Class: GuidesStyle18F::PopLastUrlComponent

Inherits:
Liquid::Tag
  • Object
show all
Defined in:
lib/guides_style_18f/tags.rb

Constant Summary collapse

NAME = 
'guides_style_18f_pop_last_url_component'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(_tag_name, markup, _) ⇒ PopLastUrlComponent

Returns a new instance of PopLastUrlComponent.



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# File 'lib/guides_style_18f/tags.rb', line 40

def initialize(_tag_name, markup, _)
  @reference = markup.strip
end

Instance Attribute Details

#reference ⇒ Object (readonly)

Returns the value of attribute reference.



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# File 'lib/guides_style_18f/tags.rb', line 38

def reference
  @reference
end

Instance Method Details

#render(context) ⇒ Object 



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# File 'lib/guides_style_18f/tags.rb', line 44

def render(context)
  scope = context.scopes.detect { |s| s.member?(reference) }
  parent_url = scope[reference]
  result = File.dirname(parent_url)
  result == '/' ? result : "#{result}/"
end