Check for missing annotations

stuart-lab · Apr 17, 2024 · 7f7a992 · 7f7a992
1 parent 10480f0
commit 7f7a992
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/R/utilities.R b/R/utilities.R
@@ -227,6 +227,9 @@ ClosestFeature <- function(
     stop("No query regions supplied")
   }
   annotation <- SetIfNull(x = annotation, y = Annotation(object = object))
+  if (is.null(x = annotation)) {
+    stop("No annotations present for the requested assay")
+  }
   missing_seqlevels <- setdiff(
     x = seqlevels(x = regions), y = seqlevels(x = annotation)
   )