map_arguments

in lib/primer/view_components/linters/close_button_component_migration_counter.rb [24:73]

• 30 lines of code
• 14 McCabe index (conditional complexity)

      def map_arguments(tag, tag_tree)
        
        return if tag_tree[:children].size != 1

        nodes = tag_tree[:children].first.children
        erb_nodes = nodes.select { |node| node.try(:type) == :erb }

        
        return if erb_nodes.size != 1

        _, _, code_node = *erb_nodes.first
        code = code_node.children.first.strip
        ast = erb_ast(code)

        
        if ast.method_name == :primer_octicon || ast.method_name == :octicon
          octicon_kwargs = ast.arguments[1]
          icon = icon(ast.arguments)
        elsif ast.method_name == :render && code.include?("Primer::OcticonComponent")
          octicon_kwargs = ast.arguments.first.arguments.last
          icon = icon(ast.arguments.first.arguments)
        else
          return
        end

        
        return unless icon == :x
        
        return if custom_attributes?(octicon_kwargs)

        octicon_aria_label = aria_label_from_octicon(octicon_kwargs)
        tag_aria_label = tag.attributes.each.find { |a| a.name == "aria-label" }

        
        return if octicon_aria_label.blank? && tag_aria_label.blank?

        args = ARGUMENT_MAPPER.new(tag).to_s

        
        return args if tag_aria_label.present?

        aria_label_arg = "\"aria-label\": #{octicon_aria_label}"

        return aria_label_arg if args.blank?

        "#{args}, #{aria_label_arg}"
      rescue ArgumentMappers::ConversionError
        nil
      end