API Design

You MUST review the relevant API design guidelines before designing or modifying component APIs.

When to Use This Skill

• Designing properties and attributes for new components
• Creating CSS custom properties for theming
• Avoiding impossible states in component APIs
• Choosing between properties, attributes, and slots
• Designing custom events
• Planning component composition patterns
• Setting up package exports and dependencies

Stateless Components

When creating new components or features that may contain user state review the Stateless Components Guidelines.

Properties vs Attributes