vide/docs/api/reactivity-utility.md

Reactivity API: Utility

cleanup()

Runs a callback anytime a reactive scope is re-ran.

• Type

  function cleanup(callback: () -> ())
  

• Example

  local data = source(1)
  
  watch(function()
      local label = create "TextLabel" { Text = data }
  
      cleanup(function()
          label:Destroy()
      end)
  end)