Alan Alickovic React Application Architecture For Production |best| -
Alan sat up in bed. "No more," he whispered. At 8:00 AM, he walked into the "war room." The team was exhausted. Juniors were frantically adding console.log statements. The product manager was asking, "Can we just wrap it in a try/catch ?"
He introduced a . Plain TypeScript classes: CartService , UserSession , AnalyticsTracker . These had zero React imports. They were tested with Jest in 12ms. They could run on a server, a worker, or a toaster. alan alickovic react application architecture for production
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 sat up in bed
"In the initialize function. Not in a useEffect cleanup. Not in a component. The service manages its own lifecycle. The React app just subscribes to the results." Three months later, Black Friday hit. Juniors were frantically adding console
Alan pointed to a single file: services/websocket.ts .