noflo = require 'noflo'
owl = require 'owl-deepcopy'

class Copy extends noflo.Component
  description: 'deep (i.e. recursively) copy an object'

  constructor: ->
    @inPorts =
      in: new noflo.Port
    @outPorts =
      out: new noflo.Port

    @inPorts.in.on 'begingroup', (group) =>
      @outPorts.out.beginGroup group

    @inPorts.in.on 'data', (data) =>
      @outPorts.out.send owl.deepCopy data

    @inPorts.in.on 'endgroup', =>
      @outPorts.out.endGroup()

    @inPorts.in.on 'disconnect', =>
      @outPorts.out.disconnect()

exports.getComponent = -> new Copy