RatingsReducer.js

import { ADD_RATINGS } from "./RatingsActions";

const initialState = { list: [] };

const RatingsReducer = (state = initialState, action) => {
    switch (action.type) {

    case ADD_RATINGS :
        return {
            ...state,
            list: action.ratings,
        };

    default:
        return state;
    }
};

/* Selectors */

// Get all ratings
export const getRatings = state => state.Ratings.list;

// Export Reducer
export default RatingsReducer;