kao-mongo

var thunkify = require('thunkify')

module.exports = function(model){
   var methods = ['save',
    'create',
    'find',
    'findById',
    'remove',
    'aggregate',
    'count',
    'distinct',
    'findByIdAndRemove',
    'findByIdAndUpdate',
    'findOne', 
    'findOneAndRemove', 
    'findOneAndUpdate',
    'geoNear',
    'geoSearch',
    'mapReduce',
    'populate',
    'update'];
    for(var i = 0, len = methods.length; i < len; i++){
      var m = methods[i]
      var method = model[m]
      if(method){
        model[m] = thunkify(model[m].bind(model))
      }
    }
    return model;
}