The junior developer, Sarah, asked, "Where does the socket disconnect logic go?"
The team had been using Context for everything. One giant AppProvider that held user data, UI theme, WebSocket messages, and a forgotten boolean for whether the footer animation had played. alan alickovic react application architecture for production
Alan grabbed a whiteboard marker.
"First," Alan said, erasing a tangled mess of arrows. "We separate business logic from UI. No more useEffect that fetches data AND validates coupons AND plays a sound." The junior developer, Sarah, asked, "Where does the
But tonight, the app had finally snapped. A user reported that adding a pair of sneakers to their cart caused the entire product grid to re-render seventeen times, crashed the login modal, and then—in a final act of rebellion—displayed the total price in Rubles instead of Dollars. "First," Alan said, erasing a tangled mess of arrows