Can't dinamic import vuex modules

[n4an]

When import vuex module with code below, no getters and other data added from imported module.

const notificationsModule = () => import('../store/modules/Notifications.js');

export default {
...
mounted() {
this.$store.registerModule("notifications", notificationsModule, { preserveState: true });
},
serverPrefetch () {
this.$store.registerModule("notifications", notificationsModule);
}
}