├── .gitignore ├── README.md ├── package-lock.json ├── package.json ├── public ├── favicon.ico ├── index.html ├── logo192.png ├── logo512.png ├── manifest.json └── robots.txt └── src ├── App.css ├── App.js ├── App.test.js ├── components ├── FirstPerson.js ├── PersonSwitcher.js ├── SecondPerson.js └── index.js ├── index.css ├── index.js ├── logo.svg ├── serviceWorker.js └── store └── chat.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 | 21 | npm-debug.log* 22 | yarn-debug.log* 23 | yarn-error.log* 24 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | This app was built from my article on [RxJS with React Hooks for state management](https://blog.logrocket.com/rxjs-with-react-hooks-for-state-management) 2 | 3 | Link to hosted app: [rxjs-react-chat](https://rxjs-react-chat.netlify.com) 4 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "rxjs_react_chat", 3 | "version": "0.1.0", 4 | "private": true, 5 | "dependencies": { 6 | "react": "^16.11.0", 7 | "react-dom": "^16.11.0", 8 | "react-router-dom": "^5.1.2", 9 | "react-scripts": "3.2.0" 10 | }, 11 | "scripts": { 12 | "start": "react-scripts start", 13 | "build": "react-scripts build", 14 | "test": "react-scripts test", 15 | "eject": "react-scripts eject" 16 | }, 17 | "eslintConfig": { 18 | "extends": "react-app" 19 | }, 20 | "browserslist": { 21 | "production": [ 22 | ">0.2%", 23 | "not dead", 24 | "not op_mini all" 25 | ], 26 | "development": [ 27 | "last 1 chrome version", 28 | "last 1 firefox version", 29 | "last 1 safari version" 30 | ] 31 | } 32 | } 33 | -------------------------------------------------------------------------------- /public/favicon.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ebenezerdon/rxjs_react_chat/04df85528ad3cbb80b2cd492c81ac8249f85859d/public/favicon.ico -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /public/logo192.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ebenezerdon/rxjs_react_chat/04df85528ad3cbb80b2cd492c81ac8249f85859d/public/logo192.png -------------------------------------------------------------------------------- /public/logo512.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ebenezerdon/rxjs_react_chat/04df85528ad3cbb80b2cd492c81ac8249f85859d/public/logo512.png -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /public/robots.txt: -------------------------------------------------------------------------------- 1 | # https://www.robotstxt.org/robotstxt.html 2 | User-agent: * 3 | -------------------------------------------------------------------------------- /src/App.css: -------------------------------------------------------------------------------- 1 | .container { 2 | font-family: Arial, Helvetica, sans-serif; 3 | padding: 1em; 4 | } 5 | 6 | .chat-box { 7 | background: #202020; 8 | margin: auto; 9 | padding: 2em; 10 | height: 35em; 11 | width: 95%; 12 | border-radius: 20px; 13 | overflow-y: scroll; 14 | } 15 | 16 | .first-person, .second-person { 17 | display: inline-block; 18 | color: #fff; 19 | height: 25px; 20 | min-width: 20%; 21 | max-width: 60%; 22 | padding: 20px; 23 | text-align: center; 24 | vertical-align: middle; 25 | border-radius: 30px; 26 | } 27 | 28 | .first-person { 29 | background: rgb(0, 173, 231); 30 | } 31 | 32 | .second-person { 33 | background: #06c406; 34 | float: right; 35 | } 36 | 37 | .clear{ 38 | clear: both; 39 | display: block; 40 | content: ""; 41 | width: 100%; 42 | } 43 | 44 | .switcher-div { 45 | padding-top: 1em; 46 | text-align: center; 47 | } 48 | 49 | #messageForm { 50 | text-align: center; 51 | margin-top: 1.5em; 52 | } 53 | 54 | #messageForm input { 55 | height: 2em; 56 | width: 23em; 57 | border-radius: 3em; 58 | padding: 1em; 59 | } 60 | 61 | #messageForm button { 62 | margin-left: 2em; 63 | height: 2.7em; 64 | width: 6.2em; 65 | border-radius: 25px; 66 | border: none; 67 | cursor: pointer; 68 | } 69 | 70 | .clear-button { 71 | background: #d40000; 72 | color: #fff; 73 | float: right; 74 | margin-right: 3em; 75 | text-align: center; 76 | height: 2.5em; 77 | width: 8em; 78 | cursor: pointer; 79 | } 80 | 81 | .switcher { 82 | background: #cecece; 83 | color: #141414; 84 | height: 2.5em; 85 | width: 6em; 86 | border-radius: 25px; 87 | border: 1 px solid black; 88 | margin-right: 1em; 89 | cursor: pointer; 90 | } 91 | 92 | .notify { 93 | position: absolute; 94 | background: #db0000; 95 | color: white; 96 | height: 1em; 97 | width: 1em; 98 | border-radius: 100%; 99 | padding: 0.15em; 100 | margin-left: 0.5em; 101 | margin-top: -0.5em; 102 | } 103 | -------------------------------------------------------------------------------- /src/App.js: -------------------------------------------------------------------------------- 1 | import React from 'react'; 2 | import { BrowserRouter as Router, Route, Switch } from 'react-router-dom'; 3 | import { FirstPerson, SecondPerson, PersonSwitcher } from './components'; 4 | import './App.css'; 5 | 6 | const App = () => ( 7 | 8 | <> 9 | 10 | 11 | > 12 | > 13 | > 14 | 15 | 16 | 17 | ); 18 | 19 | export default App; 20 | -------------------------------------------------------------------------------- /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/components/FirstPerson.js: -------------------------------------------------------------------------------- 1 | import React, { useState, useLayoutEffect } from "react"; 2 | import chatStore from '../store/chat'; 3 | 4 | const FirstPerson = () => { 5 | const [chatState, setChatState] = useState(chatStore.initialState); 6 | 7 | useLayoutEffect(()=> { 8 | const subs = chatStore.subscribe(setChatState); 9 | chatStore.init(); 10 | 11 | return () => subs.unsubscribe(); 12 | },[]); 13 | 14 | const onFormSubmit = e => { 15 | e.preventDefault(); 16 | const messageObject = { 17 | person: 'first-person', 18 | text: e.target.elements.messageInput.value.trim(), 19 | }; 20 | chatStore.sendMessage(messageObject); 21 | document.getElementById('messageForm').reset(); 22 | }; 23 | 24 | return ( 25 |
26 |

