better.js

var db = new Db('node-mongo-blog', new Server(host, port, {}), {native_parser:true});

var blogstack = middleware(function(db, data, next) {
  db.open(function(err, db) {
    data.db = db;
    next();
  });
}, function(db, data, next) {
  db.dropDatabase(function(err, result) {
    next();
  });
}, function(db, data, next) {
  db.collection('authors', function(err, collection) {
    data.collection = collection;
    next();
  });
}, function(db, data, next) {
  data.authors = {};
  
  collection.insert([{'name':'William Shakespeare', 'email':'[email protected]', 'age':587},
    {'name':'Jorge Luis Borges', 'email':'[email protected]', 'age':123}], function(err, docs) {
      docs.forEach(function(doc) {
        data.authors[doc.name] = doc;
      });
      next();
  });
}, function(db, data, next) {
  data.collection.find({}, {'sort':[['age', 1]]}, function(err, cursor) {
    data.cursor = cursor;
    next();
  });
}, function(db, data, next) {
  data.cursor.each(function(err, author) {
    authorStack.handle(author, {});
  });
});

// var authorStack = ...
  
blogstack.handle(db, {});