public static Promise All(IEnumerable <Promise> promises)
{
Guard.ArgumentNotNull(promises, "promises");
List <Promise> list = new List <Promise>(promises);
if (list.Count == 0)
{
return(new Promise(PromiseState.Fulfilled, new EcmaArray()));
}
Promise promise = new Promise();
int count = 0;
foreach (Promise p in list)
{
p.ContinueWith(other => {
if (other.State == PromiseState.Rejected)
{
promise.RejectSelf(other.Value);
}
else if (++count == list.Count)
{
promise.ResolveSelf(new EcmaArray(list.Select(v => v.Value).ToList()));
}
});
}
return(promise);
}
public static Promise Resolve(EcmaValue value)
{
if (value.GetUnderlyingObject() is Promise p && p[WellKnownProperty.Constructor].ToObject().IsWellknownObject(WellKnownObject.PromiseConstructor))
{
return(p);
}
Promise promise = new Promise();
promise.ResolveSelf(value);
return(promise);
}