Helper for generating menu links (inside an <li> tag, with an active class if we're on the current page)

li_link_to.rb

#usage: <%= li_link_to 'Home', home_path if (can? :read, Home) %>

  def li_link_to(name = nil, options = nil, html_options = nil, &block)
    html_options, options, name = options, name, block if block_given?
    options ||= {}

    html_options = convert_options_to_data_attributes(options, html_options)

    url = url_for(options)
    html_options['href'] ||= url

    if current_page?(url)
      content_tag(:li, class: "active") do 
        content_tag(:a, name || url, html_options, &block)
      end
    else
      content_tag(:li) do
        content_tag(:a, name || url, html_options, &block)
      end
    end
  end