is_true_check_env_var <- function(x, default = "") {
# like utils:::str2logical
val <- Sys.getenv(x, default)
if (isTRUE(as.logical(val))) return(TRUE)
tolower(val) %in% c("1", "yes")
}
isFALSE <- function(x) {
is.logical(x) && length(x) == 1L && !is.na(x) && !x
}
is_false_check_env_var <- function(x, default = "") {
# like utils:::str2logical
val <- Sys.getenv(x, default)
if (isFALSE(as.logical(val))) return(TRUE)
tolower(val) %in% c("0", "no")
}
# Only skip if _R_CHECK_FORCE_SUGGESTS_ is false
skip_if_not_installed <- function(pkg) {
if (!is_false_check_env_var("_R_CHECK_FORCE_SUGGESTS_")) return()
testthat::skip_if_not_installed(pkg)
}
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