gistfile1.txt

$(window).on 'message',

    # Inform the parent if the size of the widget changes

    height = 0

    setInterval ->

      

      # Get the dimensions of the current board

      bounding = $('#grid').get(0).getBoundingClientRect()

      if bounding.top isnt bounding.bottom

        newHeight = Math.ceil(bounding.top + bounding.bottom)



      # If the height has changed, save the new height

      # and tell the parent window

      unless _.isEqual height, newHeight

        height = newHeight

        window.parent.postMessage JSON.stringify(

          fragment : 'resize'

          height : height

        ), '*'

    , 250