Example component prototype

AddPost.coffee

c = new noflo.Component
c.desciption = 'A component that posts on behalf of user'
c.inPorts = new noflo.InPorts
  db:
    datatype: 'object'
    control: true
  user:
    datatype: 'object'
  post:
    datatype: 'object'
c.outPorts = new noflo.OutPorts
  id:
    datatype: 'int'

c.process = (input, output, done) ->
  return unless input.has 'db', 'user', 'post' # or input.has 'alternative'
  [db, user, post] = input.receive 'db', 'user', 'post'
  db.data 'post'
  .insert
    user: user.data.id
    title: post.data.title
    text: post.data.text
  , 'id'
  .then (rows) ->
    output.sendDone
      id: rows[0].id # new noflo.IP 'data', rows[0].id
  .catch done