cuetil: Guard against empty values in AppendSplit

grafana · May 15, 2023 · e1d0481 · e1d0481
1 parent 3146087
commit e1d0481
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/internal/cuetil/split.go b/internal/cuetil/split.go
@@ -14,6 +14,9 @@ import (
 //
 // Most calls to this should pass nil for the third parameter.
 func AppendSplit(v cue.Value, splitBy cue.Op, a []cue.Value) []cue.Value {
+	if !v.Exists() {
+		return nil
+	}
 	op, args := v.Expr()
 	// dedup elements.
 	k := 1