code: function onlyFollowing (ids, max) {
        return computed([recent, ids, contact.yourFollowing], (a, b, c) => {
          var result = a.filter(x => b.includes(x) && c.includes(x))
          if (result.length === 0 && a.length) {
            // fallback to just recent
            result = a.filter(x => b.includes(x))
          }
          if (max) {
            return result.slice(0, max)
          } else {
            return result
          }
        })
      }
docs: scoped