Function useUndoInformation

src/ui-solid/primitives.ts:1870–1885

(
  checkpointsOrCheckpointsId?: MaybeCheckpointsOrCheckpointsId,
)

};

export const useUndoInformation = (
  checkpointsOrCheckpointsId?: MaybeCheckpointsOrCheckpointsId,
): UndoOrRedoInformation => {
  const checkpoints = useCheckpointsOrCheckpointsById(
    checkpointsOrCheckpointsId,
  );
  const [backwardIds, currentId] = getThing(useCheckpointIds(checkpoints));
  return [
    !arrayIsEmpty(backwardIds),
    useGoBackwardCallback(checkpoints),
    currentId,
    ifNotUndefined(currentId, (id) =>
      getThing(checkpoints)?.getCheckpoint(id),
    ) ?? EMPTY_STRING,
  ];
};

export const useRedoInformation = (
  checkpointsOrCheckpointsId?: MaybeCheckpointsOrCheckpointsId,