Add block variable for body attributes

README.md

@@ -13,7 +13,7 @@ You can [view a collection of auto-generated examples](http://alphagov.github.io
 
 ## Requirements
 
-The Ruby language (1.9.3+), the build tool [Rake](http://rake.rubyforge.org/) & the dependancy management tool [Bundler](http://bundler.io/)
+The Ruby language (1.9.3+), the build tool [Rake](http://rake.rubyforge.org/), the dependency management tool [Bundler](http://bundler.io/) & [Java](https://www.java.com/en/) 
 
 ## Detailed Docs
 

build_tools/compiler/django_processor.rb

@@ -15,6 +15,7 @@ def self.statement_tag_for(key, default_value)
     @@yield_hash = {
       after_header:         block_for(:after_header),
       body_classes:         block_for(:body_classes),
+      body_attributes:      block_for(:body_attributes),
       body_start:           block_for(:body_start),
       body_end:             block_for(:body_end),
       content:              block_for(:content),

build_tools/compiler/ejs_processor.rb

@@ -11,6 +11,7 @@ def self.partial_for(key)
     @@yield_hash = {
       after_header:         partial_for(:after_header),
       body_classes:         "<%= bodyClasses %>",
+      body_attributes:      "<%= bodyAttributes %>",
       body_start:           partial_for(:body_start),
       body_end:             partial_for(:body_end),
       content:              partial_for(:content),

build_tools/compiler/jinja_processor.rb

@@ -19,6 +19,7 @@ def self.unescaped_statement_tag_for(key, default_value)
     @@yield_hash = {
       after_header:         block_for(:after_header),
       body_classes:         block_for(:body_classes),
+      body_attributes:      block_for(:body_attributes),
       body_start:           block_for(:body_start),
       body_end:             block_for(:body_end),
       content:              block_for(:content),

build_tools/compiler/liquid_processor.rb

@@ -11,6 +11,7 @@ def self.include_for(key)
     @@yield_hash = {
       after_header:         include_for(:after_header),
       body_classes:         include_for(:body_classes),
+      body_attributes:      include_for(:body_attributes),
       body_start:           include_for(:body_start),
       body_end:             include_for(:body), # Note that this differs from the key!
       content:              "{{ content }}",

build_tools/compiler/mustache_inheritance_processor.rb

@@ -11,6 +11,7 @@ def self.tag_for(lowerCamelCaseKey, default_value="")
     @@yield_hash = {
       after_header:         tag_for(:afterHeader),
       body_classes:         tag_for(:bodyClasses),
+      body_attributes:      tag_for(:bodyAttributes),
       body_start:           tag_for(:bodyStart),
       body_end:             tag_for(:bodyEnd),
       content:              tag_for(:content),

build_tools/compiler/mustache_processor.rb

@@ -15,6 +15,7 @@ def self.unescaped_html_tag_for(lowerCamelCaseKey)
     @@yield_hash = {
       after_header:         unescaped_html_tag_for(:afterHeader),
       body_classes:         tag_for(:bodyClasses),
+      body_attributes:      unescaped_html_tag_for(:bodyAttributes),
       body_start:           unescaped_html_tag_for(:bodyStart),
       body_end:             unescaped_html_tag_for(:bodyEnd),
       content:              unescaped_html_tag_for(:content),

