TypeScript in production
The blog's deepest topic: 91 posts on strict types, compiler limits, ecosystem tooling, and decisions you pay for in production.
Strict types and their limits
What the compiler guarantees, what it does not, and where type safety ends.
Package managers and monorepos
pnpm, npm, yarn, and bun compared on real repos, not marketing benchmarks.
Browser APIs that fail
Cases where the type signature says one thing and the runtime does another.
Recommended reads
View moregRPC shows up when REST starts breaking under its own weight
gRPC solves inter-service communication with code generation and HTTP/2. It's fast, it's typed, and the learning curve is going to hurt a bit. Spoiler: it's worth it.
Oct 10 2026 · 5′ · Experiments · java · rpc
Claude API Key Security: Why .env Is Not Optional
Pasting a Claude or DeepSeek API key straight into your code "just to test it quick" leaves a trail in your git history and your logs. A no-nonsense guide to environment variables, rotation, and what to check before sharing a repo.
Sep 09 2026 · 7′ · Tutorials · nextjs · anthropic
The gap between your Server Action and your UI has a name: setQueryData
The Server Action resolves, the toast says "saved," and the UI still shows the old data for a beat. That beat is the gap setQueryData closes without waiting for the full server roundtrip.
Sep 08 2026 · 7′ · Tutorials · Next.js · React
fp-ts Alternatives in TypeScript: When the Abstraction Is Worth It
After showing how a native union type replaces Either and Option in most cases, now comes the uncomfortable part: saying where fp-ts actually wins. It's not everywhere, and that's the point.
Sep 08 2026 · 7′ · Tutorials · TypeScript · node.js
pnpm wins in monorepos, npm wins on zero friction
The difference between npm and pnpm isn't install speed. It's a different storage model — content-addressable store vs a folder tree — and that model matters based on project size, not on what's trendy.
Aug 29 2026 · 8′ · Tutorials · Next.js · pnpm
Server Actions Solves Your Mutation, Not Your Cache
Server Actions in Next.js 16 App Router makes mutations dead simple without writing an endpoint. But when you need client-side cache, optimistic revalidation, or reactive data shared across components, that's where Server Actions falls short — and TanStack Query steps in to solve that, not to replace it.
Aug 17 2026 · 8′ · Tutorials · TypeScript · app-router