OESO Menu ARIA Support

$( document ).ready(function() {
   /**
    * ARIA support for clicks and keys
    */
   $(".js__header-has-sub").find(".primary-item").on("click", function() {
      var expandedState = $(this).attr('aria-expanded');
      if (expandedState == 'true') {
         $(this).attr("aria-expanded","false");
         $(this).parent().parent().removeClass("active");
      }
      else {
         $(this).attr("aria-expanded","true");
         $(this).parent().parent().addClass("active");
      }
      return false
   }).keyup(function (e) { // make keyboard enter key act like a mouse click.
      if (e.keyCode === 13 || e.keyCode === 32) { // enter or spacebar
         $(this).click();
      }
   });
   /**
    * ARIA support for hover at desktop width (NBD that it only measures on first page load)
    */
   if ($(window).width() > 980) {
      $(".js__header-has-sub").find(".primary-item").on("mouseenter", function() {
         $(this).attr("aria-expanded","true");
         $(this).parent().parent().addClass("active");
      });
      $(".js__header-has-sub").find(".primary-item").on("mouseleave", function() { 
         $(this).attr("aria-expanded","false");
         $(this).parent().parent().removeClass("active");
      });
   }
});