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core <- c("ggplot2", "tibble", "tidyr", "readr", "purrr", "dplyr", "stringr", "forcats")
core_unloaded <- function() {
search <- paste0("package:", core)
core[!search %in% search()]
}
# Attach the package from the same package library it was
# loaded from before. https://github.com/tidyverse/tidyverse/issues/171
same_library <- function(pkg) {
loc <- if (pkg %in% loadedNamespaces()) dirname(getNamespaceInfo(pkg, "path"))
do.call(
"library",
list(pkg, lib.loc = loc, character.only = TRUE, warn.conflicts = FALSE)
)
}
tidyverse_attach <- function() {
to_load <- core_unloaded()
if (length(to_load) == 0)
return(invisible())
msg(
cli::rule(
left = crayon::bold("Attaching packages"),
right = paste0("tidyverse ", package_version("tidyverse"))
),
startup = TRUE
)
versions <- vapply(to_load, package_version, character(1))
packages <- paste0(
crayon::green(cli::symbol$tick), " ", crayon::blue(format(to_load)), " ",
crayon::col_align(versions, max(crayon::col_nchar(versions)))
)
if (length(packages) %% 2 == 1) {
packages <- append(packages, "")
}
col1 <- seq_len(length(packages) / 2)
info <- paste0(packages[col1], " ", packages[-col1])
msg(paste(info, collapse = "\n"), startup = TRUE)
suppressPackageStartupMessages(
lapply(to_load, same_library)
)
invisible()
}
package_version <- function(x) {
version <- as.character(unclass(utils::packageVersion(x))[[1]])
if (length(version) > 3) {
version[4:length(version)] <- crayon::red(as.character(version[4:length(version)]))
}
paste0(version, collapse = ".")
}
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