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51type portalItem = {
key: int,
children: React.element,
}
type portals = {
mount: (int, React.element) => unit,
update: (int, React.element) => unit,
unmount: int => unit,
}
@react.component
let make = React.forwardRef((ref: Js.Nullable.t<React.ref<Nullable.t<portals>>>) => {
let (portals, setPortals) = React.useState(_ => [])
let mount = React.useCallback0((key, children) => {
setPortals(prevPortals => [...prevPortals, {key, children}])
})
let update = React.useCallback0((key, children) => {
setPortals(
prevPortals => prevPortals->Array.map(item => item.key === key ? {...item, children} : item),
)
})
let unmount = React.useCallback0(key => {
setPortals(prevPortals => prevPortals->Array.filter(item => item.key !== key))
})
React.useImperativeHandle0(ref, () => Value({
mount,
update,
unmount,
}))
{
portals
->Array.map(({key, children}) =>
<ReactNative.View
key={key->Int.toString}
collapsable=false
pointerEvents=#"box-none"
style=ReactNative.StyleSheet.absoluteFill
>
{children}
</ReactNative.View>
)
->React.array
}
})