├── src ├── components │ ├── UserList.jsx │ ├── UserAddForm.jsx │ └── UserItem.jsx ├── App.css ├── App.test.js ├── index.css ├── index.js ├── App.js ├── serviceWorker.js └── logo.svg ├── public ├── robots.txt ├── favicon.ico ├── logo192.png ├── logo512.png ├── manifest.json └── index.html ├── README.md ├── .gitignore └── package.json /src/components/UserList.jsx: -------------------------------------------------------------------------------- 1 | -------------------------------------------------------------------------------- /src/components/UserAddForm.jsx: -------------------------------------------------------------------------------- 1 | -------------------------------------------------------------------------------- /public/robots.txt: -------------------------------------------------------------------------------- 1 | # https://www.robotstxt.org/robotstxt.html 2 | User-agent: * 3 | -------------------------------------------------------------------------------- /public/favicon.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/razvancir96/react-curs02/HEAD/public/favicon.ico -------------------------------------------------------------------------------- /public/logo192.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/razvancir96/react-curs02/HEAD/public/logo192.png -------------------------------------------------------------------------------- /public/logo512.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/razvancir96/react-curs02/HEAD/public/logo512.png -------------------------------------------------------------------------------- /src/App.css: -------------------------------------------------------------------------------- 1 | .app { 2 | /* vrem doar ca app sa ocupe toata pagina */ 3 | height: 100vh; 4 | } 5 | 6 | .app h1 { 7 | margin-top: 0; 8 | } 9 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ## JavaScript Advanced - Curs 2 2 | 3 | Pentru a rula aceasta etapa (in linie de comanda): 4 | 5 | #### 1. `git clone https://github.com/razvancir96/react-curs02.git` 6 | 7 | #### 2. `cd react-curs02` 8 | 9 | #### 3. `npm install` (posibil sa dureze) 10 | 11 | #### 4. `npm start` 12 | 13 | 14 | -------------------------------------------------------------------------------- /.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 | 21 | npm-debug.log* 22 | yarn-debug.log* 23 | yarn-error.log* 24 | -------------------------------------------------------------------------------- /src/index.css: -------------------------------------------------------------------------------- 1 | body { 2 | box-sizing: border-box; 3 | margin: 0; 4 | font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", 5 | "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", 6 | sans-serif; 7 | -webkit-font-smoothing: antialiased; 8 | -moz-osx-font-smoothing: grayscale; 9 | } 10 | 11 | code { 12 | font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New", 13 | monospace; 14 | } 15 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /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 | "src": "logo192.png", 12 | "type": "image/png", 13 | "sizes": "192x192" 14 | }, 15 | { 16 | "src": "logo512.png", 17 | "type": "image/png", 18 | "sizes": "512x512" 19 | } 20 | ], 21 | "start_url": ".", 22 | "display": "standalone", 23 | "theme_color": "#000000", 24 | "background_color": "#ffffff" 25 | } 26 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "admin-panel", 3 | "version": "0.1.0", 4 | "private": true, 5 | "dependencies": { 6 | "react": "^16.10.2", 7 | "react-dom": "^16.10.2", 8 | "react-scripts": "3.2.0" 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 | "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 | } 32 | -------------------------------------------------------------------------------- /src/components/UserItem.jsx: -------------------------------------------------------------------------------- 1 | // Intotdeauna importam React, pentru a putea folosi JSX (JS combinat cu HTML). 2 | import React from 'react'; 3 | 4 | // Pentru o componenta care nu se schimba din momentul afisarii 5 | // este de ajuns sa facem o functie care returneaza un div. 6 | function UserItem(props) { 7 | // ATENTIE! props este un obiect creat de REACT care are chei 'atributele' de HTML 8 | // folosite la crearea componentei UserItem (vezi in App.js) 9 | // pentru a extrage atributele obiectului props, folosim object destructuring (vezi Recapitulare) 10 | const {name, email} = props; 11 | // ATENTIE! intotdeauna este returnat un singur element HTML 12 | // (de obicei un div), care le contine pe celelalte! 13 | return( 14 |
15 | {/* Folosim {} pentru a integra variabile/expresii de JS in taguri de HTML. */} 16 |

