NoFlo counting component

CoffeeCounter.coffee

noflo = require 'noflo'

class CoffeeCounter extends noflo.Component
  description: 'This is my test description.'
  icon: 'gear'
  
  constructor: ->
    @current = 0
  
    @inPorts =
      up: new noflo.Port 'bang'
      down: new noflo.Port 'bang'
      reset: new noflo.Port 'bang'

    @outPorts =
      out: new noflo.Port 'bang'

    @inPorts.up.on 'data', =>
      @current++;
      @outPorts.out.send @current

    @inPorts.down.on 'data', =>
      @current--;
      @outPorts.out.send @current

    @inPorts.reset.on 'data', =>
      @current = 0;
      @outPorts.out.send @current

exports.getComponent = -> new CoffeeCounter