убираем задваивание событий

[VladimirIvanin]

чиним задвоение событий

как то иначе вашаются и отрабатывают обработчики

vue2

vue3

vue2

        handler = original_1._wrapper = function (e) {
            if (
            // no bubbling, should always fire.
            // this is just a safety net in case event.timeStamp is unreliable in
            // certain weird environments...
            e.target === e.currentTarget ||
                // event is fired after handler attachment
                e.timeStamp >= attachedTimestamp_1 ||
                // bail for environments that have buggy event.timeStamp implementations
                // #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState
                // #9681 QtWebEngine event.timeStamp is negative value
                e.timeStamp <= 0 ||
                // #9448 bail if event is fired in another document in a multi-page
                // electron/nw.js app, since event.timeStamp will be using a different
                // starting reference
                e.target.ownerDocument !== document) {
                return original_1.apply(this, arguments);
            }
        };

veu3

function createInvoker(initialValue, instance) {
  const invoker = (e) => {
    if (!e._vts) {
      e._vts = Date.now();
    } else if (e._vts <= invoker.attached) {
      return;
    }
    callWithAsyncErrorHandling(
      patchStopImmediatePropagation(e, invoker.value),
      instance,
      5,
      [e]
    );
  };
  invoker.value = initialValue;
  invoker.attached = getNow();
  return invoker;
}