const userInterestsState = {
    user: { data: undefined, status: undefined },
    interests: {
        sports: { data: undefined, status: undefined },
        tv: { data: undefined, status: undefined },
    }
};

// generateSelectors will return the following object

const selectorMap = {
    selector: createFeatureSelector('USER_INTERESTS'),
    user: { selector: createSelector(createFeatureSelector('USER_INTERESTS'), (state) => state.user) },
    interests: {
        selector: createSelector(createFeatureSelector('USER_INTERESTS'), (state) => state.interests),
        sports: {
            selector: createSelector(
                        createSelector(
                            createFeatureSelector('USER_INTERESTS'),
                            (state) => state.interests),
                    (state) => state.sports)
        },
        tv: {
            selector: createSelector(
                        createSelector(
                            createFeatureSelector('USER_INTERESTS'),
                            (state) => state.interests),
                    (state) => state.tv)
        },
    }
};