DEVELOPER NEWS STREAM
Direct logs, engine updates, and framework notifications parsed from curated RSS feeds and announcements, updated hourly.
Gabriel AnhaiaThe Command Pattern with Discriminated Unions: A 90-Line Undo/Redo
Every drawing app needs undo/redo. Classic OOP solves it with 30 ICommand classes. TypeScript solves it with one discriminated union and 90 lines.
Gabriel AnhaiaFrom Resilience4j to TypeScript: Build the JVM Patterns You Already Know
JVM dev opens TS, looks for @CircuitBreaker. Nothing. The patterns are universal. The shape isn't. TS wraps where Spring annotates.
Gabriel AnhaiaFrom Laravel Horizon to BullMQ: Build a Job Queue in TypeScript
Looking for the TypeScript equivalent of Horizon? There isn't one. BullMQ is closer to Sidekiq, and that changes how you build the queue.
Gabriel AnhaiaComposer Autoload vs npm: The PHP Mental Model That Hurts You
Your vendor/ instincts will lie to you about node_modules/. Here's the resolver model that actually explains what you're seeing.
Jeongho Nam@ttsc/lint - I made 20x faster TS Lint by building it into typescript-go — one compile catches both
TL;DR A typical TypeScript project runs tsc for type checking, then runs eslint again for...
Gabriel AnhaiaBuild a Saga Orchestrator in TypeScript with Effect
A 4-step order saga in TypeScript with Effect: typed errors, structured concurrency, idempotency keys, and compensating actions in roughly 150 lines.
Gabriel AnhaiaBuilding a tRPC Router from First Principles
End-to-end TypeScript type safety in ~200 lines: two type-system tricks plus a JSON-over-HTTP transport, no codegen, no dependency.
Jeongho NamFunction Calling Harness 2: CoT Compliance from 9.91% to 100%
TL;DR 9.91% is not "did the model get it right on the first try" — it's "did the model walk...
Gabriel AnhaiaThe Strategy Pattern in TypeScript: Discriminated Unions Beat Subclasses
Java reaches for an interface and 5 implementing classes. TypeScript handles the same job with a union and one dispatch function. Exhaustive at compile time.
Gabriel AnhaiaStop Writing `for` Loops in TypeScript. 2026 Way to Pipeline Data.
Array methods, Object.groupBy, generators, and ES2025 iterator helpers replace 90% of your TypeScript for loops. Here is what to keep, and where the loop still earns its keep.
Gabriel AnhaiaLaravel Collections Are Just Better Arrays. TypeScript Has 90% Too.
Modern TypeScript arrays plus Object.groupBy already cover most of Laravel Collection. Skip lodash; here's the mapping.
Gabriel AnhaiaKotlin `apply` / `also` / `with` Don't Translate to TypeScript
Kotlin scope functions are daily vocabulary. TS doesn't ship them. The patterns that do the same job: object literals, builders, Object.assign, tap.
Gabriel AnhaiaBuild a Type-Safe Event Bus in TypeScript
Discriminated-union events, a typed publish/subscribe API, exhaustive catch-alls, and async fan-out with per-handler error isolation.
Gabriel AnhaiaThe Observer Pattern in TypeScript: When You Don't Need RxJS
Most reactive needs are EventEmitter and ten lines. The rest is RxJS or Effect Stream. Knowing which is which saves a dependency you'll carry for months.
Gabriel AnhaiaDistributive Conditional Types: The Gateway to Advanced TS
T extends X ? A : B distributing over unions is the trick that silently powers Pick, Omit, Exclude, Extract. Grok it and TS feels like a real language.
Gabriel AnhaiaBuild a Circuit Breaker in TypeScript in 80 Lines
Three states, an error-rate window, an exponential cooldown, a half-open probe. 80 lines of runnable TS you can drop into a service today.