Typescript Examples

Implement JWT-based authentication in Next.js using middleware for route protection, cookie-based token storage, and edge-compatible jose library for token.

Create typed API route handlers in Next.js App Router with Zod validation, standard Response objects, error handling middleware, and OpenAPI-compatible.

Fetch data server-side in Next.js using getServerSideProps for SEO-friendly pages with fresh data on every request. Includes error handling, TypeScript.

Upload files in Next.js using server actions with streaming progress, file size validation, MIME type checking, and chunked transfer to handle large files.

Validate forms in Next.js App Router using server actions with Zod schema validation. Returns typed error objects to the client component and prevents.

Implement JWT authentication in a Node.js Express server with TypeScript, including token signing, verification middleware, refresh token rotation, and.

Fetch remote data in Node.js with TypeScript using generic HTTP wrappers, retry logic with exponential backoff, response parsing with Zod, and.

Build a type-safe CLI tool in Node.js using Commander.js with subcommands, option parsing, help generation, and TypeScript. Includes chalk-colored output.

Implement a typed error boundary in React with TypeScript that catches render errors, displays fallback UI, logs error details, and supports recovery.

Fetch and cache remote data in React using the SWR library with automatic revalidation, error retry, optimistic updates, and TypeScript generics for.

Validate React form fields using a custom useForm hook with real-time error messages, submission blocking, and TypeScript type safety for form data and.

Upload files in React with a progress bar using XMLHttpRequest and FormData. Supports drag-and-drop, multiple files, file type validation, and upload.

Manage global state in React using Zustand with TypeScript, including slice patterns, async actions, devtools middleware, and selector-based subscriptions.

Implement JWT authentication in React using Context API and useReducer. Includes login, logout, token refresh, protected route wrapper, and automatic token.

Fetch async data in Vue 3 using Suspense components, async setup, and error boundaries. Provides loading fallbacks, error recovery, and TypeScript typing.

Build type-safe reactive forms in Vue 3 with TypeScript using composable validators, computed error states, and debounced field validation that prevents.