reducer

ts

const configs = (state: BookListsInterface = defaultState, action: any): BookListsInterface => {
  switch (action.type) {
    case bookListActions.BOOK_LIST_BEGIN_LOADING: {
      const { loadingMeta } = state;
      loadingMeta.isLoading += 1;

      return { ...state, loadingMeta: Object.assign({}, loadingMeta) };
    }
    case bookListActions.BOOK_LIST_END_LOADING: {
      const { loadingMeta } = state;
      loadingMeta.isLoading -= 1;
      loadingMeta.lastLoad = new Date();

      return { ...state, loadingMeta: Object.assign({}, loadingMeta) };
    }
    case bookListActions.BOOK_LIST_SET_BOOK_LIST: {
      // todo implement
      return { ...state };
    }
    default:
      return state
  }
}