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React Native and Expo best practices for performant mobile apps across list rendering, animations, navigation, and native modules. Covers eight rule categories prioritized by impact: list performance (FlashList, memoization, callback stability), animations (GPU properties, derived values), navigation, UI patterns, state management, rendering, monorepo structure, and configuration List performance rules address critical concerns like virtualizing large lists, optimizing images, and avoiding...

Use when adding, modifying, or reviewing VS Code configuration policies. Covers the full policy lifecycle from registration to export to platform-specific…

Comprehensive guide for building React applications with Apollo Client 4.x, covering queries, mutations, caching, and state management. Supports multiple React frameworks and setups: client-side apps (Vite, CRA), Next.js App Router with React Server Components, React Router 7 with streaming SSR, and TanStack Start Includes hooks for queries ( useQuery , useLazyQuery ), mutations ( useMutation ), and Suspense-based patterns ( useSuspenseQuery , useBackgroundQuery ) for modern React 18+ and 19...

Hydrogen storefront implementation cookbooks. Some of the available recipes are: B2B Commerce, Bundles, Combined Listings, Custom Cart Method, Dynamic Content…

CSS, JavaScript, and HTML coding standards for Shopify Liquid themes. Covers BEM naming inside stylesheet tags, design tokens, CSS custom properties, Web…

This skill takes your images and screenshots and makes them look better—sharper, clearer, and more professional.

Build applications powered by GitHub Copilot using the Copilot SDK. Use when creating programmatic integrations with Copilot across Node.js/TypeScript, Python,…

Use this when scaffolding a new Terraform provider.