Overview TanStack Router is a fully type-safe router for React (and Solid) applications. It provides file-based routing, first-class search parameter management, built-in data loading, code splitting, and deep TypeScript integration. It serves as the routing foundation for TanStack Start (the full-stack framework). Package: CLI: or (Vite/Rspack/Webpack) Devtools: Installation Core Concepts Route Trees Routes are organized in a tree structure. The root route is the top-level layout, and child routes nest underneath. File-Based Routing File-based routing automatically generates the route tree f…