我一直在聚合物峰会上观看迈克尔·布利(Michael Bleigh)
当我尝试
observers: ['autoAuth(user, statusKnown)],
autoAuth: function(user, statusKnown) {
if(statusKnown && !user) {
this.$.auth.signInAnonymously(); }
},
signIn: function() {
let google = new firebase.auth.GoogleAuthProvider();
this.user.linkWithPopup(google);
}
它在新用户上工作正常,但在旧用户上,我收到错误消息:另一个帐户已在使用凭据
我该如何解决
最佳答案
尝试这个...
observers: ['autoAuth(user, statusKnown)],
autoAuth: function(user, statusKnown) {
if(statusKnown && (user === null || Object.keys(user).length === 0)) {
this.$.auth.signInAnonymously(); }
},
signIn: function() {
let google = new firebase.auth.GoogleAuthProvider();
this.user.linkWithPopup(google);
}