Mycroft

27 |
28 | {chatState.data.map(message => ( 29 |
30 |

{message.text}

31 |
32 |
33 | ))} 34 |
35 |
36 | 43 |
44 |
45 | 48 |
49 | ); 50 | } 51 | 52 | export default FirstPerson; -------------------------------------------------------------------------------- /src/components/PersonSwitcher.js: -------------------------------------------------------------------------------- 1 | import React, {useState, useEffect} from 'react'; 2 | import { Link } from 'react-router-dom'; 3 | import chatStore from '../store/chat'; 4 | 5 | const PersonSwitcher = () => { 6 | const [chatState, setChatState] = useState(chatStore.initialState); 7 | const location = window.location.href.split('/')[3]; 8 | 9 | useEffect(() => { 10 | chatStore.subscribe(setChatState); 11 | chatStore.init(); 12 | }, []) 13 | 14 | const messageNotification = chatState.newDataCount > 0 15 | && ({chatState.newDataCount}); 16 | 17 | return ( 18 |
19 | 23 | 27 |
28 | ); 29 | } 30 | 31 | export default PersonSwitcher; 32 | -------------------------------------------------------------------------------- /src/components/SecondPerson.js: -------------------------------------------------------------------------------- 1 | import React, { useState, useLayoutEffect } from "react"; 2 | import chatStore from '../store/chat'; 3 | 4 | const SecondPerson = () => { 5 | const [chatState, setChatState] = useState(chatStore.initialState); 6 | 7 | useLayoutEffect(()=> { 8 | const subs = chatStore.subscribe(setChatState); 9 | chatStore.init(); 10 | 11 | return () => subs.unsubscribe(); 12 | },[]); 13 | 14 | const onFormSubmit = e => { 15 | e.preventDefault(); 16 | const messageObject = { 17 | person: 'second-person', 18 | text: e.target.elements.messageInput.value.trim(), 19 | }; 20 | chatStore.sendMessage(messageObject); 21 | document.getElementById('messageForm').reset(); 22 | }; 23 | 24 | return ( 25 |
26 |

Cortana

27 |
28 | {chatState.data.map(message => ( 29 |
30 |

{message.text}

31 |
32 |
33 | ))} 34 |
35 |
36 | 42 |
43 |
44 | 47 |
48 | ); 49 | } 50 | 51 | export default SecondPerson; 52 | -------------------------------------------------------------------------------- /src/components/index.js: -------------------------------------------------------------------------------- 1 | export { default as FirstPerson } from './FirstPerson'; 2 | export { default as SecondPerson } from './SecondPerson'; 3 | export { default as PersonSwitcher } from './PersonSwitcher'; 4 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /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/store/chat.js: -------------------------------------------------------------------------------- 1 | import { Subject } from 'rxjs'; 2 | 3 | const subject = new Subject(); 4 | const initialState = { 5 | status: '', 6 | data: [], 7 | newDataCount: 0, 8 | error: '' 9 | }; 10 | 11 | let state = initialState; 12 | 13 | const chatStore = { 14 | init: () => { 15 | state = {...state, newDataCount: 0} 16 | subject.next(state) 17 | }, 18 | subscribe: setState => subject.subscribe(setState), 19 | sendMessage: message => { 20 | state = { 21 | ...state, 22 | data: [...state.data, message], 23 | newDataCount: state.newDataCount + 1 24 | }; 25 | subject.next(state); 26 | }, 27 | clearChat: () => { 28 | state = initialState; 29 | subject.next(state); 30 | }, 31 | initialState 32 | }; 33 | 34 | export default chatStore; 35 | --------------------------------------------------------------------------------