devdocs/lib/docs/scrapers/dart.rb

module Docs
  class Dart < FileScraper
    self.type = 'dart'
    self.root_path = 'index.html'
    self.links = {
      home: 'https://www.dartlang.org/',
      code: 'https://github.com/dart-lang/sdk'
    }

    html_filters.push 'dart/entries', 'dart/clean_html'

    options[:fix_urls] = ->(url) do
      # localhost/dart-web_audio/..dart-io/dart-io-library.html > localhost/dart-io/dart-io-library.html
      url.remove!(/[^\/]+\/\.\./)
      url
    end

    options[:attribution] = <<-HTML
      &copy; 2012 the Dart project authors<br>
      Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
    HTML

    # Download the documentation from https://www.dartlang.org/tools/sdk/archive

    version '2' do
      self.release = '2.0.0'
      self.base_url = "https://api.dartlang.org/stable/#{release}/"
    end

    version '1' do
      self.release = '1.24.3'
      self.base_url = "https://api.dartlang.org/stable/#{release}/"
    end

    def get_latest_version(opts)
      doc = fetch_doc('https://api.dartlang.org/', opts)
      label = doc.at_css('footer > span').content.strip
      label.sub(/Dart /, '')
    end
  end
end