Biome

Overview

Biome is a fast Rust-based toolchain that combines formatting, linting, and import organization. 25x faster than Prettier, 15x faster than ESLint. Replaces ESLint + Prettier with single tool.

Key features (v2.0):

• 97% Prettier compatibility, 340+ lint rules
• Type-aware linting without TypeScript compiler
• Supports: JS, TS, JSX, TSX, JSON, CSS, GraphQL
• Framework domains: react, next, solid, test

When to Use This Skill

• Setting up linting/formatting for new project
• Migrating from ESLint + Prettier
• Configuring pre-commit hooks
• Setting up CI code quality checks
• Configuring monorepo linting