# frozen_string_literal: true

module Docs

class TitleFilter < Filter

def call

title = self.title

doc.child.before node(title) if title

doc

end

def title

if !context[:root_title].nil? && root_page?

context[:root_title]

elsif !context[:title].nil?

context[:title].is_a?(Proc) ? context[:title].call(self) : context[:title]

else

default_title

end

end

def default_title

result[:entries].try(:first).try(:name)

end

def node(content)

node = Nokogiri::XML::Node.new 'h1', doc.document

node.content = content

node

end

end

end