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testing-components
Teaches React Testing Library patterns for React 19 components. Use when writing component tests, testing interactions, or testing with Server Actions.
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djankies AI Skills
GitHub ↗Browse published AI skills maintained by djankies. Compare skill descriptions and follow each source repository for setup instructions.
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GitHub
deploying-production-migrations
Deploy migrations to production safely using migrate deploy in CI/CD. Use when setting up production deployment pipelines.
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GitHub
optimizing-with-react-compiler
Teaches what React Compiler handles automatically in React 19, reducing need for manual memoization. Use when optimizing performance or deciding when to use useMemo/useCallback.
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GitHub
reviewing-server-actions
Review Server Actions for security, validation, and best practices in React 19. Use when reviewing forms, mutations, or server-side logic.
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GitHub
managing-dev-migrations
Use migrate dev for versioned migrations; db push for rapid prototyping. Use when developing schema changes locally.
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GitHub
implementing-code-splitting
Teaches code splitting with lazy() and Suspense in React 19 for reducing initial bundle size. Use when implementing lazy loading, route-based splitting, or optimizing performance.
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GitHub
migrating-async-request-apis
Teach async request APIs in Next.js 16 - params, searchParams, cookies(), headers(), draftMode() are now async. Use when migrating from Next.js 15, fixing type errors, or working with request data.
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GitHub
preloading-resources
Teaches resource preloading APIs in React 19 including prefetchDNS, preconnect, preload, and preinit. Use when optimizing initial load or navigation performance.
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GitHub
implementing-query-pagination
Implement cursor-based or offset pagination for Prisma queries. Use for datasets 100k+, APIs with page navigation, or infinite scroll/pagination mentions.
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GitHub
validating-schema-basics
Validate code for Zod v4 compatibility by detecting deprecated APIs and ensuring adherence to v4 patterns
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GitHub
plan-validate-execute-template
[REPLACE] Plan changes, validate before execution, execute with verification. Use when [REPLACE with specific triggers].
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GitHub
reviewing-dependencies
Automated tooling and detection patterns for analyzing npm dependencies, unused packages, and dead code. Provides tool commands and what to look for—not how to structure output.
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GitHub
following-the-rules-of-hooks
Fix React Rules of Hooks violations - conditional calls, hooks in loops/callbacks/classes
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GitHub
migrating-from-v3
Migrate from Tailwind CSS v3 to v4 including configuration migration (JS to CSS), utility renames, opacity changes, and color system updates. Use when upgrading existing projects to v4.
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GitHub
securing-server-actions
Teach server action authentication and security patterns in Next.js 16. Use when implementing server actions, form handlers, or mutations that need authentication.
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GitHub
reviewing-complexity
Analyze code complexity and maintainability including cyclomatic complexity, function length, nesting depth, and cognitive load. Use when reviewing code maintainability, refactoring candidates, or technical deb...
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GitHub
reviewing-duplication
Automated tooling and detection patterns for identifying duplicate and copy-pasted code in JavaScript/TypeScript projects. Provides tool commands and refactoring patterns—not workflow or output formatting.
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GitHub
handling-transaction-errors
Handle transaction errors properly with P-code checking and timeout configuration. Use when implementing transaction error recovery.
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GitHub
creating-client-singletons
Prevent multiple PrismaClient instances that exhaust connection pools causing P1017 errors. Use when creating PrismaClient, exporting database clients, setting up Prisma in new files, or encountering connection...
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GitHub
migrating-middleware-to-proxy
Teach middleware.ts to proxy.ts migration in Next.js 16. Use when migrating middleware, encountering middleware errors, or implementing request proxying.
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GitHub
reviewing-performance-patterns
Review React 19 performance patterns including memoization, re-renders, and bundle size. Use when reviewing performance or optimization.
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GitHub
implementing-server-actions
Teaches Server Actions in React 19 for form handling and data mutations. Use when implementing forms, mutations, or server-side logic. Server Actions are async functions marked with 'use server'.
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GitHub
migrating-to-vitest-4
Migrate from Vitest 2.x/3.x to 4.x with pool options, coverage config, workspace to projects, and browser mode updates. Use when upgrading Vitest versions or encountering deprecated patterns.
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GitHub
configuring-transaction-isolation
Configure transaction isolation levels to prevent race conditions and handle concurrent access. Use when dealing with concurrent updates, financial operations, inventory management, or when users mention race c...
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