vue-vite-ts/src/pages/admin/App.vue

<template>
  <div id="app">
    <loading v-if="loading" />
    <router-view />
  </div>
</template>
<script>
import loading from '@/components/loading.vue'
import { mapState } from 'pinia'
import useStore from './store/index'

export default {
  components: {
    loading
  },
  computed: {
    ...mapState(useStore, [ 'loading' ])
  }
}
</script>
<style>
html,body{
  margin: 0;
  padding: 0;
}
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
}
</style>