Node.js express 3

Question

I want to put the fallowing in a helper but i get and require it in my app.js. My current error is app is not defined. I am new to node.js so if this is a easy one dont be to hard on me.

app.locals.use({flashMessages: function(req, res) {
var html = ""
  , flash  = req.flash();
['error', 'info'].forEach(function(type) {
  if(flash[type]) {
    flash[type].forEach(function(message) {
      html += "<div class='alert " + type + "'>" + message + "</div>";
    });
  }
});
return html; }});

Answer 1

You should either convert this to a function that accepts an app parameter, or you could put app into GLOBAL. See node.js global variables?