Describe the feature

Current Behavior

In StartupEvents.registry('item', event), we can use both displayName and formattedDisplayName methods to set item names:​

event.create('my_item_1')
  .displayName('My Item') // Static string

event.create('my_item_2')
  .formattedDisplayName(Component.translatable('item.minecraft.dirt')) // Dynamic translation

However, in ClientEvents.lang, the renameItem&renameBiome&renameBlock&renameEntity methods only accept a raw string:​

ClientEvents.lang('en_us', event => {
  event.renameItem('kubejs:my_item', 'My Item') // Static string only
})

This limitation prevents us from referencing other translation keys or composing dynamic text at runtime.

Proposed Change

Overload renameItem(item: ItemStack, name: string | TextComponent) or add renameItemFormatted(item: ItemStack, name: TextComponent) so that if an TextComponent is given, it displays the correct formatted string.

Additional info

No response

Unfortunately we can't really do this... Language files only support simple string components¹ and ClientEvents.lang only overrides lang files, so we would have to override the Item's getDescription method as well. The problem is that that is non-trivial because subclasses of Item can override this method themselves, so in short, this can unfortunately never happen. There used to be a mod that enabled full json components for lang files, but I doubt that that is still being worked on :/