Nothing
# nocov start
.onLoad <- function(libname, pkgname) {
make_hier_clust()
make_k_means()
s3_register("generics::required_pkgs", "cluster_fit")
s3_register("generics::required_pkgs", "cluster_spec")
ns <- rlang::ns_env("tidyclust")
makeActiveBinding(
"tidyclust_color",
function() {
opt <- getOption("tidymodels.dark", NULL)
if (!is.null(opt)) {
if (isTRUE(opt)) {
return(tidyclust_color_dark)
} else {
return(tidyclust_color_light)
}
}
tidyclust_color_light
},
ns
)
# Modified version of the cli .onLoad()
# We can't use cli::symbol$tick because the width of the character
# looks awful when you output it alongside info / warning characters
makeActiveBinding(
"tidyclust_symbol",
function() {
# If `cli.unicode` is set we use that
opt <- getOption("cli.unicode", NULL)
if (!is.null(opt)) {
if (isTRUE(opt)) {
return(tidyclust_symbol_utf8)
} else {
return(tidyclust_symbol_ascii)
}
}
# Otherwise we try to auto-detect
if (cli::is_utf8_output()) {
tidyclust_symbol_utf8
} else if (is_latex_output()) {
tidyclust_symbol_ascii
} else if (is_windows()) {
tidyclust_symbol_windows
} else {
tidyclust_symbol_ascii
}
},
ns
)
}
# vctrs:::s3_register()
s3_register <- function(generic, class, method = NULL) {
stopifnot(is.character(generic), length(generic) == 1)
stopifnot(is.character(class), length(class) == 1)
pieces <- strsplit(generic, "::")[[1]]
stopifnot(length(pieces) == 2)
package <- pieces[[1]]
generic <- pieces[[2]]
caller <- parent.frame()
get_method_env <- function() {
top <- topenv(caller)
if (isNamespace(top)) {
asNamespace(environmentName(top))
} else {
caller
}
}
get_method <- function(method, env) {
if (is.null(method)) {
get(paste0(generic, ".", class), envir = get_method_env())
} else {
method
}
}
method_fn <- get_method(method)
stopifnot(is.function(method_fn))
# Always register hook in case package is later unloaded & reloaded
setHook(
packageEvent(package, "onLoad"),
function(...) {
ns <- asNamespace(package)
# Refresh the method, it might have been updated by `devtools::load_all()`
method_fn <- get_method(method)
registerS3method(generic, class, method_fn, envir = ns)
}
)
# Avoid registration failures during loading (pkgload or regular)
if (!isNamespaceLoaded(package)) {
return(invisible())
}
envir <- asNamespace(package)
# Only register if generic can be accessed
if (exists(generic, envir)) {
registerS3method(generic, class, method_fn, envir = envir)
}
invisible()
}
# nocov end
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