filter.js

actionFilter.filterVisited = function (actions) {

   actions.forEach(function (action_id) {

    let actioncookiecap_key = 'actioncookiecap-'+action_id;

    return cache.has(actioncookiecap_key).then(function(val){
  		if(val!==false){
        let index = actions.indexOf(action_id);
        actions.splice(index, 1);
  		}
  	})

  });

}