Implement web accessibility (a11y) best practices following WCAG guidelines to create inclusive, accessible user interfaces.
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fellipeutaka/kanpeki33Updated Aug 28, 2026
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vercel-composition-patterns
React composition patterns that scale. Use when refactoring components with boolean prop proliferation, building flexible component libraries, or designing reusable APIs. Triggers on tasks involving compound components, render props, context providers, or component architecture. Includes React 19 API changes.
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Works withVercel
See how to installFiles included (10)
- SKILL.md2.8 KB
- AGENTS.md22.1 KB
- rules/architecture-avoid-boolean-props.md2.2 KB
- rules/architecture-compound-components.md2.5 KB
- rules/patterns-children-over-render-props.md1.8 KB
- rules/patterns-explicit-variants.md2.3 KB
- rules/react19-no-forwardref.md953 B
- rules/state-context-interface.md4.9 KB
- rules/state-decouple-implementation.md2.6 KB
- rules/state-lift-state.md3.1 KB
SKILL.md (original)
Review the instructions the agent will receive before you install.
React Composition Patterns
Composition patterns for building flexible, maintainable React components. Avoid boolean prop proliferation by using compound components, lifting state, and composing internals. These patterns make codebases easier for both humans and AI agents to work with as they scale.
When to Apply
Reference these guidelines when:
- Refactoring components with many boolean props
- Building reusable component libraries
- Designing flexible component APIs
- Reviewing component architecture
- Working with compound components or context providers
Rule Categories by Priority
| Priority | Category | Impact | Prefix |
|---|---|---|---|
| 1 | Component Architecture | HIGH | architecture- |
| 2 | State Management | MEDIUM | state- |
| 3 | Implementation Patterns | MEDIUM | patterns- |
| 4 | React 19 APIs | MEDIUM | react19- |
Quick Reference
1. Component Architecture (HIGH)
architecture-avoid-boolean-props- Don't add boolean props to customize behavior; use compositionarchitecture-compound-components- Structure complex components with shared context
2. State Management (MEDIUM)
state-decouple-implementation- Provider is the only place that knows how state is managedstate-context-interface- Define generic interface with state, actions, meta for dependency injectionstate-lift-state- Move state into provider components for sibling access
3. Implementation Patterns (MEDIUM)
patterns-explicit-variants- Create explicit variant components instead of boolean modespatterns-children-over-render-props- Use children for composition instead of renderX props
4. React 19 APIs (MEDIUM)
⚠️ React 19+ only. Skip this section if using React 18 or earlier.
react19-no-forwardref- Don't useforwardRef; useuse()instead ofuseContext()
How to Use
Read individual rule files for detailed explanations and code examples:
rules/architecture-avoid-boolean-props.md
rules/state-context-interface.md
Each rule file contains:
- Brief explanation of why it matters
- Incorrect code example with explanation
- Correct code example with explanation
- Additional context and references
Full Compiled Document
For the complete guide with all rules expanded: AGENTS.md
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