vuex module not mutation root state code example

Example 1: vuex getter root state

const getters = {
  getParams: (state, getters, rootState) => {
    return rootState.route.params
  }
}

Example 2: vuex namespaced getters

computed: {
  ...mapState({
    a: state => state.some.nested.module.a,
    b: state => state.some.nested.module.b
  }),
  ...mapGetters([
    'some/nested/module/someGetter', // -> this.$store.getters['some/nested/module/someGetter']
    'some/nested/module/someOtherGetter', // -> this.$store.getters['some/nested/module/someOtherGetter']
  ])
},
methods: {
  ...mapActions([
    'some/nested/module/foo', // -> this.$store.getters['some/nested/module/foo']()
    'some/nested/module/bar' // -> this.$store.getters['some/nested/module/bar']()
  ])
}