优化

client/shared/redux/hooks/useFriendNickname.ts

@@ -0,0 +1,33 @@
+import { useMemo } from 'react';
+import { buildFriendNicknameMap } from '../../helper/converse-helper';
+import { isValidStr } from '../../utils/string-helper';
+import { useAppSelector } from './useAppSelector';
+
+/**
+ * 获取好友自定义的昵称
+ * 用于覆盖原始昵称
+ *
+ * @param userId 用户id
+ */
+export function useFriendNickname(userId: string): string | null {
+  const nickname = useAppSelector(
+    (state) => state.user.friends.find((f) => f.id === userId)?.nickname
+  );
+
+  if (isValidStr(nickname)) {
+    return nickname;
+  }
+
+  return null;
+}
+
+export function useFriendNicknameMap(): Record<string, string> {
+  const friends = useAppSelector((state) => state.user.friends);
+
+  const friendNicknameMap = useMemo(
+    () => buildFriendNicknameMap(friends),
+    [friends]
+  );
+
+  return friendNicknameMap;
+}