Developing TypeScript

Expert guidance for building robust, type-safe TypeScript and React applications.

Quick Start

For immediate help, identify your task type and consult the relevant reference:

Working On	Reference File	Key Topics
Generics, conditional types, inference	typescript-core	Type system, utility types, declarations
Components, hooks, state management	react-architecture	Composition, Context, reducers
React 19, Server Components, Actions	react-19-patterns	ref as prop, useActionState, use(), Server Actions
Apollo Client, codegen, type safety	graphql-integration	Queries, mutations, cache
React Testing Library, integration tests	testing-react	User behavior testing, async
Bundle size, memoization, Core Web Vitals	performance-optimization	Code splitting, profiling