refactor!: next generation AFFiNE code structure (#1176)

apps/web/src/hooks/current/use-current-user.ts

@@ -0,0 +1,11 @@
+import { AccessTokenMessage } from '@affine/datacenter';
+import useSWR from 'swr';
+
+import { QueryKey } from '../../plugins/affine/fetcher';
+
+export function useCurrentUser(): AccessTokenMessage | null {
+  const { data } = useSWR<AccessTokenMessage | null>(QueryKey.getUser, {
+    fallbackData: null,
+  });
+  return data ?? null;
+}