module Playbook::Cursor

def self.included(base)
  base.prop :cursor
end

def cursor_options
  {
    cursor: "cursor",
  }
end

def cursor_props
  selected_props = cursor_options.keys.select { |sk| try(sk) }
  return nil unless selected_props.present?
  selected_props.map do |k|
    cursor_value = send(k)
    "cursor_#{cursor_value}" if cursor_values.include? cursor_value
  end.compact.join(" ")
end

def cursor_values
  %w[pointer]
end