public static EcmaValue Reject([This] EcmaValue thisValue, EcmaValue reason)
{
Guard.ArgumentIsObject(thisValue);
PromiseCapability capability = PromiseCapability.CreateFromConstructor(thisValue.ToObject());
capability.Reject(reason);
return(capability.Promise);
}
public static EcmaValue Resolve([This] EcmaValue thisValue, EcmaValue value)
{
Guard.ArgumentIsObject(thisValue);
if (thisValue.Equals(value[WellKnownProperty.Constructor], EcmaValueComparison.SameValue))
{
return(value);
}
PromiseCapability capability = PromiseCapability.CreateFromConstructor(thisValue.ToObject());
capability.Resolve(value);
return(capability.Promise);
}
public static EcmaValue Race([This] EcmaValue thisValue, EcmaValue iterable)
{
Guard.ArgumentIsObject(thisValue);
PromiseCapability capability = PromiseCapability.CreateFromConstructor(thisValue.ToObject());
try {
using (EcmaIteratorEnumerator iterator = iterable.ForOf()) {
EcmaValue resolve = thisValue[WellKnownProperty.Resolve];
while (MoveNextSafe(iterator))
{
EcmaValue thenable = resolve.Call(thisValue, iterator.Current);
thenable.Invoke(WellKnownProperty.Then, capability.ResolveCallback, capability.RejectCallback);
}
}
} catch (Exception ex) {
capability.Reject(EcmaValueUtility.GetValueFromException(ex));
}
return(capability.Promise);
}
public static EcmaValue Then([This] EcmaValue thisValue, EcmaValue onfulfill, EcmaValue onreject)
{
Promise promise = thisValue.GetUnderlyingObject <Promise>();
RuntimeObject constructor = RuntimeObject.GetSpeciesConstructor(promise, WellKnownObject.PromiseConstructor);
PromiseCallback c1 = null;
PromiseCallback c2 = null;
if (onfulfill.IsCallable)
{
c1 = v => onfulfill.Call(EcmaValue.Undefined, v);
}
if (onreject.IsCallable)
{
c2 = v => onreject.Call(EcmaValue.Undefined, v);
}
PromiseCapability capability = PromiseCapability.CreateFromConstructor(constructor);
capability.HandlePromise(promise, c1, c2);
return(capability.Promise);
}
public static EcmaValue All([This] EcmaValue thisValue, EcmaValue iterable)
{
Guard.ArgumentIsObject(thisValue);
PromiseCapability capability = PromiseCapability.CreateFromConstructor(thisValue.ToObject());
PromiseAggregator aggregator = new AllFulfilledAggregator(capability);
try {
using (EcmaIteratorEnumerator iterator = iterable.ForOf()) {
EcmaValue resolve = thisValue[WellKnownProperty.Resolve];
while (MoveNextSafe(iterator))
{
EcmaValue thenable = resolve.Call(thisValue, iterator.Current);
thenable.Invoke(WellKnownProperty.Then, (PromiseResolver)aggregator.CreateHandler().ResolveHandler, capability.RejectCallback);
}
}
aggregator.ResolveIfConditionMet();
} catch (Exception ex) {
capability.Reject(EcmaValueUtility.GetValueFromException(ex));
}
return(capability.Promise);
}