file: The file to parse as the plumber router definition.
dir: The directory containing the plumber.R file to parse as the plumber router definition. Alternatively, if an entrypoint.R file is found, it will take precedence and be responsible for returning a runnable router.
Details
API routers are the core request handler in plumber. A router is responsible for taking an incoming request, submitting it through the appropriate filters and eventually to a corresponding endpoint, if one is found.
See the Programmatic Usage article for additional details on the methods available on this object.