Function onMutateSourcesSettings

packages/shared/src/hooks/useMutateFilters.ts:178–197

(
  source: Source,
  queryClient: QueryClient,
  manipulate: ManipulateSourceFunc,
  user: LoggedUser | undefined,
  feedId: string | undefined,
)

) => FeedSettings;

const onMutateSourcesSettings = async (
  source: Source,
  queryClient: QueryClient,
  manipulate: ManipulateSourceFunc,
  user: LoggedUser | undefined,
  feedId: string | undefined,
): Promise<() => Promise<void>> => {
  const queryKey = getFeedSettingsQueryKey(user, feedId);
  const currentSettings = getCachedFeedSettingsOrThrow(
    queryClient,
    queryKey,
    'sources',
  );
  const newData = manipulate(normalizeFeedSettings(currentSettings), source);
  const keys = [queryKey, getFeedSettingsQueryKey(user, feedId)];
  await updateQueryData(queryClient, newData, keys);
  return async () => {
    await updateQueryData(queryClient, currentSettings, keys);
  };
};

const clearNotificationPreference = async ({
  queryClient,