
Comprehensive TypeScript performance analysis and optimization. Use when users report slow TypeScript compilation, slow editor experience, or want to investigate TypeScript performance issues. This skill provides diagnostic tools, trace analysis workflows, and optimization strategies. Key triggers include mentions of slow builds, type-checking delays, tsc performance, editor lag with TypeScript, or requests to analyze/improve TypeScript performance. Always prioritize data-driven analysis using --extendedDiagnostics, --generateTrace, and TS Server logs before making optimization recommendations.
Run after making React changes to catch issues early. Use when reviewing code, finishing a feature, or fixing bugs in a React project.
Read this when working with React Router Specific Conventions; using file-based flat routes, v8 middlewares, testing with React Router's framework features.
Learn how to use Tailwind CSS v4's advanced features like custom utilities and variants.
This skills tells you how to access docs of Base UI. Base UI is a React component library focused on accessibility, performance, and developer experience.
Read this when you are testing React Component with Vitest Browser Mode tests. Test file extension is expected to `.browser.test.{ts,tsx}`.