07筆記vuex module 02

// App.vue
<template>
  <div id="app">    

  </div>
</template>

<script>
export default {
  name: 'app'
}
</script>

<style>
#app {
  font-family: 'Avenir', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
}
</style>

// main.js
import Vue from 'vue'
import Vuex from 'vuex'
import App from './App.vue'

Vue.use(Vuex)
Vue.config.productionTip = false

const moduleA = {
  namespaced: true,
  state: {
    count: 3
  },
  mutations: {
    increment (state) {
      state.count++;
    }
  },
  getters: {
    doubleCount (state) {
      return state.count * 2;
    }
  },
  actions: {
    incrementIfOdd ({ state, commit }) {
      if(state.count % 2 === 1) {
        commit('increment');
      }
    }
  }
};

const moduleB = {
  state: {
    count: 8
  },
  mutations: {

  },
  getters: {

  },
  actions: {

  }
};

const store = new Vuex.Store({
  modules: {
    a: moduleA,
    b: moduleB
  },
  state: {
    count: 2
  },
  mutations: {

  },
  getters: {

  },
  actions: {

  }
});


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

window.console.log( store.state.a.count );
// store.commit('increment');
store.commit('a/increment');
window.console.log( store.state.a.count );
// window.console.log( store.state.b.count );