fix (backend): return null (instead of 0) if following/followers count is unavailable

docs/api-change.md

@@ -4,6 +4,7 @@ Breaking changes are indicated by the :warning: icon.
 
 ## Unreleased
 
+- :warning: `followingCount` and `followersCount` in `users/show` will be `null` (instead of 0) if these values are unavailable.
 - :warning: `admin/search/index-all` is removed since posts are now indexed automatically.
 - New optional parameters are added to `notes/search` endpoint:
 	- `sinceDate`

packages/backend/src/models/repositories/user.ts

@@ -513,8 +513,8 @@ export const UserRepository = db.getRepository(User).extend({
 						location: profile!.location,
 						birthday: profile!.birthday,
 						fields: profile!.fields,
-						followersCount: followersCount || 0,
-						followingCount: followingCount || 0,
+						followersCount: followersCount ?? null,
+						followingCount: followingCount ?? null,
 						notesCount: user.notesCount,
 						pinnedNoteIds: pins.map((pin) => pin.noteId),
 						pinnedNotes: Notes.packMany(

packages/client/src/pages/user/home.vue

@@ -311,6 +311,7 @@
 								<span>{{ i18n.ts.notes }}</span>
 							</MkA>
 							<MkA
+								v-if="user.followingCount != null"
 								v-click-anime
 								:to="userPage(user, 'following')"
 								:class="{ active: page === 'following' }"
@@ -319,6 +320,7 @@
 								<span>{{ i18n.ts.following }}</span>
 							</MkA>
 							<MkA
+								v-if="user.followersCount != null"
 								v-click-anime
 								:to="userPage(user, 'followers')"
 								:class="{ active: page === 'followers' }"