From 900f044ee37392ef01298d657a9787db9f4cd28c Mon Sep 17 00:00:00 2001
From: Teun van den Brand <tahvdbrand@gmail.com>
Date: Fri, 31 May 2024 11:24:23 +0200
Subject: [PATCH 1/3] sort continuous limits

---
 R/scale-.R | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/R/scale-.R b/R/scale-.R
index 9eaa153590..e5a924c4fa 100644
--- a/R/scale-.R
+++ b/R/scale-.R
@@ -127,11 +127,6 @@ continuous_scale <- function(aesthetics, scale_name = deprecated(), palette, nam
     guide <- "none"
   }
 
-  transform <- as.transform(transform)
-  if (!is.null(limits) && !is.function(limits)) {
-    limits <- transform$transform(limits)
-  }
-
   # Convert formula to function if appropriate
   limits   <- allow_lambda(limits)
   breaks   <- allow_lambda(breaks)
@@ -140,6 +135,14 @@ continuous_scale <- function(aesthetics, scale_name = deprecated(), palette, nam
   oob      <- allow_lambda(oob)
   minor_breaks <- allow_lambda(minor_breaks)
 
+  transform <- as.transform(transform)
+  if (!is.null(limits) && !is.function(limits)) {
+    limits <- transform$transform(limits)
+    if (!anyNA(limits)) {
+      limits <- sort(limits)
+    }
+  }
+
   ggproto(NULL, super,
     call = call,
 

From 3a944ecdf69fc96e4aafb3e9e800fea7be21016e Mon Sep 17 00:00:00 2001
From: Teun van den Brand <tahvdbrand@gmail.com>
Date: Fri, 31 May 2024 11:24:40 +0200
Subject: [PATCH 2/3] viewscale has sorted limits

---
 R/scale-view.R | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/R/scale-view.R b/R/scale-view.R
index de78ebffb6..9679001868 100644
--- a/R/scale-view.R
+++ b/R/scale-view.R
@@ -35,7 +35,7 @@ view_scale_primary <- function(scale, limits = scale$get_limits(),
     name = scale$name,
     scale_is_discrete = scale$is_discrete(),
     limits = limits,
-    continuous_range = continuous_range,
+    continuous_range = continuous_scale_sorted,
     breaks = breaks,
     minor_breaks = minor_breaks
   )

From 2c631f4dd649f85ec2d07871c6f3a3b549758db8 Mon Sep 17 00:00:00 2001
From: Teun van den Brand <tahvdbrand@gmail.com>
Date: Fri, 31 May 2024 11:29:07 +0200
Subject: [PATCH 3/3] add news bullet

---
 NEWS.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/NEWS.md b/NEWS.md
index de3e87cee3..877e7e20be 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,6 @@
 # ggplot2 (development version)
 
+* `continuous_scale()` passes sorted limits to scale (@teunbrand, #5918)
 * The `arrow.fill` parameter is now applied to more line-based functions: 
   `geom_path()`, `geom_line()`, `geom_step()` `geom_function()`, line 
    geometries in `geom_sf()` and `element_line()`.