You two young little whippersnappers are having a nice convo, so apologies for this geezer butting into it.
@Tommertom’s advice in this thread has been stellar as usual, but I really want to highlight one thing:
This was absolutely the crucial insight for me. It’s much less RxJS the tool than it is embracing the tenets of functional programming that ReactiveX has laundered from places like Haskell. When I was first introduced to what Angular calls “dependency injection”, it was called “inversion of control”, and I actually prefer that term, especially when talking amongst fellow oldsters for whom it truly is an inversion of the way they’ve thought about programming for decades.
I’ve developed several heuristics and metaphors that have helped me navigate this way of thinking, and on the off-chance that you may find some of them useful, here are some samples: