export function decreaseItemStack(item, inventory) {
  for(let i = 0;i < inventory.size;i++) {
    const stack = inventory.getItem(i);
    if(!stack) continue;
    
    if(stack.typeId === heldItem.typeId) {
      if(stack.amount > 1) {
        stack.amount -= 1;
        inventory.setItem(i, stack)
      } else if(stack.amount <= 1) {
        inventory.setItem(i, undefined)
      };
      break
    }
  }
}