pyykkis

fs = require 'fs'
{Transform} = require 'stream'

class Reverser extends Transform
  _transform: (data, encoding, done) ->
    @push data.toString().split('').reverse().join ''
    done()

class UpperCaser extends Transform
  _transform: (data, encoding, done) ->

pyykkis

exports.hello = function(name) {
  console.log("Hello, " + name);
}

pyykkis

var mongoose = require('mongoose');
var db = mongoose.connect('mongodb://localhost/mydb');

var Schema = mongoose.Schema;
var Posts = new Schema({
    name : String,
    subject: String,
    comment : String,
    password: String,
});