diff --git a/lib/docs/filters/cyclejs/clean_html.rb b/lib/docs/filters/cyclejs/clean_html.rb
new file mode 100644
index 0000000000..b09f079a4f
--- /dev/null
+++ b/lib/docs/filters/cyclejs/clean_html.rb
@@ -0,0 +1,24 @@
+module Docs
+ class Cyclejs
+ class CleanHtmlFilter < Filter
+ def call
+ css('br').remove
+
+ css('pre > code').each do |node|
+ parent = node.parent
+ if node['class'] && node['class'] =~ /language-(\w+)/
+ parent['data-language'] = Regexp.last_match(1)
+ end
+ parent.content = node.content.strip
+ end
+
+ css('table[style]', 'tr[style]', 'td[style]', 'th[style]').remove_attr('style')
+ css('img').each do |node|
+ node['alt'] = node['alt'].presence || ''
+ end
+
+ doc
+ end
+ end
+ end
+end
diff --git a/lib/docs/filters/cyclejs/entries.rb b/lib/docs/filters/cyclejs/entries.rb
new file mode 100644
index 0000000000..5317a9c616
--- /dev/null
+++ b/lib/docs/filters/cyclejs/entries.rb
@@ -0,0 +1,26 @@
+module Docs
+ class Cyclejs
+ class EntriesFilter < Docs::EntriesFilter
+ def get_name
+ title = at_css('h1')
+ name = title ? title.content.strip : subpath.sub(/\.html\z/, '').titleize
+ name = 'Cycle.js' if root_page?
+ name = 'API Reference' if slug == 'api/index'
+ name
+ end
+
+ def get_type
+ slug.start_with?('api/') ? 'API' : 'Guide'
+ end
+
+ def additional_entries
+ css('h2[id], h3[id]').map do |node|
+ name = node.content.strip
+ name.sub!(/\A#\s*/, '')
+ name.sub!(/\s+#\z/, '')
+ [name, node['id']]
+ end
+ end
+ end
+ end
+end
diff --git a/lib/docs/scrapers/cyclejs.rb b/lib/docs/scrapers/cyclejs.rb
new file mode 100644
index 0000000000..df27d7c147
--- /dev/null
+++ b/lib/docs/scrapers/cyclejs.rb
@@ -0,0 +1,84 @@
+require 'redcarpet'
+
+module Docs
+ class Cyclejs < UrlScraper
+ self.name = 'Cycle.js'
+ self.slug = 'cyclejs'
+ self.type = 'cyclejs'
+ self.release = '23.1.0'
+ self.base_url = 'https://cycle.js.org/'
+ self.root_path = 'index.html'
+ self.initial_paths = %w(
+ getting-started.html
+ model-view-intent.html
+ streams.html
+ drivers.html
+ components.html
+ basic-examples.html
+ dialogue.html
+ releases.html
+ api/index.html
+ api/run.html
+ api/rxjs-run.html
+ api/most-run.html
+ api/dom.html
+ api/html.html
+ api/http.html
+ api/history.html
+ api/isolate.html
+ api/state.html
+ )
+
+ self.links = {
+ home: 'https://cycle.js.org/',
+ code: 'https://github.com/cyclejs/cyclejs'
+ }
+
+ html_filters.push 'cyclejs/clean_html', 'cyclejs/entries'
+
+ options[:only_patterns] = [
+ /\Aindex\.html\z/,
+ /\Agetting-started\.html\z/,
+ /\Amodel-view-intent\.html\z/,
+ /\Astreams\.html\z/,
+ /\Adrivers\.html\z/,
+ /\Acomponents\.html\z/,
+ /\Abasic-examples\.html\z/,
+ /\Adialogue\.html\z/,
+ /\Areleases\.html\z/,
+ /\Aapi\//
+ ]
+
+ options[:attribution] = <<-HTML
+ © 2014–present Cycle.js contributors.
+ Licensed under the MIT License.
+ HTML
+
+ def get_latest_version(opts)
+ get_npm_version('@cycle/dom', opts)
+ end
+
+ private
+
+ def parse(response)
+ document = Parser.new(response.body).html
+ markdown = document.at_css('script#markdown')
+
+ return super unless markdown
+
+ html = markdown_renderer.render(markdown.content.strip)
+ title = document.at_css('title').try(:content).try(:strip)
+ [Parser.new("#{title}#{html}").html, title]
+ end
+
+ def markdown_renderer
+ @markdown_renderer ||= Redcarpet::Markdown.new(
+ Redcarpet::Render::HTML.new(with_toc_data: true),
+ autolink: true,
+ fenced_code_blocks: true,
+ no_intra_emphasis: true,
+ tables: true
+ )
+ end
+ end
+end