DEVELOPER NEWS STREAM
Direct logs, engine updates, and framework notifications parsed from curated RSS feeds and announcements, updated hourly.
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.
Leandro CamposModernizing Bluetooth Printing in React Native 🚀
Modernizing Bluetooth Printing in React Native 🚀 Hello everyone, Anyone who has needed to...
Gabriel AnhaiaPhantom Types in TypeScript: Stop Mixing Kilograms and Pounds at Compile Time
Branded types' bigger sibling. Tag a number with its unit, currency, or service-of-origin and the compiler refuses to add kilograms to pounds.
Gabriel AnhaiaHigher-Kinded Types in TypeScript: 4 Workarounds and When to Use Each
TypeScript has no HKTs. fp-ts URI/Kind, Effect's HKT lite, defunctionalization, branded type-functions. Pick the trick that fits.
Gabriel AnhaiaTypeScript Project References: 11-Minute Builds Down to 3
A 22-package monorepo, an 11-minute cold tsc, and the project-references setup that takes it down to three. Composite, incremental, gotchas.
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.
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 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 AnhaiaState Machines in TypeScript: A 60-Line Type-Safe Engine
States and events as types. The transition table is the schema. The compiler refuses delivered-to-cancelled before the tests run.
Gabriel AnhaiaA Token Bucket Rate Limiter: a 50-Line In-Memory + 95-Line Redis Variant in TypeScript
An in-memory token bucket for single-instance, an atomic Redis Lua version for distributed. The math is the part most teams get wrong.
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 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 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 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 AnhaiaThe package.json exports Map Is the Most Important File You're Writing Wrong
Dual ESM/CJS, types-first ordering, deep-import blocking, and how attw plus publint catch the exports-map mistakes that npm publishes anyway.
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