Robin Wieruch

AI made producing work nearly free, so the job is absorbing complexity before handing work to someone else, with examples from tickets, PRs, and slide decks.

Agentic coding collapses the cost of implementation labor.

How to bring consistency to multi-service TypeScript applications by treating resource names and resource types as first-class concepts with shared utilities ...

How to document project patterns and anti-patterns so AI agents can review code against your team's conventions automatically ...

Build a multi-model chat interface using Next.js and the AI SDK by Vercel ...

Build a multi-model chat interface using Next.js and the AI SDK by Vercel ...

Build a full-stack React.js AI chat application using the AI SDK by Vercel ...

Build a full-stack AI chat app using React.js on Next.js and the OpenAI API ...

Learn about authorization in Next.js when using React Server Components, Server Actions, and Next's App Router ...

React Trends in 2025 which should be on your watchlist.

Learn how to display toast notifications from React Server Actions in React (and Next.js) with useEffect and useActionState ...

Learn how to display toast notifications from React Server Actions in React (and Next.js) with useActionState ...

Learn how to display toast notifications from React Server Actions in React (and Next.js) ...

How to: OpenAI in JavaScript with LangChain.

Learning React in 2025 as a library or framework is not an easy decision.

Learn how to build a simple interactive CLI app with Node.js and TypeScript.

Learn how to set up a TypeScript Node.js project from scratch with this step-by-step guide.

A curated list of React libraries for 2026 with recommendations for state, data fetching, routing, styling, UI, forms, testing, auth, and hosting.

React starter kits (Vite, Next, Astro, Remix, React Router) which help React developers to start a React project in 2025 ...

How to: Streaming Structured Output in JavaScript with LangChain.

A tutorial how to use a monorepo architecture in frontend JavaScript and TypeScript with tools like npm/yarn/pnpm workspaces, Turborepo/NX/Lerna, Git Submodules, ...

How to upgrade Vite to TypeScript from JavaScript ...

How to: Structured Output in JavaScript with LangChain.

How to: Streaming in JavaScript with LangChain.

How to: OpenAI in JavaScript with LangChain.

From a single file to feature folders and a production monorepo: how to structure React projects with files, technical folders, and clean boundaries.

My complete Mac setup for web development in 2026: macOS preferences, Homebrew, iTerm2, Oh My Zsh, VS Code, Git, SSH, and Node.js with NVM.

How to: Search Params in React Router 7.

How to: Descendant Routes in React Router 7.

How to: Nested Routes in React Router 7.

How to: React Router 7 Lazy Loading: code-splitting at route level helps you lazy-load just the things that are needed by the user, which dramatically improves the performance ...

You will learn how to use authentication in React Router 7 by authenticating a user by login (sign in) and logout (sign out) ...

A brief React Router 7 example to get you started ...

How to: Redirect in React Router 7 by using the declarative Navigate component or the programmatic useNavigate Hook ...

How to use Private Routes in React Router 7 (alias Protected Routes) by using conditions (e.g. authentication, permissions, roles) to authorize users for guarded pages ...

React Router 7 tutorial: setup, hooks, nested routes, dynamic routes, programmatic navigation, active links, layout routes, index routes and more.

Learn React Function Components (also called Functional Components) by example: props, state with Hooks, event handlers, refs, TypeScript, and more for modern React.

How to validate forms in React without a form library on the server and the client ...

Popular React Tech Stack for Full-Stack Applications in 2025 to create your product (i.e.

Data fetching patterns for React components across Client and Server Components ...

How to create a feature-based React architecture that allows large scale applications ...

How Database Relations inform React Components and how Component Composition is the solution to the problem ...

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Learn how to handle FormData in React when submitting it with a (Server) Action to the server ...

Freelance Developers have to rate their services by time or by value.

Learn how not to reset a form after a erroneous server action in React.

Learn how to roll your own authentication in Next.js ...

Learn how to roll your own authentication in JavaScript & TypeScript ...

Learn the fundamentals about data fetching in client-side React with React Hooks ...

A tutorial about using Drag and Drop in React by example for a vertical list (later horizontal list) with @hello-pangea/dnd as DnD library ...