34 lines
924 B
R
34 lines
924 B
R
|
|
#' @description Function check if variable contains some sort of empty data
|
|
#' (NULL, NA, "", other 0-length data) and return `TRUE` (`FALSE` if data is
|
|
#' not 'empty').
|
|
#'
|
|
#' Needed for proper data validation.
|
|
#' @export
|
|
is_this_empty_value = function(value_to_check) {
|
|
|
|
# for any 0-length
|
|
if (length(value_to_check) == 0) return(TRUE)
|
|
|
|
# for NA
|
|
if (is.logical(value_to_check) && is.na(value_to_check)) return(TRUE)
|
|
|
|
# for NULL
|
|
if (is.null(value_to_check)) return(TRUE)
|
|
|
|
# for non-empty Date (RETURN FALSE)
|
|
if (inherits(value_to_check, "Date") && length(value_to_check) != 0) return(FALSE)
|
|
|
|
# for empty strings (stands before checking non-empty data for avoid mistakes)
|
|
if (is.character(value_to_check)) {
|
|
if (is.na(value_to_check)) return(TRUE)
|
|
if (value_to_check == "") return(TRUE)
|
|
}
|
|
|
|
if (is.double(value_to_check)) {
|
|
if (is.na(value_to_check)) return(TRUE)
|
|
}
|
|
|
|
return(FALSE)
|
|
}
|