fix: guard against nil events

closes #958
rime · Sep 12, 2024 · 5c98d78 · 5c98d78
1 parent 67e87fb
commit 5c98d78
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/sources/SquirrelInputController.swift b/sources/SquirrelInputController.swift
@@ -31,6 +31,7 @@ final class SquirrelInputController: IMKInputController {
 
   // swiftlint:disable:next cyclomatic_complexity
   override func handle(_ event: NSEvent!, client sender: Any!) -> Bool {
+    guard let event = event else { return false }
     let modifiers = event.modifierFlags
     let changes = lastModifiers.symmetricDifference(modifiers)