INNER CODE UNIT · TypeScript

cacheLanguage

CronusL-1141/AI-company · dashboard/src/i18n/index.ts:45

function cacheLanguage(lang: Lang) {
  try { localStorage.setItem('lang', lang); } catch { /* Cache is optional. */ }
}

export function useLanguage() {
  const [cachedLang] = useState<Lang>(detectLang);
  const queryClient = useQueryClient();
  const query = useQuery({
    queryKey: languageKey,
    queryFn: ({ signal }) => fetchLanguage(undefined, signal),
    staleTime: 0,
  });
  useEffect(() => {
    if (query.data) cacheLanguage(query.data.effective);
  }, [query.data]);
  const mutation = useMutation({
    mutationFn: (mode: LanguageMode) => fetchLanguage(mode),
    // Cancel an older startup/focus read so it cannot undo a successful save.

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