react-router-file-routes

React Router v7 file-based routing maps file names in the app/routes directory directly to URL paths, where creating a file like about.tsx automatically generates the /about route without manual configuration. This convention uses specific naming patterns to define the routing structure.

To define dynamic and nested routes in React Router v7, you use specific file naming conventions within app/routes. Nested routes are created by prefixing child files with the parent route's name, such as concerts._index.tsx for /concerts, while dynamic segments use the $param syntax, like concerts.$city.tsx for /concerts/:city.

Pathless layouts in React Router v7 use an underscore prefix to render components without adding to the URL path. Optional segments are denoted with a question mark, splat routes use a dollar sign to catch all remaining URL segments, and special characters can be escaped using bracket notation.

To create an index route for the root path in a React Router v7 app, you create a file named _index.tsx within the app/routes directory. This specific file naming convention automatically maps to the root URL and renders when the parent route is exactly matched.

React Router v7 file-based routing does not require manual route configuration, as it automatically generates routes based on the file naming conventions in the app/routes directory. This design speeds up route implementation by organizing route files to directly map to URL paths.