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Ask HN: Tools/Techniques to design a SPA with reactive state management in 2025?

by miki_tyler on 1/7/25, 7:27 PM with 0 comments

I'm building a single-page app with a complex UI and data model. I'm using reactive state management and I want to plan it out properly. Are there good techniques for modeling the system—kind of like how you'd use ER diagrams for databases or UML for object-oriented design? Looking for simple, practical methods before diving into code.