CoffeeScript Code Formatting in ERB?

Hi,

I use coffeebeans gem to use "coffeescript_tag" helper.
I wrote such as below:

    <%= coffee_script_tag do %>
      $ ->
        $('#work_task_form_customer_id').change ->
          $.getJSON '
            <% front_shops_path %>?customer_id=' + $(@).val(), (json) ->
              alert json

    <% end %>

But the RubyMine code formatter re-format this:

  <%= coffee_script_tag do %>
    $ ->
    $('#work_task_form_customer_id').change ->
    $.getJSON '
    <% front_shops_path %>?customer_id=' + $(@).val(), (json) ->
    alert json

  <% end %>

Does anyone has a solution to recognize RubyMine that is CoffeeScript?

If you think that I shouldn't write javascript/coffeescript code in HTML but Rails routing (front_shops_path likes above) does not work in assets directory.

Thanks.