off method

@override Future<void> off(String event)

Implementation

@override
Future<void> off(String event) async {
  final callbackName = "callback_${event.replaceAll(".", "_")}";
  controller?.removeJavaScriptHandler(handlerName: callbackName);
  await evaluateJs(
    "window.WPP.removeAllListeners('$event');",
    tryPromise: false,
  );
}