Biome Toolchain

Biome is a modern, Rust-based linter, formatter, and code analysis tool for JavaScript, TypeScript, JSON, and other web languages. Created by maintainers of Prettier and ESLint, Biome consolidates what used to require 5+ Node.js tools (ESLint, Prettier, Stylelint, etc.) into a single, ultra-fast CLI. It's zero-config by default but highly customizable via biome.json. Biome runs 10-100x faster than equivalent Node.js tools because Rust doesn't have runtime overhead. For large codebases, this speed improvement changes the developer experience—tests run in seconds instead of minutes.