Ask HN: How do you catch silent logic bugs that don't crash?
vortexshadow Sunday, January 18, 2026I’ve seen cases where JavaScript code keeps running fine, tests pass, and there are no errors, but the internal logic becomes invalid.
For example:
order.status = "paid" order.invoiceId = null
No crash. No exception. Just wrong state.
How do experienced teams usually detect or guard against this kind of issue in real production systems?
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