Refactor React components into reusable pieces with clearer interfaces. Provides patterns for replacing excessive boolean settings, sharing state through providers, and designing component libraries, with additional guidance for React 19 APIs.
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.
Review the instructions the agent will receive before you install.
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.
Reference these guidelines when:
| 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- |
architecture-avoid-boolean-props - Don't add boolean props to customize
behavior; use compositionarchitecture-compound-components - Structure complex components with shared
contextstate-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 accesspatterns-explicit-variants - Create explicit variant components instead of
boolean modespatterns-children-over-render-props - Use children for composition instead
of renderX props⚠️ React 19+ only. Skip this section if using React 18 or earlier.
react19-no-forwardref - Don't use forwardRef; use use() instead of useContext()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:
For the complete guide with all rules expanded: AGENTS.md
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