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vercel-composition-patterns

Skill1 starsChanged 9 months agoMITView on GitHub

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: - architecture-avoid-boolean-props - Don't add boolean props to customize behavior; use composition - architecture-compound-components - Structure complex components with shared context - state-decouple-implementation - Provider is the only place that knows how state is managed - state-context-interface -…

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1 rule. 1 is common, 0 are distinctive, and 0 are very specific to this project.

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    Common

    Most of the 28 edited versions we read keep these.

  • 0

    Distinctive

    This author's own choices. Worth a look.

  • 0

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  • Common
  • Distinctive
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  1. Common:

    Read individual rule files for detailed explanations and code examples:

    line 73

“Common” is measured: kept by at least 6 in 10 of the 28 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

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SKILL.md

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

PriorityCategoryImpactPrefix
1Component ArchitectureHIGHarchitecture-
2State ManagementMEDIUMstate-
3Implementation PatternsMEDIUMpatterns-
4React 19 APIsMEDIUMreact19-

Quick Reference

1. Component Architecture (HIGH)

  • architecture-avoid-boolean-props - Don't add boolean props to customize behavior; use composition
  • architecture-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 managed
  • state-context-interface - Define generic interface with state, actions, meta for dependency injection
  • state-lift-state - Move state into provider components for sibling access

3. Implementation Patterns (MEDIUM)

  • patterns-explicit-variants - Create explicit variant components instead of boolean modes
  • patterns-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 use forwardRef; use use() instead of useContext()

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

Download now (ZIP)

Trending

Surging: 3 new projects took it in the last 4 weeks, 3× the 4 weeks before.thin data

Week of Aug 30: 0 new projectsWeek of Sep 6: 1 new projectWeek of Sep 13: 0 new projectsWeek of Sep 20: 0 new projectsWeek of Sep 27: 1 new projectWeek of Oct 4: 2 new projectsWeek of Oct 11: 0 new projectsWeek of Oct 18: 0 new projects
Aug 2026Sep 2026Oct 2026
New projects taking a version of this file each week, over the 8 weeks our latest run read: only 4 in all, so this is a hint, not a trend.

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