X-Git-Url: https://git.nmode.ca/Rnaught/blobdiff_plain/1d15746821b536ef60d6b86e475bf0057d98e8bd..94b4dcd37e662eb1e525dc241817c8dd5d4681fc:/R/app.R?ds=sidebyside diff --git a/R/app.R b/R/app.R index 945f9e4..23e32ab 100644 --- a/R/app.R +++ b/R/app.R @@ -4,16 +4,36 @@ #' #' @export app <- function() { + missing_pkgs <- c() + # Check for any missing, required packages. + if (!requireNamespace("bslib", quietly = TRUE)) { + missing_pkgs <- c(missing_pkgs, "bslib") + } if (!requireNamespace("shiny", quietly = TRUE)) { - answer <- readline(paste0("The package 'shiny' must be installed to ", - "launch the Rnaught web application.\nWould you like to install it? ", - "[Y/n] ")) + missing_pkgs <- c(missing_pkgs, "shiny") + } + if (!requireNamespace("DT", quietly = TRUE)) { + missing_pkgs <- c(missing_pkgs, "DT") + } + if (!requireNamespace("plotly", quietly = TRUE)) { + missing_pkgs <- c(missing_pkgs, "plotly") + } + + # If any of the required packages are missing, + # prompt the user to install them. + if (length(missing_pkgs) > 0) { + cat("The following packages must be installed to run the", + "Rnaught web application:\n" + ) + writeLines(missing_pkgs) + answer <- readline("Begin installation? [Y/n] ") - if (answer == "Y" || answer == "y") - install.packages("shiny") - else - stop("Aborting.", call. = FALSE) + if (answer == "Y" || answer == "y") { + install.packages(missing_pkgs) + } else { + stop("Aborting due to missing, required packages.", call. = FALSE) + } } - shiny::shinyApp(ui(), server) + shiny::runApp(appDir = system.file("app", package = "Rnaught")) }