Nothing
cal_pkg_check <- function(pkgs = NULL) {
installed <- purrr::map_lgl(pkgs, rlang::is_installed)
not_installed <- pkgs[!installed]
if (length(not_installed)) {
n_pkgs <- length(not_installed)
pkg_str <- paste0(not_installed, collapse = ", ")
install_cmd <- paste0("install.packages(", pkg_str, ")")
cli::cli_abort(paste(
"{n_pkgs} package{?s} ({.pkg {not_installed}}) {?is/are} needed ",
"for this calibration but {?is/are} not installed.",
"To install run: {.run {install_cmd}}"
))
}
invisible()
}
#' S3 methods to track which additional packages are needed for specific
#' calibrations
#' @param x A calibration object
#' @inheritParams generics::required_pkgs
#' @export
required_pkgs.cal_object <- function(x, ...) {
c("probably")
}
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