Shiny Debug Button

Shiny Module that creates a special DEBUG button to toggle the browser() function in a Shiny application.

• shiny_debug_button_ui(): Creates the UI for the Shiny Debug Button.

• shiny_debug_button_server(): Handles the server-side logic for the Shiny Debug Button.

Usage

shiny_debug_button_ui(
  id = "browser",
  label = "Debug",
  icon = shiny::icon("bug"),
  hide = TRUE,
  keyboard_shortcut = "Ctrl + Alt + D"
)

shiny_debug_button_server(id = "browser")

Arguments

id

The ID of the button. Default is browser.

label

The label for the button.

icon

The icon to use for the button. Default is a bug icon.

hide

Whether to hide the button by default. Default is TRUE.

keyboard_shortcut

The keyboard shortcut to toggle the button's visibility. Default is Ctrl + Alt + D.

Value

A UI element containing the hidden button and associated JavaScript.

Details

The shiny_debug_button_ui function creates a hidden button in the Shiny UI that can be toggled to run the browser() function. The shiny_debug_button_server function contains the server-side logic to handle the button's functionality.

This function creates a button that can be used to toggle the browser() function in a Shiny application. The button is hidden by default and can be toggled by pressing the keyboard shortcut Ctrl + Alt + D (or whatever the user specifies via the keyboard_shortcut argument).

Functions

shiny_debug_button_ui

Creates the button UI.

shiny_debug_button_server

Handles server-side logic.

Examples

# launch a shiny app with an interactive debug button
# that can be toggled on and off via keyboard shortcut
# the default keyboard shortcut is Ctrl + Alt + D:

if (interactive()) {

  library(shiny)

  ui <- fluidPage(
    shiny_debug_button_ui(id = "browser_btn", label = "Debug")
  )
  server <- function(input, output, session) {
    shiny_debug_button_server("browser_btn")
  }

  shinyApp(ui, server)

}