fixed small bug

r-tmap · Aug 29, 2024 · 9bcd02d · 9bcd02d
1 parent 133f559
commit 9bcd02d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/R/tmapScaleIntervals.R b/R/tmapScaleIntervals.R
@@ -25,7 +25,7 @@ tmapScaleIntervals = function(x1, scale, legend, chart, o, aes, layer, layer_arg
 
 	with(scale, {
 		if (anyDuplicated(breaks)) stop("breaks specified in the ", aes,  ".scale scaling function contains duplicates.", call. = FALSE)
-		if (length(breaks) < 2) stop("breaks should contain at least 2 numbers", call. = FALSE)
+		if (!is.null(breaks) && length(breaks) < 2) stop("breaks should contain at least 2 numbers", call. = FALSE)
 
 		udiv = identical(use_div(breaks, midpoint), TRUE)