Method: Pakyow::Presenter::View#find

Defined in:
lib/pakyow/presenter/view.rb

#find(*names) ⇒ Object

Finds a view binding by name. When passed more than one value, the view will be traversed through each name. Returns a Pakyow::Presenter::VersionedView.



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# File 'lib/pakyow/presenter/view.rb', line 122

def find(*names)
  if names.any?
    named = names.shift.to_sym
    found = each_binding(named).map(&:itself)

    result = if names.empty? && !found.empty? # found everything; wrap it up
      if found[0].is_a?(StringDoc::MetaNode)
        VersionedView.new(View.from_object(found[0]))
      else
        VersionedView.new(View.from_object(StringDoc::MetaNode.new(found)))
      end
    elsif !found.empty? && names.count > 0 # descend further
      View.from_object(found[0]).find(*names)
    else
      nil
    end

    if result && block_given?
      yield result
    end

    result
  else
    nil
  end
end