1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
inform_startup <- function(msg, ...) {
if (is.null(msg)) {
return()
}
if (isTRUE(getOption("tidyverse.quiet"))) {
return()
}
rlang::inform(msg, ..., class = "packageStartupMessage")
}
#' List all packages in the tidyverse
#'
#' @param include_self Include tidyverse in the list?
#' @export
#' @examples
#' tidyverse_packages()
tidyverse_packages <- function(include_self = TRUE) {
raw <- utils::packageDescription("tidyverse")$Imports
imports <- strsplit(raw, ",")[[1]]
parsed <- gsub("^\\s+|\\s+$", "", imports)
names <- vapply(strsplit(parsed, "\\s+"), "[[", 1, FUN.VALUE = character(1))
if (include_self) {
names <- c(names, "tidyverse")
}
names
}
invert <- function(x) {
if (length(x) == 0) return()
stacked <- utils::stack(x)
tapply(as.character(stacked$ind), stacked$values, list)
}
|
