () =>{ 10 | let count = this.counterSubject.getValue() + 1; 11 | this.counterSubject.next(count); 12 | }; 13 | 14 | decrement = () => { 15 | let count = this.counterSubject.getValue() - 1; 16 | this.counterSubject.next(count); 17 | }; 18 | 19 | error = () => { 20 | this.counterSubject.error("An error simulation"); 21 | }; 22 | 23 | getCounterSubject = () => { 24 | return this.counterSubject; 25 | }; 26 | 27 | } 28 | 29 | export default CounterBloc; 30 | -------------------------------------------------------------------------------- /src/index.css: -------------------------------------------------------------------------------- 1 | body { 2 | margin: 0; 3 | font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", 4 | "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", 5 | sans-serif; 6 | -webkit-font-smoothing: antialiased; 7 | -moz-osx-font-smoothing: grayscale; 8 | } 9 | 10 | code { 11 | font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New", 12 | monospace; 13 | } 14 | -------------------------------------------------------------------------------- /src/index.js: -------------------------------------------------------------------------------- 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: https://bit.ly/CRA-PWA 12 | serviceWorker.unregister(); 13 | -------------------------------------------------------------------------------- /src/logo.svg: -------------------------------------------------------------------------------- 1 | 8 | -------------------------------------------------------------------------------- /src/serviceWorker.js: -------------------------------------------------------------------------------- 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 | --------------------------------------------------------------------------------