CLI Building

Guidelines for building command-line interfaces with modern patterns and best practices.

When to Use

• Creating new CLI tools or commands
• Building interactive terminal applications
• Adding commands to existing projects
• Implementing command-line interfaces
• Working with CLI frameworks

Core Principles

• Async-first: All I/O operations should be async/await, avoid blocking operations
• Composable commands: Commands should be modular and reusable, use command composition
• Strategy pattern: Use strategy pattern for branching workflows or task-based commands
• Output formatting: Proper formatting with unicode symbols and color support