node.js + CoffeeScript + Socket.IO + jQuery Mobile
서버/클라이언트 스크립트 코드 합쳐서 100줄이 안 되는 간단한 채팅 프로그램입니다.
npm install
npm start
{
"name": "mobile_chat",
"version": "1.0.0",
"description": "Mobile chatting",
"main": "./app.js",
"dependencies": {
"express": ">= 2.5",
"socket.io": ">= 0.9.2"
},
"scripts": {
"start": "forever start -c coffee app.coffee",
"stop": "forever stop -c coffee app.coffee"
}
}
<<< app.coffee >>>
express = require 'express'
app = express.createServer()
app.configure ->
app.use express.static(__dirname + '/public')
app.get '/', (req, res) ->
res.sendfile(__dirname + '/views/index.html')
io = require('socket.io').listen(app)
io.sockets.on 'connection', (socket) ->
console.log '* CONNECT'
socket.on 'enter', (data) ->
username = data.username.trim()
if username
console.log "* ENTER: #{username}"
socket.username = username
socket.emit 'enter'
io.sockets.emit 'talk',
message: "[ENTER] #{username}"
socket.on 'leave', (data) ->
console.log "* LEAVE: #{socket.username}"
socket.broadcast.emit 'talk',
message: "[LEAVE] #{socket.username}"
delete socket.username
socket.on 'talk', (data) ->
console.log "* TALK: #{data.message}"
io.sockets.emit 'talk',
message: "#{socket.username}: #{data.message}"
socket.on 'disconnect', (data) ->
console.log "* DISCONNECT: #{socket?.username}"
if socket.username
socket.broadcast.emit 'talk',
message: "[DISCONNECT] #{socket.username}"
app.listen 3000
console.log "Express server listening on port #{app.address().port}"
<<< views/index.html >>>
<!DOCTYPE html>
<html>
<head>
<title>Chat</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<meta charset="utf-8">
<link href="http://code.jquery.com/mobile/1.0.1/jquery.mobile-1.0.1.css" rel="stylesheet" type="text/css" />
<link href="/css/stylesheet.less" rel="stylesheet" type="text/less" />
<script src="http://lesscss.org/js/less.js" type="text/javascript"></script>
<script src="http://jashkenas.github.com/coffee-script/extras/coffee-script.js" type="text/javascript"></script>
<script src="/socket.io/socket.io.js" type="text/javascript"></script>
<script src="http://code.jquery.com/jquery-1.7.1.js" type="text/javascript"></script>
<script src="http://code.jquery.com/mobile/1.0.1/jquery.mobile-1.0.1.js" type="text/javascript"></script>
<script src="/js/application.coffee" type="text/coffeescript"></script>
</head>
<body>
<section id="loading" data-role="page">
Loading...
</section>
<section id="home" data-role="page">
<header data-role="header">
<h1>Chat</h1>
</header>
<div data-role="content">
<p>Welcome!</p>
<form>
<input type="text" name="username" placeholder="Username" />
<input type="submit" value="Enter" />
</form>
</div>
</section>
<section id="chat" data-role="page">
<header data-role="header">
<a href="#home" data-role="button" data-icon="arrow-l" data-direction="reverse">Back</a>
<h1>Chat room</h1>
</header>
<div data-role="content">
<div id="chat-area">
----
</div>
<form>
<input type="text" name="message" placeholder="Input here" />
<input type="submit" value="Send" />
</form>
</div>
</section>
</body>
</html>
<<< public/css/stylesheet.less >>>
#chat-area {
height: 200px;
overflow-y: scroll;
word-wrap: break-word;
}
<<< public/js/application.coffee >>>
$ ->
socket = io.connect('http://localhost')
socket.on 'disconnect', (data) ->
$.mobile.changePage '#home',
transition: 'flip'
socket.on 'enter', (data) ->
$('#chat-area').text('')
$.mobile.changePage '#chat',
transition: 'flip'
socket.on 'talk', (data) ->
message = $('<p></p>').text(data.message)
$('#chat-area').append(message)
.scrollTop($('#chat-area').prop('scrollHeight'))
$('#home').on 'submit', 'form', ->
socket.emit 'enter',
username: $('#home').find('input[name=username]').val()
false
$('#chat').on 'submit', 'form', ->
socket.emit 'talk',
message: $('#chat').find('input[name=message]').val()
this.reset()
false
$('#chat').on 'click', 'a[href=#home]', ->
socket.emit 'leave'
$.mobile.changePage '#home',
transition: 'pop'
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