Breadcrumbs layout helper

layout_helper.rb

  def get_resource
    instance_variable_get("@#{controller_name.singularize}")
  end

  def get_resource_label(resource)
    resource.try(:to_label) || resource.try(:to_s) unless resource.new_record?
  end

  def get_resource_menu(resource)
    label = get_resource_label(resource)

    [{caption: _(controller_name.humanize), url: try("#{controller_name}_path")},
     {caption: [_(action_name.humanize), label].join(' '), url: '#' }]
  end

  def mount_breadcrumbs(resource, &block)
    menu = block_given? ? yield : get_resource_menu(resource)

    mount_react_component("Breadcrumb", "#breadcrumb", { menu:  menu }.to_json)
  end

  def breadcrumbs(resource, &block)
    content_for(:breadcrumbs) do
      mount_breadcrumbs(resource, &block)
    end
  end