reducer stores

reducers.js

function initialState() {
    return [];
}

function selectReducer(state = initialState(), action) {
    switch (action.type) {
        case SELECT_OPTION:
            return state.map(option =>
                option.id === action.id
                    ? { ...option, selected: true }
                    : option
            );

        case GET_OPTIONS:
            return { ...state, options: [...action.options] };

        default:
            return state;
    }
}

function multiselectReducer(state = initialState(), action) {
    switch (action.type) {
        case SELECT_OPTIONS:
            return state.map(option =>
                _.includes(action.selected, option.id)
                    ? { ...option, selected: true }
                    : option;
        case GET_OPTIONS:

            return { ...state, options: [...action.options] };
        default:

            return state;
    }
}

// first time reducer is run the initial state is returned