close #23; Add IsUnknown function

mileusna · Sep 16, 2023 · b781054 · b781054
1 parent 905f16a
commit b781054
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/is.go b/is.go
@@ -79,3 +79,9 @@ func (ua UserAgent) IsTwitterbot() bool {
 func (ua UserAgent) IsFacebookbot() bool {
 	return ua.Name == FacebookExternalHit
 }
+
+// IsUnknown returns true if the package can't determine the user agent reliably.
+// Fields like Name, OS, etc. might still have values.
+func (ua UserAgent) IsUnknown() bool {
+	return !ua.Mobile && !ua.Tablet && !ua.Desktop && !ua.Bot
+}