docs: document rhino::dev()

R/tools.R

@@ -1,3 +1,20 @@
+#' Development mode
+#'
+#' Run application in development mode with automatic rebuilding and reloading.
+#'
+#' This function will launch the Shiny app in
+#' [development mode](https://shiny.posit.co/r/reference/shiny/latest/devmode.html)
+#' (as if `options(shiny.devmode = TRUE)` was set).
+#' The app will be automatically reloaded whenever the sources change.
+#'
+#' Additionally, Rhino will automatically rebuild JavaScript and Sass in the background.
+#' Please note that this feature requires Node.js.
+#'
+#' @param build_js Boolean. Rebuild JavaScript automatically in the background?
+#' @param build_sass Boolean. Rebuild Sass automatically in the background?
+#' @param ... Additional arguments passed to `shiny::runApp()`.
+#' @return None. This function is called for side effects.
+#'
 #' @export
 dev <- function(build_js = TRUE, build_sass = TRUE, ...) {
   proc <- dev_build(build_js, build_sass)