reuser | internal DSL for Ruby to make user role management simple | Authorization library

Main problem is when we pass blank or null string in ".child()" method of firebase, it will give us split("/") error because internally it will try to split from string and get try to get data from it.

Now the problem in your code is you are calling "classList(userUid)" in the widget override method before the data come from firebase userid with use of StreamBuilder() but the userUid is blank and as i said above, firebase will give us split("/") error if we pass blank or null in that ".child()" method.

So the conclusion is we have to wait for firebase userid until we get it from async result because to get firebase userid which is async task and we have to wait for that until result come with using await keyword.

So Here is the answer, how to do that: You have to replace your body portion in widget with the use of future<> such as below:

We don´t have much of a context to use here but, first

Try changing your directive to use shared scope and get rid of the link function.

Then create a new child scope in your service build() method. Attach data for the directive onto that new child scope. Then compile the new directive with the child scope and attach it to DOM.

In general, to set a directive scope property from a service, simply assign it: