tds5016

gistfile1.js

io.sockets.on('connection', function (socket) {
    var timeout = false;
    fs.watch('public/images/slides/', {}, function(eventType, filename){
      if (eventType == 'change'){
        if(timeout) clearTimeout(timeout);
        timeout = setTimeout(function() {
          var base64_data = new Buffer(fs.readFileSync('public/images/slides/'+filename)).toString('base64');
          socket.emit('newSlide', base64_data);
        }, 100);
      }
    });
});