const state = { lang: window.localStorage.getItem('lang') || 'zh' } const getters = { lang(state) { if (state.lang === 'en') { return 'English' } else if (state.lang === 'zh') { return '中文' } else { return state.lang } } } const mutations = { SET_LANG(state, value) { state.lang = value } } const actions = {} export default { namespaced: true, state, getters, mutations, actions }