Function undo

core/transaction.ts:239–249

()

  }

  function undo() {
    const entitiesToRebase = new Set<AnyEntity>();
    for (const change of changes) {
      entitiesToRebase.add(change.entity);
      undoEntityChange(change);
    }

    for (const entity of entitiesToRebase) {
      rebaseEntityChanges(entity);
    }
  }

  return {
    pushChange,