private static Object AsComplex(this JsValue value, Type targetType, EngineInstance engine)
{
var obj = value.FromJsValue();
var sourceType = obj.GetType();
if (sourceType == targetType || sourceType.GetTypeInfo().IsSubclassOf(targetType) || targetType.GetTypeInfo().IsAssignableFrom(sourceType.GetTypeInfo()))
{
return(obj);
}
else if (targetType.GetTypeInfo().IsSubclassOf(typeof(Delegate)))
{
var f = obj as FunctionInstance;
if (f == null && obj is String b)
{
var e = engine.Jint;
var p = new[] { new JsValue(b) };
f = new ClrFunctionInstance(e, (_this, args) => e.Eval.Call(_this, p));
}
if (f != null)
{
return(targetType.ToDelegate(f, engine));
}
}
var method = sourceType.PrepareConvert(targetType) ??
throw new JavaScriptException("[Internal] Could not find corresponding cast target.");
return(method.Invoke(obj, null));
}