R/attach.R

In tidymass/tinytools: All the usefull tools for MS data processing and analysis

core <- c("magrittr")

tinytools_core_unloaded <- function() {
    search <- paste0("package:", core)
    core[!search %in% search()]
}

# Attach the package from the same package library it was
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
        )
    )
}

tinytools_attach <- function() {
    to_load <- tinytools_core_unloaded()
    if (length(to_load) == 0) {
          return(invisible())
      }

    msg(cli::rule(
        left = crayon::bold("Attaching packages"),
        right = paste0("tinytools ", tinytools_package_version("tinytools"))
    ),
    startup = TRUE
    )

    versions <-
        vapply(to_load, tinytools_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()
}

tinytools_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 = ".")
}