action.js

import {
  GET_PLACES,
  GET_PLACES_SUCCESS,
  GET_PLACES_FAILURE
} from '../../actions/getPlaces';

const INITIAL_STATE = {
  places: [],
  errors: [],
}

export default function(state = INITIAL_STATE, action = {}) {
  const { type, places, errors } = action;
  switch (type) {
    case GET_PLACES:
      return {
        ...state,
      };
    case GET_PLACES_FAILURE:
      return {
        ...state,
        errors,
      };
    case GET_PLACES_SUCCESS:
      return {
        ...state,
        places,
      };
    default:
      return state;
  }
}