Redux/app/reducers/color.js

import * as types from "./../constants/ActionTypes";


const color = (state = "pink", action) => {
  switch (action.type) {
      case types.NEW_BACKGROUND:
          state = action.color === 'pink' ? 'green' : 'pink';
          return state;
      default:
      return state;
   }
};
export default color;