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package.scala
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package.scala
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package colibri.ext
import com.raquo.airstream.core.{Observable, Observer, EventStream}
import com.raquo.airstream.ownership.Subscription
import com.raquo.airstream.ownership.internalcolibri.NoopOwner
package object airstream {
// Sink
implicit object airstreamObserverSink extends colibri.Sink[Observer] {
def unsafeOnNext[A](sink: Observer[A])(value: A): Unit = sink.onNext(value)
def unsafeOnError[A](sink: Observer[A])(error: Throwable): Unit = sink.onError(error)
}
implicit object liftSink extends colibri.LiftSink[Observer] {
@inline def lift[G[_]: colibri.Sink, A](sink: G[A]): Observer[A] = Observer.withRecover(
colibri.Sink[G].unsafeOnNext(sink),
{ case t => colibri.Sink[G].unsafeOnError(sink)(t) },
)
}
// Source
implicit object airstreamObservableSource extends colibri.Source[Observable] {
def unsafeSubscribe[A](stream: Observable[A])(sink: colibri.Observer[A]): colibri.Cancelable = {
val sub = stream.addObserver(Observer.withRecover(sink.unsafeOnNext, { case t => sink.unsafeOnError(t) }))(NoopOwner)
colibri.Cancelable(sub.kill)
}
}
implicit object liftSource extends colibri.LiftSource[Observable] {
def lift[H[_]: colibri.Source, A](source: H[A]): Observable[A] = {
var cancelable = colibri.Cancelable.empty
EventStream.fromCustomSource[A](
start = (fireValue, fireError, _, _) =>
cancelable = colibri.Source[H].unsafeSubscribe(source)(colibri.Observer.create(fireValue, fireError)),
stop = _ => cancelable.unsafeCancel(),
)
}
}
// Cancelable
implicit object airstreamSubscriptionCanCancel extends colibri.CanCancel[Subscription] {
def unsafeCancel(subscription: Subscription) = subscription.kill()
}
}