works out the request uri, including scheme, and port from the request passed in the full path is built up from this base

the path/s to be added to the base uri, in the order passed in

--- helpers ---

Creates a deep copy of whatever is passed to it and evaluates string nodes as templates with the provided context. This function is intended to be use

set the (possibly forwarded) http protocol and host in the request

replaces a path parameter in the currently built path with the value passed in. will also remove a 'slash' suffix if one exists.