Blog

Articles about web development, React, Next.js, TypeScript and more.

42 articles · 9 per page

in 19 days•1 min read

Building accessible UIs with Radix primitives

Why unstyled primitives beat hand-rolled dialogs, focus traps, aria attributes, and composing with your design system tokens.

in 17 days•1 min read

Route Handlers in Next.js for webhooks and APIs

POST handlers, raw body parsing for signature verification, dynamic segments, edge vs Node runtime, and idempotent webhook processing.

in 15 days•1 min read

Vitest mocking patterns that stay maintainable

vi.mock hoisting, partial mocks, timers, fetch stubs, and when to prefer integration tests over deep module mocks.

in 13 days•1 min read

The use() hook, Suspense, and async data in React 19

How use differs from useEffect, throwing promises to Suspense boundaries, and staying compatible with Server Components in Next.js.

in 11 days•1 min read

CSS cascade layers (@layer) for predictable specificity

Ordering theme, components, and utilities; taming third-party CSS; and how layers interact with !important.

in 9 days•1 min read

Stripe webhooks: verification and idempotency

constructEvent, storing event IDs, out-of-order delivery, retries, and connecting webhooks to your domain model safely.

in 7 days•2 min read

Infinite queries with TanStack Query

useInfiniteQuery, stable pageParam, flattening pages, bi-directional scroll, and cache invalidation when lists mutate.

in 7 days•1 min read

Turborepo remote caching in CI

Vercel Remote Cache vs self-hosted, cache inputs and env keys, hit rate metrics, and invalidation when toolchains change.

in 5 days•1 min read

Full-text search in PostgreSQL

tsvector, GIN indexes, ranking with ts_rank, language configs, and when to reach for Elasticsearch instead.