nodejs

name	nodejs
description	Node.js and TypeScript development standards including project structure, quality tools (npm, Biome, Vitest, TypeScript), testing patterns, and best practices. Use whenever working in a project with package.json, tsconfig.json, or Node.js/TypeScript source files. Triggers on JavaScript, TypeScript, npm, or Node.js development tasks.

Node.js Development Standards

Apply these standards when working with Node.js/TypeScript projects.

Toolchain Summary

Category	Preferred Tool	Alternative
Package Manager	npm	-
Linting/Formatting	Biome	ESLint + Prettier
Testing	Vitest	Jest
Type Checking	TypeScript (strict)	-

Key Commands

npm ci                        # Clean install
npm run lint && npm run test  # Quality check
npm run typecheck             # Type validation
npm run test:coverage         # Coverage report

Quality Requirements

• 80% minimum test coverage
• No linting errors
• 100% type coverage
• Clean npm audit

See reference.md for complete tooling standards and configurations.