call method

Implementation

@override
Object? call(Interpreter interpreter, List<Object?> arguments,
    Map<Symbol, Object?> namedArguments) {
  if (arguments.isEmpty) {
    throw "parameter name is required";
  }
  var onMessageReceived = namedArguments[const Symbol('onMessageReceived')];
  if (onMessageReceived == null) {
    throw "parameter onMessageReceived is required";
  }
  return controller.addJavaScriptChannel(arguments.first as String,
      onMessageReceived: (JavaScriptMessage message) {
    var msgIns = JavascriptMessageIns(message.message);
    (onMessageReceived as LoxFunction).call(interpreter, [msgIns], {});
  });
}