What React Flow Doesn't Do For You: Building a Diagram Editor With Domain Rules

September 25, 2026 · Dev.to

Your ledger is losing money and your tests will never tell you
Most of the bugs I have chased in payment systems were not logic bugs. The formula was right. The rounding was right. Th
The Post-Rotation Re-Scan: Proving a Leaked Key Is Actually Dead
Rotating a leaked credential is the step everyone performs and almost nobody verifies, which is how the old key keeps wo
A No-Repeat Random Draw Looks Trivial Until Round 70
Drawing numbers without repeats sounds like a beginner exercise. It is also a place where a lot of shipped code has a re
Normalize Units at the Boundary, or Ship a 12x Bug
A user types 3 into a depth field. The label says inches. Your formula assumes feet. You just shipped a 12x error, and n
Phoebe Bridgers Rings in Spooky Season With ‘On Video,’ From the ‘Primetime’ Soundtrack
Singer-songwriter makes her acting debut in Lance Oppenheim's crime thriller, starring Robert Pattinson