Turbolinks.js + iubenda.js

iubenda.js.coffee

class @Iubenda

  @load: ->
    if typeof Turbolinks isnt "undefined" and Turbolinks.supported
      document.addEventListener "page:change", (->
        Iubenda.loadTag()
      ), true
    else
      Iubenda.loadTag()

  @loadTag: ->
    # Each time the page changes Iubenda adds a script tag of its code and an
    # empty style block. We delete these before running Iubenda again.
    Iubenda.deleteTag tag for tag in document.getElementsByTagName("script")
    Iubenda.deleteStyle style for style in document.getElementsByTagName("style")
    Iubenda.writeTag()

  @writeTag: ->
    s = document.createElement("script")
    s.src = Iubenda.url()
    tag = document.getElementsByTagName("script")[0]
    tag.parentNode.insertBefore s, tag

  @deleteTag: (tag) ->
    if typeof tag isnt "undefined" and tag.src is Iubenda.url()
      tag.parentNode.removeChild(tag)

  @deleteStyle: (style) ->
    if style.innerHTML is ""
      style.parentNode.removeChild(style)

  @url: ->
    document.location.protocol + "//cdn.iubenda.com/iubenda.js"

Iubenda.load();