text: /*
   * This script will automatically set if a totem is in the inventory or the off-hand.
   * It checks for a totem every tick.
   */
  const mineflayer = require('mineflayer')
  
  if (process.argv.length < 4 || process.argv.length > 6) {
    console.log('Usage : node auto_totem.js <host> <port> [<name>] [<password>]')
    process.exit(1)
  }
  
  const bot = mineflayer.createBot({
    host: process.argv[2],
    port: parseInt(process.argv[3]),
    username: process.argv[4] ? process.argv[4] : 'totem',
    password: process.argv[5]
  })
  
  bot.on('spawn', () => {
    const mcData = require('minecraft-data')(bot.version) // You will know the version when the bot has spawned
    const totemId = mcData.itemsByName.totem_of_undying.id // Get the correct id
    if (mcData.itemsByName.totem_of_undying) {
      setInterval(() => {
        var totem = bot.inventory.findInventoryItem(totemId, null)
        if (totem) {
          bot.equip(totem, 'off-hand')
        }
      }, 50)
    }
  })
  