
TypeScript Discriminated Unions: Replace All Your if-else Chains
Discriminated unions are the most underappreciated pattern in TypeScript. Learn how they eliminate impossible states, simplify complex logic, and make your code self-documenting.
AI tools for coding: Cursor, Copilot, Claude Code, v0, Bolt

Discriminated unions are the most underappreciated pattern in TypeScript. Learn how they eliminate impossible states, simplify complex logic, and make your code self-documenting.

Vitest has matured into a serious Jest alternative with native ESM support and Vite-powered speed. Here's an honest comparison to help you decide whether migration is worth it.

Battle-tested prompt templates for generating production-ready React components with AI. Learn the CRAFT framework for writing prompts that produce TypeScript-strict, accessible, and well-structured components on the first try.

A well-configured GitHub Actions pipeline catches bugs before production, automates deployments, and maintains code quality without manual work. Build the complete frontend CI/CD pipeline.

A perfect Lighthouse score is achievable with the right architecture. Learn the specific techniques that move each metric from yellow to green — and how to prevent regressions.

Prisma makes database access easy, but easy doesn't mean fast. Learn how to identify slow queries, use select/include strategically, and avoid the N+1 trap.

AI-enhanced forms can adapt questions based on answers, auto-fill from context, and validate intelligently. Learn to build smart forms with Fillout and custom AI logic in Next.js.

How React 19 Actions and useActionState replace the verbose useReducer pattern for form handling and async state management.

ECMAScript 2026 is packed with features that change how you write JavaScript. From Iterator Helpers to Record and Tuple, here is what is landing and how to use it today.

Playwright isn't just for full-page E2E tests anymore. Learn how to use Playwright's component testing to test React components in a real browser with real rendering — no jsdom required.

React Suspense with streaming SSR lets you send HTML progressively, improving perceived performance. Learn how to combine Server Components, Suspense, and streaming to dramatically reduce TTFB.

Long AI coding sessions lose coherence as context windows fill. Learn to manage context strategically — what to include, what to summarize, and when to start a fresh session.