Add Immutable.js documentation

Closes #513.

assets/javascripts/news.json

@@ -1,5 +1,8 @@
 [
   [
+    "2016-11-20",
+    "New documentation: <a href=\"/immutable/\">Immutable.js</a>"
+  ], [
     "2016-10-10",
     "New documentations: <a href=\"/scikit_learn/\">scikit-learn</a> and <a href=\"/statsmodels/\">Statsmodels</a>"
   ], [

assets/javascripts/templates/pages/about_tmpl.coffee

@@ -254,6 +254,11 @@ credits = [
     '2005-2016 Haxe Foundation',
     'MIT',
     'http://haxe.org/foundation/open-source.html'
+  ], [
+    'Immutable.js',
+    '2014-2016 Facebook, Inc.',
+    'BSD',
+    'https://raw.githubusercontent.com/facebook/immutable-js/master/LICENSE'
   ], [
     'InfluxData',
     '2015 InfluxData, Inc.',

assets/javascripts/views/pages/simple.coffee

@@ -22,6 +22,7 @@ app.views.ElixirPage =
 app.views.EmberPage =
 app.views.ExpressPage =
 app.views.GoPage =
+app.views.ImmutablePage =
 app.views.InfluxdataPage =
 app.views.KnockoutPage =
 app.views.KotlinPage =

assets/stylesheets/global/_icons.scss

@@ -72,6 +72,7 @@
 ._icon-angularjs:before     { background-position: -9rem -1rem; }
 ._icon-coffeescript:before  { background-position: 0 -2rem; @extend %darkIconFix !optional; }
 ._icon-ember:before         { background-position: -1rem -2rem; }
+._icon-immutable:before     { background-position: -3rem -2rem; @extend %darkIconFix !optional; }
 ._icon-jqueryui:before      { background-position: -4rem -2rem; }
 ._icon-jquerymobile:before  { background-position: -5rem -2rem; }
 ._icon-lodash:before        { background-position: -6rem -2rem; }

assets/stylesheets/pages/_simple.scss

@@ -25,6 +25,7 @@
 ._gnu,
 ._grunt,
 ._haxe,
+._immutable,
 ._influxdata,
 ._less,
 ._lodash,

lib/docs/filters/immutable/clean_html.rb

@@ -0,0 +1,48 @@
+module Docs
+  class Immutable
+    class CleanHtmlFilter < Filter
+      def call
+        css('section', 'span', 'div[data-reactid]').each do |node|
+          node.before(node.children).remove
+        end
+
+        css('.codeBlock').each do |node|
+          node.name = 'pre'
+          node.content = node.content
+          node['data-language'] = 'js'
+        end
+
+        css('*[data-reactid]').remove_attr('data-reactid')
+        css('a[target]').remove_attr('target')
+
+        css('a[href^="#"]').each do |node|
+          node['href'] = node['href'].sub(/\A#\//, '#').gsub('/', '.').downcase
+        end
+
+        type = type_id = nil
+        css('*').each do |node|
+          if node.name == 'h1'
+            node['id'] = type_id = node.content.strip.downcase
+            type = node.content.strip
+          elsif node.name == 'h3'
+            node['id'] = node.content.strip.downcase
+            node['id'] = node['id'].remove('()') unless node['id'] == "#{type_id}()"
+
+            unless node['id'].start_with?(type_id)
+              node.content = "#{type}##{node.content}"
+              node['id'] = "#{type_id}.#{node['id']}" unless node['id'].start_with?("#{type_id}.")
+            end
+          end
+        end
+
+        css('h4.groupTitle').each do |node|
+          node.name = 'h2'
+        end
+
+        css('*[class]').remove_attr('class')
+
+        doc
+      end
+    end
+  end
+end

lib/docs/filters/immutable/entries.rb

@@ -0,0 +1,23 @@
+module Docs
+  class Immutable
+    class EntriesFilter < Docs::EntriesFilter
+      def additional_entries
+        entries = []
+        type = nil
+
+        css('*').each do |node|
+          if node.name == 'h1'
+            name = node.content
+            type = node.content.split('.').first
+            entries << [name, node['id'], type]
+          elsif node.name == 'h3'
+            name = node.content
+            entries << [name, node['id'], type]
+          end
+        end
+
+        entries
+      end
+    end
+  end
+end

lib/docs/scrapers/immutable.rb

@@ -0,0 +1,58 @@
+module Docs
+  class Immutable < UrlScraper
+    self.name = 'Immutable.js'
+    self.slug = 'immutable'
+    self.type = 'immutable'
+    self.release = '3.8.1'
+    self.base_url = 'https://facebook.github.io/immutable-js/docs/'
+    self.links = {
+      home: 'https://facebook.github.io/immutable-js/',
+      code: 'https://github.com/facebook/immutable-js'
+    }
+
+    html_filters.push 'immutable/clean_html', 'immutable/entries', 'title'
+
+    options[:skip_links] = true
+    options[:container] = '.docContents'
+    options[:root_title] = 'Immutable.js'
+
+    options[:attribution] = <<-HTML
+      &copy; 2014&ndash;2015 Facebook, Inc.<br>
+      Licensed under the 3-clause BSD License.
+    HTML
+
+    stub '' do
+      capybara = load_capybara_selenium
+      capybara.app_host = 'https://facebook.github.io'
+      capybara.visit(URL.parse(self.base_url).path)
+      capybara.execute_script <<-JS
+        var content, event, links, link;
+
+        event = document.createEvent('Event');
+        event.initEvent('hashchange', false, false);
+
+        content = document.querySelector('.docContents section').cloneNode(true);
+        links = Array.prototype.slice.call(document.querySelectorAll('.sideBar .scrollContent a'));
+
+        while (link = links.shift()) {
+          if (!document.body.contains(link)) {
+            document.body.appendChild(link);
+          }
+
+          link.click();
+          dispatchEvent(event);
+          content.innerHTML += document.querySelector('.docContents').innerHTML;
+
+          document.querySelectorAll('.sideBar .scrollContent .groupTitle').forEach(function(el) {
+            if (el.textContent == 'Types') {
+              Array.prototype.unshift.apply(links, Array.prototype.slice.call(el.parentNode.querySelectorAll('a')));
+            }
+          });
+        }
+
+        document.querySelector('.docContents').innerHTML = content.innerHTML;
+      JS
+      capybara.html
+    end
+  end
+end

public/icons/docs/immutable/SOURCE

@@ -0,0 +1 @@
+https://raw.githubusercontent.com/facebook/immutable-js/master/pages/src/static/favicon.png