Gemfile

gem 'rest-client', '~> 1.6.7'
gem 'nokogiri'

Rakefile

require 'nokogiri'
require 'rest-client'
require 'json'

task :repos, [:page_start, :page_end] do |t, args|
  args.with_defaults(page_start: 1, page_end: 5)

  GITHUB_SEARCH_P1 = "https://github.com/search?p="
  GITHUB_SEARCH_P2 = "&q=\%22cordova.js\%22+in\%3Apath&ref=searchresults&type=Code&s=indexed"
  
  threads = []
  repos = []
  (args[:page_start].to_i..args[:page_end].to_i).map do |page|
    begin
      Nokogiri::HTML(RestClient.get(GITHUB_SEARCH_P1 + page.to_s + GITHUB_SEARCH_P2)).css(".code-list-item .title a:first-child").each do |link|
        threads << Thread.new {
          href = link[:href]
          begin
            req = JSON.parse(RestClient.get("https://api.github.com/repos#{href}"))
            repos << OpenStruct.new(
              name: req["full_name"],
              url: req["html_url"],
              watchers: req["watchers_count"],
              stars: req["stargazers_count"]
            )
          rescue
            # Rate limited
          end
        }
      end
    rescue
      # Rate limited
    end
  end
  threads.each(&:join)
  repos.sort{|a,b| (a.watchers + a.stars) <=> (b.watchers + b.stars) }.each do |repo|
    puts repo.name
    puts repo.url
    puts "Stars: #{repo.stars}"
    puts "Watchers: #{repo.watchers}\n\n"
  end
end