/// <summary>
/// Projects the [[iterator]] protocol on IEnumerable objects.
/// </summary>
/// <param name="context"></param>
/// <param name="targetObject"></param>
/// <param name="reflector"></param>
private void ProjectIEnumerable(BaristaContext context, JsObject targetObject, ObjectReflector reflector)
{
if (typeof(IEnumerable).IsAssignableFrom(reflector.Type))
{
var fnIterator = context.CreateFunction(new Func <JsObject, JsValue>((thisObj) => {
IEnumerable targetObj = null;
if (thisObj == null)
{
context.CurrentScope.SetException(context.CreateTypeError($"Could not retrieve iterator on object {targetObject.ToString()}: Invalid 'this' context."));
return(context.Undefined);
}
if (thisObj.TryGetBean(out JsExternalObject xoObj))
{
targetObj = xoObj.Target as IEnumerable;
}
return(context.CreateIterator(targetObj.GetEnumerator()));
}));
var iteratorDescriptor = context.CreateObject();
iteratorDescriptor.SetProperty("value", fnIterator);
targetObject.SetProperty(context.Symbol.Iterator, iteratorDescriptor);
}
}
