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Nothing wrong with Async/Await and zustand, the thing is that it doesn't maintain complexity as more sources are added, let me try to give you an example of the problem that Async/await solves versus what RxJS solves. Say I'm installing a toilet, I need to go out and buy one from the hardware store, remove the old toilet, install the new one, and finally test that it works. It's a linear process that could easily be constructed via a series of async/awaits, and I wouldn't use RxJS to model the behavior. Now, say I'm building a bathroom. You have a shower head, a sink, a toilet, light fixtures, power outlets, tiling, a door, and a window. You have a bunch of contractors. Now you're dealing with N number of sources, N number of tasks that can possibly done in parallel, and N number of possible things you could do in that bathroom depending on how much the bathroom is finished (for instance, if just the plumbing, floor and sink are complete, I can wash my hands) This was always a hard problem, and not one that is especially appreciated, but I can tell you from experience that attempting to just use promises or async/await is not a scalable pattern. |