Dva リファクタリング Zustand エキスパート

interface DSListState {
  loading: boolean;
  searchKeywords?: string;
  dsList: Data[];
}
interface DSListAction {
  useFetchList: () => {
    data: Data[];
    loading: boolean;
    mutate: any;
  };
  refetch: () => void;
}
type DSListStore = DSListState & DSListAction;

export const useDSList = create<DSListStore>((set, get) => ({
  loading: false,
  searchKeywords: undefined,
  dsList: [],
  useFetchList: () => {
    const { isValidating, mutate } = useSWR<HituDesignSystem[]>(
      '/ds-list',
      undefined,
      {
        onSuccess: async (data) => {
          let dsmManagerRoles = [];
          if (!isPublic) {
            dsmManagerRoles = await request('/user-manager');
          }

          set({
            dsList: data
              .filter(
                (item) => item.latestVersion || dsmManagerRoles.includes(item.id),
              )

            loading: false,
          });
        },
        onError: () => {
          set({ loading: false });
        },
        onLoadingSlow: () => {
          set({ loading: true });
        },
      },
    );

    return { loading: isValidating || get().loading, mutate, data: get().dsList };
  },
  refetch: () => {
    mutateSWR('/remote/ds-list');
  },
}));