vue-devtools/packages/shell-dev-vue2/src/Init.vue

<script>
import { mapState } from 'vuex'

export default {
  computed: {
    ...mapState({
      inited: state => state.inited,
    }),
  },
  created() {
    this.$store.commit('TEST_INIT')
  },
}
</script>

<template>
  <div id="init">
    <p>Inited: {{ inited }}</p>
  </div>
</template>