Today, we're going to use loose leaf, the service we're currently creating, to consider an implementation that only logged-in users can post.
quora
Make sure the user is logged in
This is OK if you put the following code in the place called mounted
Check user login or not
firebase.auth().onAuthSTateChanged(function(user) {
if (user) {
console.log('login');
Else
console.log('logout');
}
});
In addition, since it is possible to get the user ID or display name from the variable called User, it is necessary to consider how to make effective use of it.