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Add a loading overlay to a dashboard page

add_loading_overlay.Rd

Creates an animated loading overlay that appears when the page loads and automatically fades out after a specified duration. Useful for providing visual feedback while charts and visualizations are rendering.

Usage

add_loading_overlay(
  text = "Loading",
  timeout_ms = 2200,
  theme = c("light", "glass", "dark", "accent")
)

Arguments

text

Text to display in the loading overlay (default: "Loading")

timeout_ms

Duration in milliseconds before the overlay hides (default: 2200)

theme

Visual theme for the overlay. One of:

  • "light" - Clean white overlay with subtle shadow

  • "glass" - Glassmorphic semi-transparent overlay

  • "dark" - Dark gradient overlay

  • "accent" - Light overlay with blue accents

Value

An htmltools tag object containing the overlay HTML, CSS, and JavaScript

Examples

if (FALSE) { # \dontrun{
# In a Quarto document R chunk:
dashboardr::add_loading_overlay("Loading Dashboard...", 2000, "glass")
} # }