gistfile1.js

filterMongoosePrivates: function(doc) {
	var obj = {};
	var keys = _.reject(_.keys(doc._doc), function (key) { 
		return key.indexOf("_") === 0; 
	});
	for (var i=0,j=keys.length;i<j;i++) {
		obj[keys[i]] = doc[keys[i]];
	}
	return obj;
}