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25 lines
385 B
Markdown
25 lines
385 B
Markdown
# Reactivity API: Utility
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## cleanup()
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Runs a callback anytime a reactive scope is re-ran.
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- **Type**
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```lua
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function cleanup(callback: () -> ())
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```
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- **Example**
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```lua
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local data = source(1)
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watch(function()
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local label = create "TextLabel" { Text = data }
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cleanup(function()
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label:Destroy()
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end)
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end)
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```
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