Wordless router ready for ajax partial rendering

home.html.haml

.page-item#ascolta= render_partial('music/home')
.page-item#guarda
  %i.fa.fa-video-camera.fa-spin
  :javascript
    jQuery.get('/', {ajax: 'video/home'}, function(data, textStatus, xhr) {
      jQuery('#guarda').html(data);
    });

index.php

<?php

if ( isset( $_GET['ajax'] ) ){
  render_partial( $_GET['ajax'] );
} elseif (is_front_page()){
  render_view("home/content");
} else {
  render_view("posts/404");
}