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Wait until a Shiny page is idle

Source: R/wait.R
pz_wait_for_shiny_idle.Rd

Waits for the Shiny connection, for <html> to lose shiny-busy, and for every .recalculating output to finish. All three conditions must hold continuously for at least 200ms, including brief busy/recalculating transitions. A page without the Shiny global errors instead of waiting; a page whose Shiny app never connects times out.

Usage

pz_wait_for_shiny_idle(ctx, ..., timeout = NULL)

Arguments

ctx

A paparazzi context.

...

Checked empty; reserved for future use.

timeout

Seconds before giving up; NULL uses the session default.

Value

ctx, invisibly.

See also

pz_open()

Examples

if (FALSE) { # paparazzi:::examples_run("shiny")
page <- pz_open(pz_example("tasks-app"))

# Clicking Add makes the server re-render the task list, which takes a moment
page |>
  pz_set_value("Buy milk", target = "#title") |>
  pz_act_click("#add") |>
  pz_wait_for_shiny_idle()
pz_get_text(page, target = "#summary")
pz_close(page)
}