Purpose
To document every UI component in detail — covering purpose, variants, states, tokens, and dev expectations — so there is no ambiguity during design, QA, or development.
1. When to Use
- New Component Creation → Every new component added to library.
- Component Update → When visual tokens, states, or behaviors change.
- Dev Handoff → Ensures engineers get a reference for implementation.
2. Workflow Context
- Designer builds component → fills this sheet → peer reviews → lead approves → sheet stored in Component Docs folder.
- Dev refers to it in handoff stage.
- QA validates final build against this sheet during testing.
3. Template (with Sample Entries)
| Field | Description | Sample Entry |
| Component Name | Functional, structured name | Button/Primary/Large |
| Category | System grouping | Action → Buttons |
| Purpose | Why this component exists | “Triggers key user actions across product” |
| Variants | Style variations | Primary, Secondary, Tertiary |
| States | Interaction states | Default, Hover, Active, Disabled, Error, Success |
| Properties | Configurable options | Size: Small/Medium/Large Icon: Left/Right/None |
| Applied Tokens | Tokens linked | Color-Primary, Radius-Small, Font-Button-Text |
| Behavior / System Response | Expected interaction outcome | Hover = 10% darker shade Disabled = cursor not-allowed |
| Accessibility Notes | Contrast, tap area, keyboard rules | Meets WCAG AA contrast Tap target ≥ 44px |
| Usage Guidelines | Do’s & Don’ts | Do: One Primary per screen Don’t: Stack multiple CTAs |
| Dependencies | Linked patterns or components | Uses base Button + icon set |
| Example Screens | Where it appears | Landing Hero CTA, Dashboard “Save” action |
| Figma Reference | Frame/component link | [Figma Link] |
| Dev Handoff Notes | Extra rules for engineers | Must use shared React Button Component v1.2 |
| Version History | Updates applied | v1.0 – Created v1.1 – Updated hover state |
4. Usage Notes
- Every component must have a completed doc sheet before entering library.
- Keep version history updated — no silent changes.
- Store all sheets under:
Design System → Component Documentation.
Outcome: Components are fully documented, traceable, and dev-ready — eliminating ambiguity between design, dev, and QA.