Engineering notes on patterns, tradeoffs, and technical thinking.
Using TanStack Query for UI state or Zustand for server cache creates subtle bugs and unnecessary complexity. Here is why separation matters and how to do it right.
Race conditions in frontend state are silent, hard to reproduce, and everywhere. Most React apps have them. Here is how to find and fix them.
Most useMemo calls in production codebases do not improve performance. They add memory overhead, reduce readability, and give developers a false sense of optimization.