geom_curve() removes missing data (#5832)

* apply remove_missing()

* add news bullet

Author: teunbrand

NEWS.md

@@ -1,5 +1,7 @@
 # ggplot2 (development version)
 
+* `geom_curve()` now appropriately removes missing data instead of throwing
+  errors (@teunbrand, #5831).
 * `update_geom_defaults()` and `update_stat_defaults()` have a reset mechanism
   when using `new = NULL` and invisible return the previous defaults (#4993).
 * Fixed regression in axes where `breaks = NULL` caused the axes to disappear

R/geom-curve.R

@@ -47,6 +47,11 @@ GeomCurve <- ggproto("GeomCurve", GeomSegment,
     if (!coord$is_linear()) {
       cli::cli_warn("{.fn geom_curve} is not implemented for non-linear coordinates")
     }
+    data <- remove_missing(
+      data, na.rm = na.rm,
+      c("x", "y", "xend", "yend", "linetype", "linewidth"),
+      name = "geom_curve"
+    )
 
     trans <- coord$transform(data, panel_params)