Add Random Screen Name Functionality
Video Lecture
src/server/screenName.ts
1 2 3 4 | type ScreenName = { name: string abbreviation: string } |
src/server/randomScreenNameGenerator.ts
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | export default class randomScreenNameGenerator { private animals = ['Cat', 'Dog', 'Bird', 'Tiger', 'Giraffe', 'Elephant', 'Koala', 'Bee', 'Fly', 'Fish', 'Frog']; private colours = ['Red', 'Green', 'Blue', 'Yellow', 'Orange', 'Purple']; constructor() { } public generateRandomScreenName() { let colour = this.colours[Math.floor(Math.random() * this.colours.length)] let animal = this.animals[Math.floor(Math.random() * this.animals.length)] let screenName: ScreenName = { name: colour + " " + animal, abbreviation: colour[0] + animal[0] } return screenName } } |
src/server/server.ts
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | import express from "express" import path from "path" import http from "http" import socketIO from "socket.io" import LuckyNumbersGame from "./luckyNumbersGame" import RandomScreenNameGenerator from "./randomScreenNameGenerator" const port: number = 3000 class App { private server: http.Server private port: number private io: socketIO.Server private game: LuckyNumbersGame private randomScreenNameGenerator: RandomScreenNameGenerator constructor(port: number) { this.port = port const app = express() app.use(express.static(path.join(__dirname, '../client'))) app.use('/jquery', express.static(path.join(__dirname, '../../node_modules/jquery/dist'))) app.use('/bootstrap', express.static(path.join(__dirname, '../../node_modules/bootstrap/dist'))) this.server = new http.Server(app) this.io = new socketIO.Server(this.server); this.game = new LuckyNumbersGame() this.randomScreenNameGenerator = new RandomScreenNameGenerator(); this.io.on('connection', (socket: socketIO.Socket) => { console.log('a user connected : ' + socket.id) let screenName: ScreenName = this.randomScreenNameGenerator.generateRandomScreenName() socket.emit("screenName", screenName) socket.on('disconnect', function () { console.log('socket disconnected : ' + socket.id); }); socket.on('chatMessage', function (chatMessage: ChatMessage) { socket.broadcast.emit('chatMessage', chatMessage) }); }) } public Start() { this.server.listen(this.port) console.log( `Server listening on port ${this.port}.` ) } } new App(port).Start() |
src/client/client.ts
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | type ChatMessage = { message: string from: string } type ScreenName = { name: string abbreviation: string } class Client { private socket: SocketIOClient.Socket private screenName:ScreenName constructor() { this.socket = io(); this.socket.on("connect", function () { console.log("connect") }) this.socket.on("disconnect", function (message: any) { console.log("disconnect " + message) location.reload(); }) this.socket.on("screenName", (screenName: ScreenName) => { this.screenName = screenName $(".screenName").text(this.screenName.name) }) this.socket.on("chatMessage", (chatMessage: ChatMessage) => { $("#messages").append("<li><span class='float-right'><span class='circle'>" + chatMessage.from + "</span></span><div class='otherMessage'>" + chatMessage.message + "</div></li>") this.scrollChatWindow() }) $(document).ready(() => { $('#messageText').keypress((e) => { var key = e.which; if (key == 13) // the enter key code { this.sendMessage() return false; } }); }) } private scrollChatWindow = () => { $('#messages').animate({ scrollTop: $('#messages li:last-child').position().top }, 500); setTimeout(() => { let messagesLength = $("#messages li"); if (messagesLength.length > 10) { messagesLength.eq(0).remove(); } }, 500) } public sendMessage() { let messageText = $("#messageText").val(); if (messageText.toString().length > 0) { this.socket.emit("chatMessage", <ChatMessage>{ message: messageText, from: this.screenName.abbreviation }) $("#messages").append("<li><span class='float-left'><span class='circle'>" + this.screenName.abbreviation + "</span></span><div class='myMessage'>" + messageText + "</div></li>") this.scrollChatWindow() $("#messageText").val(""); } } public showGame(id: number) { switch (id) { case 0: $("#gamePanel1").fadeOut(100) $("#gamePanel2").fadeOut(100) $("#gamePanel0").delay(100).fadeIn(100) break; case 1: $("#gamePanel0").fadeOut(100) $("#gamePanel2").fadeOut(100) $("#gamePanel1").delay(100).fadeIn(100) break; case 2: $("#gamePanel0").fadeOut(100) $("#gamePanel1").fadeOut(100) $("#gamePanel2").delay(100).fadeIn(100) break; } } } const client = new Client(); |
