reducers.1.js

reducers: {
    query(state) {
      return { ...state, loading: true, };
    },
    querySuccess(state, { payload }) {
      return { ...state, loading: false, list: payload };
    },
    vote(state) {
      return { ...state, loading: true };
    },
    voteSuccess(state, { payload }) {
      const newList = state.list.map(product => {
        if (product.id === payload) {
          return { ...product, vote:product.vote + 1 };
        } else {
          return product;
        }
      });
      return { ...state, list: newList, loading: false };
    },
  },