fixes for r cmd check

R/pal-.R

@@ -18,6 +18,7 @@
 #'   that can be returned by the discrete palette.
 #' @param x An object to test or coerce.
 #' @param pal A palette to retrieve properties from.
+#' @param ... Additional arguments. Currently not in use.
 #'
 #' @return
 #' For `new_continuous_palette()`, `new_discret_palette()`, `as_discrete_pal()`
@@ -187,7 +188,7 @@ as_continuous_pal.pal_discrete <- function(x, ...) {
     type,
     color = , colour = colour_ramp(x(nlevels)),
     numeric = new_continuous_palette(
-      approxfun(seq(0, 1, length.out = nlevels), x(nlevels)),
+      stats::approxfun(seq(0, 1, length.out = nlevels), x(nlevels)),
       type = "numeric", na_safe = FALSE
     ),
     cli::cli_abort(

R/pal-manual.R

@@ -35,5 +35,5 @@ guess_pal_type <- function(x) {
 is_color <- function(x) {
   # '#' followed by 3,4,6 or 8 hex digits
   grepl("^#(([[:xdigit:]]{2}){3,4}|([[:xdigit:]]){3,4})$", x) |
-    x %in% colours()
+    x %in% grDevices::colours()
 }