text: import { SET_TWEETS } from './feedActions'
  
  const initialState = {
    tweets: []
  }
  
  export default function feed (state = initialState, action) {
    switch (action.type) {
      case SET_TWEETS:
        const nextState = Object.assign({}, state, { tweets: action.tweets })
        return nextState
      default:
        return state
    }
  }
  