building-components

To build accessible UI components that are composable, use a structured Root/Item/Trigger/Content pattern combined with design tokens. This approach enforces predictable API evolution and incorporates ARIA roles, keyboard navigation, and focus management best practices directly into the component architecture.

The Root/Item/Trigger/Content pattern is a structural design for component composition that separates container elements from interactive elements. It establishes predictable APIs by dividing responsibilities, allowing developers to build flexible primitives using polymorphism strategies like asChild or as and data-slot attributes.

Design tokens are applied for theming by integrating them into the component architecture as style variables. This token-driven approach decouples visual properties from component logic, enabling consistent theming across applications and simplifying integration into larger design systems.

Yes, the component pattern supports polymorphism with existing components through asChild and as strategies. These patterns enable flexible composition by allowing components to inherit the behavior of the pattern while rendering as different underlying elements or integrating with existing UI libraries.

To publish UI components to a design system or registry, organize the project with optional scripts, references, and assets directories for on-demand usage. Include frontmatter with name and description, ensure registry-compatible organization, and document components to accelerate reuse across apps.

Accessibility features for modern UI components must include ARIA roles, keyboard navigation, and focus management. Structuring components with the Root/Item/Trigger/Content pattern ensures these accessibility best practices are consistently applied across all interactive primitives.