n.auth is not a function

[Drennen]

I cannot fix this issue, this is a very basic project with only hosting + firestore in actual use, realtime + storage are installed. I cannot understand why I'm having this issue. It only occurs when I deploy using firebase deploy, and is only present on the hosted page. My router does not do anything unless I remove all firebase code.

firestore service: https://pastebin.com/ZHuVnMRu 

app module: https://pastebin.com/sx9k7aQ6