shinyToastify
This is a wrapper of the 'React' library 'React-Toastify' for usage in Shiny applications.
Six available types:

The toast container and the toast body are easily customizable.
Four available transitions:

Toast are better with fontawesome icons:

Callbacks
It is possible to execute a R callback and/or a JavaScript callback whenever
a toast closes.
 
             
             
             
             
            