SwitchAndIf.js

 // using a switch

    const changeComponent = computed(() => {
      switch (user.value) {
        case 'admin':
          return AdminItem
        case 'distiguished':
          return DistinguishedItem
        default:
          return GuestUser
      }
    })

    // Using if else 

    const changeComponent = computed(() => {
      if(user.value === 'admin') {
        return AdminItem
      } else if(user.value === 'distiguished'){
        return DistinguishedItem;
      } else {
        return GuestUser
      }
    })