Use of vuex namespace

{
    "Module 1":{
        state:{},
        getters:{},
        mutations:{},
        actions:{}
    },
    "Module 2":{
        state:{},
        getters:{},
        mutations:{},
        actions:{}
    }
}

mapXXXs('namespace name',['attribute name 1','attribute name 2'])

mapXXXs('namespace name',{

  'New name 1 in component': 'Original name 1 in Vuex',

  'New name 2 in component': 'Original name 2 in Vuex',

})

import Vue from "vue";
import App from "./App.vue";
import router from "./router";
import store from "./store/index";

Vue.config.productionTip = false;

new Vue({
  router,
  store,
  render: h => h(App)
}).$mount("#app");

import Vue from "vue";
import Vuex from "vuex";
import cat from "./modules/cat";
import dog from "./modules/dog";

Vue.use(Vuex);

export default new Vuex.Store({
  modules: { cat, dog }
});

export default {
  namespaced: true,
  // local state: {
    name: "Blue and White British Shorthair",
    age: 1
  },
  // Local read getters: {
    desc: state => "Pet: " + state.name
  },
  // Local changes mutations: {
    increment(state, payload) {
      state.age += payload.num;
    }
  },
  // Local actions actions: {
    grow(context, payload) {
      setTimeout(() => {
        context.commit("increment", payload);
      }, 1000);
    }
  }
};

export default {
  namespaced: true,
  // local state: {
    name: "Labrador",
    age: 1
  },
  // Local read getters: {
    desc: state => "Pet: " + state.name
  },
  // Local changes mutations: {
    increment(state, payload) {
      state.age += payload.num;
    }
  },
  // Local actions actions: {
    grow(context, payload) {
      setTimeout(() => {
        context.commit("increment", payload);
      }, 1000);
    }
  }
};

<template>
  <div class="hello">
    <h3>Vuex state tree</h3>
    <div>{{this.$store.state}}</div>
    <h3>mapState</h3>
    <div>{{catName}} {{catAge}}</div>
    <div>{{dogName}} {{dogAge}}</div>
    <h3>mapGetters</h3>
    <div>{{catDesc}}</div>
    <div>{{dogDesc}}</div>
    <h3>mapMutations</h3>
    <button @click="catIncrement({num:1})">Cat changes</button>
    <button @click="dogIncrement({num:1})">Dog changes</button>
    <h3>mapActions</h3>
    <button @click="catGrow({num:1})">Cat Action</button>
    <button @click="dogGrow({num:1})">Dog action</button>
  </div>
</template>

<script>
import { mapState, mapGetters, mapMutations, mapActions } from "vuex";

export default {
  name: "HelloWorld",
  computed: {
    ...mapState("cat", {
      catName: "name",
      catAge: "age"
    }),
    ...mapState("dog", {
      dogName: "name",
      dogAge: "age"
    }),
    ...mapGetters("cat", {
      catDesc: "desc"
    }),
    ...mapGetters("dog", {
      dogDesc: "desc"
    })
  },
  methods: {
    ...mapMutations("cat", { catIncrement: "increment" }),
    ...mapMutations("dog", { dogIncrement: "increment" }),
    ...mapActions("cat", { catGrow: "grow" }),
    ...mapActions("dog", { dogGrow: "grow" })
  }
};
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped lang="scss">
</style>