Run after each post-mount render (or when dependencies change).
With dependencies=None this fires every update; with dependencies=[...] only
on changes.
Parameters:
-
fn
(Callable[[], Any | Awaitable[Any]])
–
A function to run after each
post-mount render (or when dependencies change).
-
dependencies
(Sequence[Any] | None)
–
If present, fn is only run when one
of the dependencies has changed. If absent, fn is run after every
render.