Posts tagged #tooling — Page 3

An introduction to Svelte 5 runes — the explicit reactive primitives ($state, $derived, $effect, $props) that replace Svelte 4's magic $: syntax and make reactivity predictable, composable, and no longer limited to .svelte files.

Biome is a Rust-based toolchain that replaces ESLint and Prettier with a single fast binary. Here's what it does well, where it falls short, and how to migrate.

The @layer rule gives you explicit control over which CSS wins when rules conflict. Here's how cascade layers work and how they change the way you structure stylesheets.

Edge functions run your code in data centers close to users, eliminating the latency of a centralized origin server. Here's what they're good for and how to build with them.

PWAs have matured significantly. Between Workbox's caching strategies, the Background Sync API, and the Web App Manifest improvements, building offline-capable apps is more practical than ever.

Node.js 22 became the active LTS in October 2024, bringing a native test runner, built-in watch mode, require() for ES modules, and much more. Here's what's useful in practice.

TanStack Query v5 cleaned up the API, unified the mental model, and added first-class support for infinite queries and streaming. Here's what changed and why the library remains the standard.

Vitest brings Jest-compatible testing to Vite projects with native TypeScript support, in-source tests, and a dramatically faster watch mode. Here's how to get started.

Astro 5 ships a redesigned Content Layer and a powerful Server Islands feature that brings dynamic personalization to static sites. Here's what changed and why it matters.