jsmanifest
Modern web development insights. React, TypeScript, and beyond.
Recent Posts
View all →TypeScript 6.0 `--noEmit` and Type-Only Builds: Why Your CI Pipeline Should Never Call tsc for Output Again
July 22, 2026
Most CI pipelines waste minutes waiting for tsc to transpile code that production never uses. The --noEmit flag and type-only checks unlock parallel builds that finish 3x faster while catching every type error.
TypeScript Abstract Classes vs Interfaces in 2026: Which to Reach For and When
July 21, 2026
Most TypeScript engineers misuse abstract classes and interfaces because they treat them as interchangeable. Learn the structural differences, performance implications, and decision framework that separates production-ready architectures from brittle code.
TypeScript noUncheckedIndexedAccess in 2026: The Flag You Should Have Turned On Years Ago
July 20, 2026
Most production crashes from undefined array access stem from a single compiler flag being off. Teams pay for this oversight twice a month.
Stay Updated
Get the latest articles and updates delivered straight to your inbox.