Jekyll plugin to prevent liquid syntax being processed inside of code fences

noliquidinfences.rb

# Prevents liquid syntax being processed inside of code fences
Jekyll::Hooks.register :documents, :pre_render do |page, payload|
    docExt = page.extname.tr('.', '')
    # only process if we deal with a markdown file
    if payload['site']['markdown_ext'].include? docExt
        page.content.gsub!(/^(\s*?)(```[\s\S]+?```)(\s*?)$/, '\1{% raw %}\2{% endraw %}\3')
    end
end