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13
docs/tut/crash-course/12-actions.md
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@ -1,13 +1,15 @@
# Actions
Actions in Vide are special callbacks that you can pass along with properties,
Actions are special callbacks that you can pass along with properties,
to run some code on an instance receiving them.
```luau
local action = vide.action
```
<<<<<<< HEAD
```luau
=======
>>>>>>> 58a31a1b329e922dc86c554e8220012ab7238f1b
create "TextLabel" {
Text = "test",
@ -24,12 +26,13 @@ action used to listen for property changes:
```luau
local action = vide.action
local source = vide.source
local effect = vide.effect
local cleanup = vide.cleanup
local function changed(prop: string, callback: (new) -> ())
local function changed(property: string, callback: (new) -> ())
return action(function(instance)
local connection = instance:GetPropertyChangedSignal(prop):Connect(function()
local connection = instance:GetPropertyChangedSignal(property):Connect(function()
callback(instance[property])
end)
@ -49,7 +52,7 @@ effect(function()
print(output())
end)
instance.Text = "foo" -- "foo" will be printed from the effect
instance.Text = "foo" -- "foo" will be printed by the effect
```
The source `output` will be updated with the new property value any time it is