How to add parent attributes inside its children in rabl template (when parent is an array)?

Question

How to add parent attributes inside its children in rabl template? To do something like this:

  some_root_attr: {
    attr_a: \'rgtr\',
    parent: [
      {         


        

Answer 1

nesquena posted solution on github: https://github.com/nesquena/rabl/issues/436

collection @posts

node :categories do |p|
  p.categories.map do |c| 
    partial("categories/show", :object => c).merge(:post_attr => p.post_attr)
  end
end

Answer 2

object @obj
attributes :attr_a

child :parents do
  attributes :attr_1
  parent = root_object.dup
  child :child do 
    attributes :attr_3
    node(:attr_from_parent_array_member) { parent.attr_from_parent_array_member }
  end
end

NB haven't tested