RocketChat/Rocket.Chat

import { useUserPreference, useSetting } from '@rocket.chat/ui-contexts';
import { useMemo } from 'react';

export const useQueryOptions = (): {
    sort:
        | {
                lm?: -1 | 1 | undefined;
          }
        | {
                lowerCaseFName: -1 | 1;
                lm?: -1 | 1 | undefined;
          }
        | {
                lowerCaseName: -1 | 1;
                lm?: -1 | 1 | undefined;
          };
} => {
    const sortBy = useUserPreference('sidebarSortby');
    const showRealName = useSetting('UI_Use_Real_Name');

    return useMemo(
        () => ({
            sort: {
                ...(sortBy === 'activity' && { lm: -1 }),
                ...(sortBy !== 'activity' && {
                    ...(showRealName ? { lowerCaseFName: 1 } : { lowerCaseName: 1 }),
                }),
            },
        }),
        [sortBy, showRealName],
    );
};