NodeChat

Node.js socket.io based chat web application
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index.js (859B)

      1 var app = require('express')();
      2 var http = require('http').Server(app);
      3 var io = require('socket.io')(http);
      4 var port = process.env.PORT || 3000;
      5 
      6 app.get('/', function(req, res){
      7   res.sendFile(__dirname + '/index.html');
      8 });
      9 
     10 io.on('connection', function(socket){
     11   socket.on('username', function(username){
     12     socket.username = username;
     13     var address = socket.request.connection.remoteAddress;
     14     io.emit('is_online', '🔵 <i>' + socket.username + ' (' + address + ') joined the chat..</i>');
     15   });
     16 
     17 
     18   socket.on('disconnect', function(username) {
     19       io.emit('is_online', '🔴 <i>' + socket.username + ' left the chat..</i>');
     20   });
     21 
     22   socket.on('chat message', function(msg){
     23 
     24     io.emit('chat message','â–’ '+ socket.username + ': ' +  msg);
     25   });
     26 
     27 });
     28 
     29 http.listen(port, function(){
     30   console.log('you are now chatting on port ' + port);
     31 });