{ name }

17 |

{ email }

18 |
19 | ); 20 | } 21 | 22 | // Pentru a putea fi utilizata in alte locuri, componenta trebuie exportata. 23 | export default UserItem; -------------------------------------------------------------------------------- /public/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 12 | 13 | 17 | 18 | 27 | React App 28 | 29 | 30 | 31 |
32 | 42 | 43 | 44 | -------------------------------------------------------------------------------- /src/App.js: -------------------------------------------------------------------------------- 1 | import React from 'react'; 2 | // nu uitati sa importati componentele folosite! 3 | import UserItem from './components/UserItem'; 4 | import './App.css'; 5 | 6 | // ATENTIE! Initial, in create-react-app, App era o functie. 7 | // Sintaxa in care App e o functie e pentru Hooks, iar noi nu o vom folosi. 8 | // App este o componenta complexa, ale carei componente se vor 9 | // modifica pe parcurs => trebuie sa fie o clasa! 10 | class App extends React.Component { 11 | // In constructor este apelat mai intai super, iar apoi este initializat state-ul 12 | constructor() { 13 | super(); 14 | this.state = { 15 | background: 'white' 16 | }; 17 | } 18 | 19 | // changeColor e o metoda a clasei, care primeste ca parametru un event. 20 | changeColor(event) { 21 | // VA INCURAJEZ pe parcursul cursului sa dati console.log de fiecare data cand aveti 22 | // o eroare sau o nelamurire in legatura cu datele prelucrate. In event.target.value 23 | // vedem ca avem culoarea selectata de utilizator, in format hexazecimal. Vom atribui 24 | // aceasta culoare background-ului aplicatiei. 25 | console.log(event.target.value); 26 | // ATENTIE! niciodata nu schimbam state-ul direct! (this.state = ...) 27 | // Pentru a schimba state-ul, folosim metoda setState, care primeste ca parametru un obiect/functie. 28 | // In cazul in care a primit un obiect, cheile obiectului sunt cheile state-ului ale 29 | // caror valori se doresc a fi actualizate. 30 | this.setState({background: event.target.value}); 31 | } 32 | 33 | // render se apeleaza de fiecare data cand se modifica state-ul! 34 | render() { 35 | return( 36 | // Prin style putem trimite CSS catre componenta. 37 | // ATENTIE! style este un obiect JS (primele acolade sunt de la sintaxa JSX). 38 | // Tot din cauza JSX, nu putem avea atributul de HTML 'class'. In React e className. 39 |
40 |

HELLO WORLD!

41 | {/* Componenta UserItem este "instantiata"(creata). 42 | In fisierul UserItem.jsx ea este doar declarata!! */} 43 | {/* Atributele name si email sunt puse intr-un obiect (DE CATRE REACT!!) 44 | si trimise catre componenta UserItem.jsx */} 45 | 46 | 47 | {/* input type color ne permite sa selectam o culoare. Cand selectam noua culoare 48 | se declanseaza evenimentul onChange, echivalent evenimentului onchange din HTML, sau 49 | a lui change, folosit de addEventListener. Functia executata atunci este changeColor, 50 | din clasa in care ne aflam. */} 51 | {/* AVEM NEVOIE DE ARROW FUNCTION! De ce? Altfel cand se apeleaza changeColor, 52 | this-ul nu mai este intreaga clasa! Vom discuta la cursul 4 mai multe despre this 53 | in React. 54 | De asemenea, trebuie sa pasam EVENTUL functiei changeColor, pentru a putea 55 | ulterior sa prelucram valoarea selectata de utilizator. 56 | Foarte important este sa realizam ca lui onChange ii trimitem o functie(metoda), 57 | nu un apel de functie! onChange va apela el respectiva functie cand se va schimba 58 | ceva! */} 59 | this.changeColor(event)}/> 60 |
61 | ); 62 | } 63 | } 64 | 65 | export default App; 66 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /src/logo.svg: -------------------------------------------------------------------------------- 1 | --------------------------------------------------------------------------------