build_tools/compiler/play_processor.rb

@@ -12,9 +12,10 @@ class PlayProcessor < TemplateProcessor
       # top_of_page has a special purpose: it is required by Play to define the
       # parameters to pass when rendering
       # https://www.playframework.com/documentation/2.2.x/ScalaTemplates#Template-parameters
-      top_of_page: '@(title: Option[String], bodyClasses: Option[String], htmlLang: Option[String] = None)(head:Html, bodyStart:Html, bodyEnd:Html, insideHeader:Html, afterHeader:Html, footerTop:Html, footerLinks:Html, headerClass:Html = HtmlFormat.empty, propositionHeader:Html = HtmlFormat.empty, homepageUrl:Option[Html] = None, globalHeaderText:Option[Html] = None, cookieMessage: Option[Html] = None, skipLinkMessage:Option[Html], logoLinkTitle:Option[Html] = None, licenceMessage:Html, crownCopyrightMessage:Option[Html])(content:Html)',
+      top_of_page: '@(title: Option[String], bodyClasses: Option[String], bodyAttributes: Option[String], htmlLang: Option[String] = None)(head:Html, bodyStart:Html, bodyEnd:Html, insideHeader:Html, afterHeader:Html, footerTop:Html, footerLinks:Html, headerClass:Html = HtmlFormat.empty, propositionHeader:Html = HtmlFormat.empty, homepageUrl:Option[Html] = None, globalHeaderText:Option[Html] = None, cookieMessage: Option[Html] = None, skipLinkMessage:Option[Html], logoLinkTitle:Option[Html] = None, licenceMessage:Html, crownCopyrightMessage:Option[Html])(content:Html)',
       head: '@head',
       body_classes: '@bodyClasses.getOrElse("")',
+      body_attributes: '@bodyAttributes.getOrElse("")',
       header_class: '@headerClass',
       proposition_header: '@propositionHeader',
       content: '@content',

build_tools/packager/webjar_packager.rb

@@ -42,7 +42,7 @@ def prepare_contents
       end
       File.open(@target_dir.join('VERSION'), 'w') {|f| f.write "#{GovukTemplate::VERSION}\n" }
     end
-    
+
     def process_template(file)
       target_dir = @internal_dir.join(File.dirname(file))
       target_dir.mkpath

docs/template-blocks.md

@@ -7,6 +7,7 @@
 | page_title                | Text inside the `<title>` element               | GOV.UK - The best place to find government services and information
 | head                      | Before closing `</head>` element                | Insertion point
 | body_classes              | Classes to be added to the `<body>` element     | Insertion point
+| body_attributes           | Attributes to be added to the `<body>` element  | Insertion point
 | body_start                | After opening `<body>` element                  | Insertion point
 | skip_link_message         | Text inside the skip to main content link       | Skip to main content
 | cookie_message            | Text inside the cookie message banner           | `<p>GOV.UK uses cookies to make the site simpler. <a href="https://www.gov.uk/help/cookies">Find out more about cookies</a></p>`

integration_tests/html_rendered_by_each_integration_testing_app_spec.rb

@@ -27,7 +27,7 @@ def rendered_html_files
       end
 
       it "should allow setting_body_classes" do
-        expect(subject).to have_tag("body", with: { class: "custom_body_class" })
+        expect(subject).to have_tag("body", with: { class: "custom_body_class", custom_body_attribute: 'test' })
       end
 
       it "should allow inserting content into body_start" do

integration_tests/integrations/django/templates/test_template.html

@@ -6,6 +6,8 @@
 
 {% block body_classes %}custom_body_class{% endblock body_classes %}
 
+{% block body_attributes %}custom_body_attribute="test"{% endblock %}
+
 {% block body_start %}<inserted-into-body-start></inserted-into-body-start>{% endblock body_start %}
 
 {% block cookie_message %}Custom cookie message{% endblock cookie_message %}

integration_tests/integrations/jinja/templates/test_template.html

@@ -6,6 +6,8 @@
 
 {% block body_classes %}custom_body_class{% endblock body_classes %}
 
+{% block body_attributes %}custom_body_attribute="test"{% endblock %}
+
 {% block body_start %}<inserted-into-body-start></inserted-into-body-start>{% endblock body_start %}
 
 {% block cookie_message %}Custom cookie message{% endblock cookie_message %}

integration_tests/integrations/mustache/test_render.rb

@@ -11,6 +11,7 @@
   pageTitle: "This is a custom page title",
   head: "<inserted-into-head></inserted-into-head>",
   bodyClasses: "custom_body_class",
+  bodyAttributes: 'custom_body_attribute="test"',
   bodyStart: "<inserted-into-body-start></inserted-into-body-start>",
   cookieMessage: "Custom cookie message",
   headerClass: "custom_header_class",

