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mk-react-patterns

React/Next.js authoring, review, and optimization: components, routes, bundle size, re-renders, performance. Auto-activates on .tsx/.jsx files alongside mk:typescript in React projects.

中文简介正在准备中。当前显示原文说明。

查看安装方法

包含的文件(6)

  • SKILL.md2.5 KB
  • references/async-patterns.md1.6 KB
  • references/bundle-optimization.md1.5 KB
  • references/rendering-patterns.md1.6 KB
  • references/rerender-optimization.md2.0 KB
  • references/server-patterns.md1.7 KB

SKILL.md(原文)

安装前可以查看交给 AI 代理的指令内容。

React Patterns

React and Next.js performance optimization — curated rules across priority categories drawn from framework docs and production practice.

Complements mk:typescript (type safety) and mk:vue (Vue patterns). This skill covers React-specific performance patterns.

When to Use

  • Writing or reviewing React/Next.js components
  • Optimizing bundle size or render performance
  • Fixing re-render issues
  • Server vs client component decisions
  • Data fetching patterns

Rule Categories (by priority)

Load the relevant reference when working in that area:

PriorityCategoryReferenceKey rules
CRITICALEliminating waterfallsreferences/async-patterns.mdDefer await, parallel promises, Suspense boundaries
CRITICALBundle sizereferences/bundle-optimization.mdNo barrel imports, dynamic imports, defer third-party
HIGHServer performancereferences/server-patterns.mdReact.cache(), LRU cache, parallel fetching, after()
MEDIUMRe-render optimizationreferences/rerender-optimization.mdDerived state, functional setState, memo, transitions
MEDIUMRendering perfreferences/rendering-patterns.mdcontent-visibility, hoist JSX, conditional render

Process

  1. Identify the performance concern (waterfall? bundle? re-render? server?)
  2. Load the matching reference file
  3. Apply rules — each rule has: problem, solution, code example
  4. Verify improvement (Lighthouse, bundle analyzer, React DevTools)

Gotchas

  • Premature optimization: optimizing re-renders before measuring → measure first with React DevTools Profiler
  • Over-memoizing: wrapping everything in useMemo/React.memo → memo only when profiler shows expensive re-renders
  • Barrel file trap: importing from index.ts pulls entire module → always import directly from source file

Workflow Integration

Auto-activates during Phase 3 (Build) when React/Next.js project detected. Loaded by developer agent alongside mk:typescript.

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