const goLogin = split(
  sample<UserInfo | null>({
    source: $userInfoStore,
    clock: goLoginEvent,
  }),
  {
    loggedIn: (payload) => payload !== null,
    loggedOut: (payload) => payload === null,
  }
);

forward({
  from: goLogin.loggedIn,
  to: pushRouterFx.prepend(() => '/lk'),
});

forward({
  from: goLogin.loggedOut,
  to: pushRouterFx.prepend(() => '/'),
});

split({
  source: sample<UserInfo | null>({
    source: $userInfoStore,
    clock: goLoginEvent,
  }),
  match: {
    loggedIn: (payload) => payload !== null,
    loggedOut: (payload) => payload === null,
  },
  cases: {
    loggedIn: pushRouterFx.prepend(() => '/lk'),
    loggedOut: pushRouterFx.prepend(() => '/'),
  },
});

Type 'Event<unknown>' is not assignable to type 'Unit<UserInfo | null>'.