This function returns a blank Plotly plot with optional annotation text.
It ensures that when no valid data is available, a meaningful placeholder plot is displayed
instead of causing an error.
Usage
.plotly_empty_plot(message = "No data available")
Arguments
- message
A character string specifying the text to display in the center of the empty plot.
Defaults to "No data available".
Value
A Plotly object representing an empty plot with hidden axes.