class Lookbook::PageDirectoryEntity

def children
  @children ||= begin
    child_nodes = Pages.tree.children_of(self).sort
    ListResolver.call(config.fetch(:children, "*"), child_nodes.map(&:name)) do |name|
      child_nodes.find { _1.name == name }
    end
  end
end

def parent
  parent_lookup_path = File.dirname(lookup_path).delete_prefix(".")
  Pages.directories.find_or_add(parent_lookup_path, File.dirname(path)) if parent_lookup_path.present?
end

def priority
  @priority = begin
    pos = PriorityPrefixParser.call(File.basename(path)).first || Entity::DEFAULT_PRIORITY
    pos.to_i
  end
end