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Found 257 Skills
Write and maintain tests with Vitest v4 dual configuration, mock utilities, and Zustand store testing patterns.
You are a TypeScript project architecture expert specializing in scaffolding production-ready Node.js and frontend applications. Generate complete project structures with modern tooling (pnpm, Vite, N
Migrate webpack, Vite, create-react-app (CRA/CRACO), or Vue CLI projects to Rsbuild.
Vitest testing framework patterns for test setup, async testing, mocking with vi.*, snapshots, and test performance (formerly test-vitest). This skill should be used when writing or debugging Vitest tests. This skill does NOT cover TDD methodology (use test-tdd skill), API mocking with MSW (use test-msw skill), or Jest-specific APIs.
Create data-driven presentation slides using React, Vite, and Recharts with Sentry branding. Use when asked to "create a presentation", "build slides", "make a deck", "create a data presentation", "build a Sentry presentation". Scaffolds a complete slide-based app with charts, animations, and single-file HTML output.
LOAD THIS SKILL when: writing unit tests, TRPC integration tests, or E2E tests. Covers Vitest patterns, Effect service testing, PGlite database testing, and Playwright E2E.
Expert guidance for React Three Fiber development with React, Vite, Tailwind CSS, and three.js
Use this skill when writing unit tests with Jest or Vitest, implementing mocking strategies, configuring test runners, or improving test coverage. Triggers on Jest, Vitest, describe/it/expect, mocking, vi.fn, jest.fn, snapshot testing, test coverage, and any task requiring JavaScript/TypeScript unit testing.
Comprehensive React development guide covering component architecture, hooks, state management, TypeScript integration, useEffect patterns, and testing with Vitest. Use when creating React components, custom hooks, managing state, or any frontend React code. Essential for React 19+ development.
Use when writing tests for next-safe-action actions or hooks -- Vitest patterns for testing server actions directly, middleware behavior, hooks with React Testing Library, validation errors, and server errors
Use this skill when working with Vite+, vp CLI, or the VoidZero unified toolchain. Triggers on project scaffolding with vp create, migrating existing Vite projects with vp migrate, running dev/build/test/lint/fmt commands, configuring vite.config.ts with lint/fmt/test/run/pack/staged blocks, managing Node.js versions with vp env, monorepo task execution with vp run, and library packaging with vp pack. Also triggers on references to Oxlint, Oxfmt, Rolldown, tsdown, Vitest, or Vite Task in a Vite+ context.
React and Vite performance optimization guidelines. Use when writing, reviewing, or optimizing React components built with Vite. Triggers on tasks involving Vite configuration, build optimization, code splitting, lazy loading, HMR, bundle size, or React performance.