module Docs  class Express < UrlScraper    self.name = 'Express'    self.type = 'express'    self.base_url = 'https://expressjs.com/en/'    self.initial_paths = %w(      starter/installing.html      guide/routing.html      advanced/developing-template-engines.html )    self.links = {      home: 'https://expressjs.com/',      code: 'https://github.com/strongloop/express/'    }     html_filters.push 'express/clean_html', 'express/entries', 'title'     options[:title] = false    options[:root_title] = 'Express'     options[:only_patterns] = [      /\Astarter/,      /\Aguide/,      /\Aadvanced/ ]     options[:attribution] = <<-HTML      &copy; 2017 StrongLoop, IBM, and other expressjs.com contributors.<br>      Licensed under the Creative Commons Attribution-ShareAlike License v3.0.    HTML     version do      self.release = '5.1.0'      self.root_path = '5x/api.html'    end     version '4' do      self.release = '4.21.2'      self.root_path = '4x/api.html'    end     def get_latest_version(opts)      get_npm_version('express', opts)    end  endend