yargs Patterns Skill

Comprehensive patterns and templates for building CLI applications with yargs, the modern Node.js argument parsing library.

Overview

yargs is a powerful argument parsing library for Node.js that provides:

• Automatic help generation
• Rich command syntax (positional args, options, flags)
• Type coercion and validation
• Subcommands with isolated option namespaces
• Middleware for preprocessing
• Completion scripts for bash/zsh

Quick Reference

Basic Setup