[devdocsgjs/main: 1250/1867] typescript: clean code blocks

[Andy Holmes <andyholmes src gnome org>]

commit 87f97d6cc0e9a6860cee78b4ac8b40940b80138d
Author: Simon Legner <Simon Legner gmail com>
Date:   Thu Nov 19 20:41:43 2020 +0100

    typescript: clean code blocks

 assets/javascripts/templates/pages/about_tmpl.coffee | 2 +-
 lib/docs/filters/typescript/clean_html.rb            | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)
---
diff --git a/assets/javascripts/templates/pages/about_tmpl.coffee 
b/assets/javascripts/templates/pages/about_tmpl.coffee
index 0c10bb48..1390f67e 100644
--- a/assets/javascripts/templates/pages/about_tmpl.coffee
+++ b/assets/javascripts/templates/pages/about_tmpl.coffee
@@ -783,7 +783,7 @@ credits = [
     'https://twig.symfony.com/license'
   ], [
     'TypeScript',
-    '2012-2019 Microsoft',
+    '2012-2020 Microsoft',
     'Apache',
     'https://raw.githubusercontent.com/Microsoft/TypeScript-Handbook/master/LICENSE'
   ], [
diff --git a/lib/docs/filters/typescript/clean_html.rb b/lib/docs/filters/typescript/clean_html.rb
index 1fbb0c74..49d4a89f 100644
--- a/lib/docs/filters/typescript/clean_html.rb
+++ b/lib/docs/filters/typescript/clean_html.rb
@@ -17,6 +17,13 @@ module Docs
           node.name = 'h1'
         end
 
+        css('a:contains("Try")').remove
+        css('pre').each do |node|
+          node.content = node.content
+          node['data-language'] = 'typescript'
+          node.remove_attribute('class')
+        end
+
         # 'Next' title area
         css('.whitespace-tight').remove