jsmanifest
Modern web development insights. React, TypeScript, and beyond.
Recent Posts
View all →
TypeScript 6.0 `--strictBuiltinIteratorReturn`: What Changes When Iterators Finally Have Correct Return Types
September 14, 2026
The iterator return type loophole that existed since TypeScript 2.3 is finally closing. Learn how --strictBuiltinIteratorReturn affects code that relies on iterator protocol semantics and what breaks when you flip the switch.
React Context in 2026: When It Still Beats Zustand and When It Quietly Destroys Performance
September 13, 2026
Most React performance problems stem from misusing Context API as a state manager. This matters because the difference between dependency injection and state management determines whether your app scales or collapses under load.
Next.js Route Handlers in 2026: Replacing API Routes, Handling Streaming Responses, and Edge Runtime Gotchas
September 12, 2026
Route Handlers replaced API Routes in Next.js 13+. Learn streaming responses, edge runtime constraints, and production patterns for webhooks, uploads, and SSE in 2026.
Stay Updated
Get the latest articles and updates delivered straight to your inbox.