Rakefile in red_amber-0.5.0 vs Rakefile in red_amber-0.5.1

@@ -1,9 +1,10 @@
 # frozen_string_literal: true
 
 require 'bundler/gem_tasks'
 require 'rake/testtask'
+require 'rake/clean'
 
 Rake::TestTask.new(:test) do |t|
   t.libs << 'test'
   t.libs << 'lib'
   t.test_files = FileList['test/**/test_*.rb']
@@ -13,5 +14,59 @@
 require 'rubocop/rake_task'
 
 RuboCop::RakeTask.new
 
 task default: %i[test rubocop]
+
+def install_gems_for_examples
+  sh 'cd bin; bundle install; cd -'
+end
+
+# Example
+desc 'Start example environment'
+task :example do
+  install_gems_for_examples
+  sh 'bundle exec --gemfile=bin/Gemfile bin/example'
+end
+
+# Quarto
+namespace :quarto do
+  qmd_dir = 'doc/qmd'
+  notebook_dir = 'doc/notebook'
+
+  directory notebook_dir
+
+  qmd_files = FileList["#{qmd_dir}/*.qmd"]
+  qmd_files.exclude('~*.qmd')
+  notebooks = qmd_files.pathmap('%{qmd,notebook}p').ext('.ipynb')
+
+  qmd_files.zip(notebooks).each do |qmd, notebook|
+    file notebook => notebook_dir
+    file notebook => qmd do
+      sh "quarto convert #{qmd} -o #{notebook}"
+    end
+  end
+
+  desc 'Convert qmd to ipynb files'
+  task convert: notebooks
+  file notebooks => notebook_dir
+
+  desc 'test to execute notebooks'
+  task test: notebooks do
+    install_gems_for_examples
+    notebooks.each do |notebook|
+      quarto_options = '--execute-daemon-restart --execute'
+      sh "bundle exec --gemfile=bin/Gemfile quarto render #{notebook} #{quarto_options}"
+    end
+  end
+end
+
+desc 'Start jupyter lab'
+task jupyter: 'quarto:convert' do
+  install_gems_for_examples
+
+  jupyter_options =
+    "--notebook-dir='doc/notebook' --NotebookApp.token=''"
+  sh "bundle exec --gemfile=bin/Gemfile jupyter lab #{jupyter_options}"
+end
+
+CLEAN << 'doc/notebook'