text: import * as types from './types';
  import Immutable from 'seamless-immutable';
  
  const theme = (state = Immutable('light') , action) => {
  
    switch (action.type) {
      case types.UPDATE_THEME:
      return action.theme ;
  
      default:
      return state;
    }
  }
  
  export default theme;
  