dist/client/index.html
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>TypeScript Socket.IO Course</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="bootstrap/css/bootstrap.min.css"> <style> .gamePanel { position: relative; border: solid 1px gray; height: 382px; border-radius: 0px 20px 4px 20px; box-shadow: 15px 10px #dddddd; } #gamePanel0 { display: block; background: linear-gradient(180deg, rgba(195, 112, 34, 0.164) 0%, rgba(156, 200, 105, 0.495) 100%); } #gamePanel1 { display: none; background: linear-gradient(56deg, rgba(225, 238, 255, 0.492) 0%, rgba(122, 67, 250, 0.495) 100%); } #gamePanel2 { display: none; background: linear-gradient(56deg, rgba(235, 204, 32, 0.492) 0%, rgba(251, 188, 106, 0.495) 100%); } .chatPanel { border: solid 1px gray; border-radius: 20px 0px 4px 4px; box-shadow: 15px 10px #dddddd; background: rgb(34, 193, 195); background: linear-gradient(56deg, rgba(34, 193, 195, 0.49193275943189773) 0%, rgba(253, 187, 45, 0.494733879880077) 100%); position: relative; } .chatMessageInputDiv { position: absolute; bottom: 0px; width: 100%; } .messages { padding-left: 0; overflow: hidden; height: 340px; margin-bottom: 40px; } .messages li { list-style-type: none; margin-bottom: 30px; padding: 6px 6px 6px 6px; display: block } .otherMessage { background: #ffcda3; border: solid 1px gray; margin: 0px 5px 5px 0px; float: right; padding: 0px 6px 0px 6px; border-radius: 10px 10px 0 10px; } .myMessage { background: #1bffbb; border: solid 1px gray; margin: 0px 5px 5px 5px; float: left; padding: 0px 6px 0px 6px; border-radius: 10px 10px 10px 0; } .screenName { padding: 6px 6px 6px 6px; border-radius: 10px 10px 10px 10px; font-weight: bold; background: #1bffbb; } .circle { padding: 6px; background: gray; border-radius: 50px; } .jumbotron { margin-top: -40px; height: 180px; } .footer { margin-top: 10px; } </style> </head> <body> <div class="jumbotron text-center" style="margin-bottom:0"> <h1>Lucky Numbers Mini-Games</h1> <p><a href="https://sbcode.net/tssock" target="_blank">https://sbcode.net/tssock</a> </p> </div> <nav class="navbar navbar-expand-sm bg-dark navbar-dark"> <a class="navbar-brand" href="#">Games</a> <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#collapsibleNavbar"> <span class="navbar-toggler-icon"></span> </button> <div class="collapse navbar-collapse" id="collapsibleNavbar"> <ul class="navbar-nav"> <li class="nav-item"> <a class="nav-link" href="#" onclick="client.showGame(0)">🥉Bronze Game</a> </li> <li class="nav-item"> <a class="nav-link" href="#" onclick="client.showGame(1)">🥈Silver Game</a> </li> <li class="nav-item"> <a class="nav-link" href="#" onclick="client.showGame(2)">🥇Gold Game</a> </li> </ul> </div> </nav> <div class="container" style="margin-top:30px"> <div class="row"> <div class="col-sm-8"> <div class="gamePanel" id="gamePanel0"> <h2 id="gameTitle">🥉Bronze Game</h2> <div class="p-2">Your Screen Name is <span class="screenName"></span></div> </div> <div class="gamePanel" id="gamePanel1"> <h2 id="gameTitle">🥈Silver Game</h2> <div class="p-2">Your Screen Name is <span class="screenName"></span></div> </div> <div class="gamePanel" id="gamePanel2"> <h2 id="gameTitle">🥇Gold Game</h2> <div class="p-2">Your Screen Name is <span class="screenName"></span></div> </div> </div> <div class="col-sm-4"> <div class="chatPanel"> <ol id="messages" class="messages"> </ol> <div class="chatMessageInputDiv"> <div class="input-group"> <input class="form-control width100" id="messageText" placeholder="Enter Chat Message" onkeyup=""> <span class="input-group-btn"> <button class="btn btn-info" onclick="client.sendMessage()">Send</button> </span> </div> </div> </div> </div> </div> </div> <div class="footer text-center" style="margin-bottom:0"> This is an example game from the TypeScript SocketIO course at <a href="https://sbcode.net/tssock" target="_blank">https://sbcode.net/tssock</a> </div> <script src="jquery/jquery.min.js"></script> <script src="bootstrap/js/bootstrap.bundle.min.js"></script> <script src="socket.io/socket.io.js"></script> <script src="client.js"></script> </body> </html> |