Move :default merging into @default Tag class.

        tag.merge(h, docs, code)

      end

      h[:default] = merge_if_code_matches(:default, docs, code)

      do_merge(h, docs, code)

    end

require "jsduck/tag/tag"

module JsDuck::Tag

  # There is no @default tag.

  #

  # Default values are detected from syntax like this:

  #

  #     @cfg [blah=somedefault]

  #

  # This tag class exists to take care of the merging of :default

  # fields.

  class Default < Tag

    def initialize

      @merge_context = :property_like

    end

    def merge(h, docs, code)

      h[:default] = merge_if_code_matches(:default, docs, code)

    end

    private

    def merge_if_code_matches(key, docs, code, default=nil)

      if docs[key]

        docs[key]

      elsif code[key] && code_matches_doc?(docs, code)

        code[key]

      else

        default

      end

    end

    # True if the name detected from code matches with explicitly documented name.

    # Also true when no explicit name documented.

    def code_matches_doc?(docs, code)

      return docs[:name] == nil || docs[:name] == code[:name]

    end

  end

end