if ((typeof halfmoon === 'object' || typeof halfmoon === 'function') && (halfmoon !== null)) {
  halfmoon.showModal = id => {
    const t = document.getElementById(id)
    t && t.classList.add('show')
  }
  halfmoon.hideModal = id => {
    const t = document.getElementById(id)
    t && t.classList.remove('show')
  }
}