// 시간 조건
// 각 페이지에서 const isAfterLaunch = useTimeSwitch('2026-04-15T08:00:00+09:00'); 선언 후 사용

export function useTimeSwitch(targetTime) {
  const target = new Date(targetTime);
  const now = ref(new Date());

  let timer;
  onMounted(() => {
    if (now.value >= target) return;
    timer = setInterval(() => {
      now.value = new Date();
      if (now.value >= target) clearInterval(timer);
    }, 1000);
  });
  onBeforeUnmount(() => clearInterval(timer));

  return computed(() => now.value >= target);
}