Disabling date selection on react full calendar

I need to disable date selection on my calendar i have used the selectAllow prop of the reactfull calendar to achieve this. this is my code

     const handleSelectAllow = (selectInfo) => {
        const currentDate = new Date();
        const selectedDate = selectInfo.start;
        const threeMonthsAgo = new Date();
        threeMonthsAgo.setMonth(currentDate.getMonth() - 3);
        const threeMonthsFromNow = new Date();
        threeMonthsFromNow.setMonth(currentDate.getMonth() + 3);
    
        if (
          selectedDate >= threeMonthsAgo &&
          selectedDate <= threeMonthsFromNow
        ) {
          return true;
        } else {
          alert('Date selection is not allowed. Please select a date within the range of three months ago and three months from now.');
          return false;
        }
      
        // return (
        //   selectedDate >= threeMonthsAgo && selectedDate <= threeMonthsFromNow
        // );
      };

   

   

  <FullCalendar
          plugins={[dayGridPlugin, timeGridPlugin, interactionPlugin]}
          // headerToolbar={{
          //   left: 'prev,next today',
          //   center: 'title',
          //   right: 'dayGridMonth,timeGridWeek,timeGridDay',
          // }}
          selectAllow={handleSelectAllow}
          selectLongPressDelay={null}
          initialView="dayGridMonth"
          editable={false}
          selectable={true}
          showNonCurrentDates={false}
          // eventClick={handleSelectAllow}
          // eventMouseEnter={handleEventMouseEnter}
          selectMirror={true}
          events={allEvents}
          select={handleDateClick}
          eventContent={renderEventContent}
          eventDidMount={eventDidMount}
          eventWillUnmount={eventWillUnmount}
          // eventRender={eventRender}
        />

the function is working properly but the issue is after the 1st click if i hover through the calendar the alert is continously showing. i need to only show the alert on clicking. Any fixes?, I have used react fullcalendar.