cli-author
CLI Authoring Skill
Write professional Node.js command-line tools using zero-dependency patterns.
Core Principles
| Principle | Description |
|---|---|
| Zero Dependencies | Use Node.js built-ins only (util.parseArgs, readline, fs) |
| Fail Fast | Validate arguments early, exit with clear errors |
| Exit Codes | 0 = success, 1 = user error, 2 = system error |
| Respect Environment | NO_COLOR, TERM, CI detection |
| Unix Philosophy | Single purpose, composable with pipes |
Argument Parsing with util.parseArgs
Node.js 18+ includes native argument parsing:
More from profpowell/vanilla-breeze
api-client
Fetch API patterns with error handling, retry logic, and caching. Use when building API integrations, handling network failures, or implementing offline-first data fetching.
44validation
Validate data with JSON Schema and AJV. Use when validating API requests, form submissions, database inputs, or any data boundaries. Provides deterministic validation with consistent error formats.
43fake-content
Generate realistic fake content for HTML prototypes. Use when populating pages with sample text, products, testimonials, or other content. NOT generic lorem ipsum.
15xhtml-author
Write valid XHTML-strict HTML5 markup. Use when creating HTML files, editing markup, building web pages, or writing any HTML content. Ensures semantic structure and XHTML syntax.
11layout-grid
Design-focused grid layout system with fluid scaling, responsive columns, and resolution-independent patterns. Use when creating page layouts, card grids, or multi-column designs.
8service-worker
Service worker patterns for offline support, caching strategies, and PWA functionality. Use when implementing offline-first features, caching, or background sync.
8