TypeScript Language & Build Tooling

For React-specific patterns (hooks, state, composition), see the React skill (/react). For React Router loaders, actions, and data patterns, see the React Router skill (/react-router). For component design, form UX, and accessibility, see the UX Design skill (/ux-design). For CSS and responsive patterns, see the CSS & Responsive skill (/css-responsive).

1. TypeScript Strictness

Maximum strictness in tsconfig.json