Overriding socket.io's emit and on?

Question

During development, it helps me greatly to be able to see what packets arrive and gets sent. This is possible on the server side with logger. On the client end, however, the

Answer 1

To override socket.on you actually need to override socket.$emit.

Following example works both client and server-side (tested on socket.io 0.9.0):

(function() {
  var emit = socket.emit;
  socket.emit = function() {
    console.log('***','emit', Array.prototype.slice.call(arguments));
    emit.apply(socket, arguments);
  };
  var $emit = socket.$emit;
  socket.$emit = function() {
    console.log('***','on',Array.prototype.slice.call(arguments));
    $emit.apply(socket, arguments);
  };
})();