foreach.js

async function has(id) {
  const val = await cache.has(`actioncookiecap-${id}`);
  return { val, id };
}

actionFilter.filterVisited = async function (actions) {
  const results = await Promise.all(actions.map(has));
  console.log(results) //Returns [ { val: false, id: 39708 }, { val: false, id: 39709 } ]
  return results.filter(v => v.val).map(v => v.id);
}



actionFilter.filterVisited(actions).then(function(a){
				console.log(a) //return [] ??
});