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TypeScript `never` in Practice: Exhaustive Checks, Impossible States, and Narrowing Dead Code
July 28, 2026
Master the never type for exhaustive checks, impossible state elimination, and compile-time guarantees. Learn practical patterns that catch bugs before they reach production.
TypeScript exactOptionalPropertyTypes: The Strict Flag That Catches the Bugs strict Misses
July 27, 2026
Most production TypeScript bugs stem from a single assumption: that strict mode catches every type safety hole. It doesn't. The exactOptionalPropertyTypes flag exposes runtime crashes that strict mode silently permits—here's why teams overlook it and how to fix it.
Next.js 16 Server Actions in Production: Patterns, Validation, and the Mistakes Teams Make at Scale
July 26, 2026
Most Server Actions fail at scale because teams treat them as internal functions instead of public POST endpoints. Learn the production patterns for authentication, validation, multi-tenant authorization, and choosing between Server Actions and Route Handlers in Next.js 16.
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