Sir Trevor initializer for Rails

sir-trevor.coffee.erb

$(document).on 'ready turbolinks:load', ->
  SirTrevor.config.language = 'it'
  
  SirTrevor.setDefaults(
    language: 'it'
    focusOnInit: false
    blockTypes: ['Text', 'Image', 'List', 'Heading', 'Quote', 'Video']
    defaultType: 'Text'
    iconUrl: "<%= asset_path('sir-trevor/build/sir-trevor-icons.svg') %>"
    uploadUrl: "/admin/uploads/images"
    ajaxOptions: {
      headers: {
        'X-Requested-With': 'XMLHttpRequest'
        'X-CSRF-Token': Rails.csrfToken()
      }
      credentials: 'same-origin'
    }
  )

  for el in $('.js-sir-trevor-editor')
    $el = $ el
    elConfig = $(el).data('sir-trevor-editor-config') ? {}
    config = { el: el }
    
    instance = new (SirTrevor.Editor)($.extend({}, config, elConfig))

    $el.data 'sir-trevor-editor-instance', instance

$(document).on 'turbolinks:before-cache', ->
  for el in $('.js-sir-trevor-editor')
    $el = $ el

    instance = $el.data 'sir-trevor-editor-instance'
    if instance?
      instance.destroy()
      $el.removeData 'sir-trevor-editor-instance'