Nuxtjs和Firebase身份验证：正在等待firebase.auth（）。currentUser不等待吗？

Question

Nuxt.js专注于服务器端呈现，并具有asyncData属性，该属性在加载页面组件之前被调用一次。

我正在尝试类似的事情：

async asyncData({params}) {
    // firebase.auth().onAuthStateChanged((user)=>{ // <-- this doesn't work in the asyncData property
      let user = await firebase.auth().currentUser
      let info = {}
      console.log(user)

      user.uid === null // true
}

两个类似的问题：

• firebase.auth().currentUser is null
• Get firebase.auth().currentUser with async/await

具有似乎不适用于nuxt的解决方案...

我也尝试过：

function getCurrentUser(auth) {

  let userLoaded = false;
  return new Promise((resolve, reject) => {
     if (userLoaded) {
          resolve(firebase.auth().currentUser);
     }
     const unsubscribe = auth.onAuthStateChanged(user => {
        userLoaded = true;
        unsubscribe();
        resolve(user);
     }, reject);
  });
}