vortexshadow

3 ms·

1. 1.▲
   by vortexshadow 9mo ago

   For what it’s worth, this discussion is exactly what pushed me to experiment with a small runtime invariant helper for React/JS. The idea wasn’t to replace good modeling or tests, but to fail early when real-world state temporarily dri
2. 2.▲
   by vortexshadow 9mo ago

   One nuance I keep seeing is that each individual update is valid, but the invariant only breaks after a specific sequence of events. That’s where things get tricky to reason about upfront.
3. 3.▲
   by vortexshadow 9mo ago

   Tests definitely help, and I agree they should cover as much logic as possible. The gap I’ve seen is that tests usually validate expected scenarios, while some invariants only break after specific sequences of events or over time — especial
4. 4.▲
   by vortexshadow 9mo ago

   Exactly. Failing early is the key part — especially before invalid state has a chance to propagate through the system. What I’ve found tricky in React apps is identifying where those invariants should live when the logic spans multiple as
5. 5.▲
   by vortexshadow 9mo ago

   To add some context: I’m specifically thinking about cases where each individual state update looks valid on its own, but the combination over time breaks a business rule. For example, async flows where status updates and data creation are
6. 6.▲
   Ask HN: How do you catch silent logic bugs that don't crash?

   1 points by vortexshadow 9mo ago|8 comments