import { CHANGEVOLUME } from "../actions/setVolumeAction.js"; let DEFAULTVOLUME = 30; if (!sessionStorage.hasOwnProperty('volume')) { sessionStorage.setItem('volume','30'); } else { DEFAULTVOLUME = sessionStorage.getItem('volume'); } export default (state = DEFAULTVOLUME, action) => { switch (action.type) { case CHANGEVOLUME: return action.volume; default: return state; } }