vue app component

App.vue

<template>
  <div id="app"
    v-loading.fullscreen.lock="store.loadingRef > 0"
    element-loading-text="loading"
    element-loading-spinner="el-icon-loading"
    element-loading-background="rgba(0, 0, 0, 0.6)">
    <router-view></router-view>
  </div>
</template>

<script>
import store from '@/store';

export default {
  name: 'app',
  data() {
    return {
      store,
    };
  },
}
</script>

<style lang="scss">
body {
  font-family: 'Avenir', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0px;
  overflow: auto;
  height: 100vh;
}
#app {
  height: 100vh;
}
</style>

store.js

export default {
  loadingRef: 0,
  addLoadingRef() {
    this.loadingRef += 1;
  },
  minusLoadingRef() {
    if (this.loadingRef > 0) {
      this.loadingRef -= 1;
    }
  },
};