integration_tests/integrations/mustache_inheritance/build.js

@@ -24,6 +24,7 @@ compiledTemplate = Hogan.compile("\
   {{$pageTitle}}This is a custom page title{{/pageTitle}} \
   {{$head}}<inserted-into-head></inserted-into-head>{{/head}} \
   {{$bodyClasses}}custom_body_class{{/bodyClasses}} \
+  {{$bodyAttributes}}custom_body_attribute=\"test\"{{/bodyAttributes}} \
   {{$bodyStart}}<inserted-into-body-start></inserted-into-body-start>{{/bodyStart}} \
   {{$cookieMessage}}Custom cookie message{{/cookieMessage}} \
   {{$headerClass}}custom_header_class{{/headerClass}} \

integration_tests/integrations/nunjucks/templates/test_template.html

@@ -6,6 +6,8 @@
 
 {% block body_classes %}custom_body_class{% endblock %}
 
+{% block body_attributes %}custom_body_attribute="test"{% endblock %}
+
 {% block body_start %}<inserted-into-body-start></inserted-into-body-start>{% endblock %}
 
 {% block cookie_message %}Custom cookie message{% endblock %}

integration_tests/integrations/rails/views/show.html.erb

@@ -6,6 +6,8 @@
 
 <% content_for(:body_classes, "custom_body_class") %>
 
+<% content_for(:body_attributes) do %>custom_body_attribute="test"<% end %>
+
 <% content_for(:body_start) do %><inserted-into-body-start></inserted-into-body-start><% end %>
 
 <% content_for(:cookie_message, "Custom cookie message") %>

source/views/layouts/govuk_template.html.erb

@@ -29,7 +29,7 @@
     <%= yield :head %>
   </head>
 
-  <body<%= content_for?(:body_classes) ? raw(" class=\"#{yield(:body_classes)}\"") : '' %>>
+  <body<%= content_for?(:body_classes) ? raw(" class=\"#{yield(:body_classes)}\"") : '' %> <%= content_for?(:body_attributes) ? raw("#{yield(:body_attributes)}") : '' %>>
     <script>document.body.className = ((document.body.className) ? document.body.className + ' js-enabled' : 'js-enabled');</script>
 
     <%= yield :body_start %>

spec/build_tools/compiler/django_processor_spec.rb

@@ -5,6 +5,7 @@ def valid_sections
   {
     after_header: "{% block after_header %}{% endblock %}",
     body_classes: "{% block body_classes %}{% endblock %}",
+    body_attributes: "{% block body_attributes %}{% endblock %}",
     body_end: "{% block body_end %}{% endblock %}",
     content: "{% block content %}{% endblock %}",
     cookie_message: "{% block cookie_message %}{% endblock %}",

spec/build_tools/compiler/ejs_processor_spec.rb

@@ -7,6 +7,7 @@ def valid_sections
     page_title: "<%- partial('partials/_page_title') %>",
     head: "<%- partial('partials/_head') %>",
     body_classes: "<%= bodyClasses %>",
+    body_attributes: "<%= bodyAttributes %>",
     content: "<%- partial('partials/_content') %>",
     body_end: "<%- partial('partials/_body_end') %>",
     footer_top: "<%- partial('partials/_footer_top') %>",

spec/build_tools/compiler/jinja_processor_spec.rb

@@ -5,6 +5,7 @@ def valid_sections
   {
     after_header: "{% block after_header %}{% endblock %}",
     body_classes: "{% block body_classes %}{% endblock %}",
+    body_attributes: "{% block body_attributes %}{% endblock %}",
     body_end: "{% block body_end %}{% endblock %}",
     content: "{% block content %}{% endblock %}",
     cookie_message: "{% block cookie_message %}{% endblock %}",

spec/build_tools/compiler/mustache_processor_spec.rb

@@ -7,6 +7,7 @@ def valid_sections
     page_title: "{{ pageTitle }}",
     head: "{{{ head }}}",
     body_classes: "{{ bodyClasses }}",
+    body_attributes: "{{{ bodyAttributes }}}",
     content: "{{{ content }}}",
     body_end: "{{{ bodyEnd }}}",
     top_of_page: "{{{ topOfPage }}}",