get_page: Convenience function to retrieve just the "page" part of the input.
Description
This corresponds to what might be called the "path" component of a URL, except
that we're using URLs with hashes before the path & query (e.g.:
http://www.example.com/#!/virtual/path?and=params)
Usage
get_page(session = shiny::getDefaultReactiveDomain())
Value
The current page in a length-1 character vector, or FALSE if the input
has no value.
Arguments
- session
The current Shiny Session