lg_frontend/store/system.js

export const state = {
  title: '',
  info: null
}

export const mutations = {
  setTitle (state, title) {
    state.title = title
  },
  setInfo (state, info) {
    state.info = info
  }
}

export const actions = {
  setTitle ({ commit }, title) {
    commit('setTitle', title)
    document.title = title
  },
  setInfo ({ commit, dispatch }, info) {
    commit('setInfo', info)
    dispatch('setTitle', info.home?.title || '')
  }
}