This is the context passed in to your server adapter's getLoadContext() function. It's a way to bridge the gap between the adapter's request/response API with your React Router app. It is only applicable if you are using a custom server adapter.
Dynamic route params for the current route.
Matched un-interpolated route pattern for the current path (i.e., /blog/:slug). Mostly useful as a identifier to aggregate on for logging/tracing/etc.
A Fetch Request instance which you can use to read headers (like cookies, and URLSearchParams from the request.
A URL instance representing the application location being navigated to or
fetched. By default, this matches request.url.
In Framework mode with future.v8_passThroughRequests enabled, this is a
normalized URL with React-Router-specific implementation details removed
(.data suffixes, index/_routes search params).
Arguments passed to action functions