Ionic5 App connection to SupaBase gives "process is not defined"

Hello I have the following problem:

I wanted to test a few small things with the "new" SupaBase service.

I have also implemented everything using an example angularapp.

https://stackblitz.com/edit/supabase-angular-example

Now I get the following error when starting:

the error occurs if the service is defined in the constructor.

Does anyone have any experience with the exact cause of the error?