enhancer

Implementation

StoreEnhancer<S> get enhancer => (createStore, reducer, preloadedState) {
  S wrappedReducer(S state, Action action) {
    if (_isTimeTraveling) return state;
final nextState = reducer(state, action);
// Record state in history
if (_currentIndex < _history.length - 1) {
// We've time traveled and are now making new changes
// Truncate future history
_history.removeRange(_currentIndex + 1, _history.length);
}
_history.add(nextState);
_currentIndex = _history.length - 1;
return nextState;
}
_store = createStore(wrappedReducer, preloadedState);
_history.add(preloadedState);
_currentIndex = 0;
return _TimeTravelStore(this, _store!);
};