tnsu-approval-route/frontend/src/webparts/approvalAdmin/hooks/useSharePointSiteTitle.ts

import * as React from 'react';
import { SharePointListsClient } from '../services/sharePointLists';

export interface SharePointSiteTitleState {
  title: string | null;
  isLoading: boolean;
}

/** Заголовок сайта SharePoint по его url — для отображения «Название — url» вместо голого url. */
export function useSharePointSiteTitle(
  client: SharePointListsClient | undefined,
  siteUrl: string | undefined | null
): SharePointSiteTitleState {
  const [title, setTitle] = React.useState<string | null>(null);
  const [isLoading, setIsLoading] = React.useState(false);

  React.useEffect(() => {
    if (!client || !siteUrl?.trim()) {
      setTitle(null);
      setIsLoading(false);
      return undefined;
    }

    let cancelled = false;
    setIsLoading(true);

    client.getSiteTitle(siteUrl.trim())
      .then(result => { if (!cancelled) setTitle(result); })
      .catch(() => { if (!cancelled) setTitle(null); })
      .finally(() => { if (!cancelled) setIsLoading(false); });

    return () => { cancelled = true; };
  }, [client, siteUrl]);

  return { title, isLoading };
}