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Aaron Smith 2023-09-28 16:39:25 +01:00
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docs/tut/crash-course/8-property-binding.md
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@ -20,6 +20,7 @@ local function Counter()
count(count() + 1)
end
}
end
```
This example is equivalent to the example seen on the previous page.
@ -32,15 +33,16 @@ Just like effects, the function is ran immediately in a reactive scope to set
the property initially and determine what sources are being depended on.
This allows you as the programmer to not need to manually update UI as the state
of your program changes. You just define how the data maps to UI, and Vide's
reactive system will automatically update any properties depending on sources
that are updated.
of your program changes. You just define how the data sources map to UI, and
Vide's reactive system will automatically update any properties depending on
those sources that were updated.
## Children Binding
Children can also be set in a similar manner. Sources bound to properties can
return an instance or an array of instances. Vide will automatically unparent
removed instances and parent new instances.
Children can also be set in a similar manner. A source passed as a child (passed
with a number key instead of string key) can return an instance or an array of
instances. Vide will automatically unparent removed instances and parent new
instances when that source's stored instances change.
```lua
local items = source {