internal static IDynamic GetOwnPropertyNames(IEnvironment environment, IArgs args)
{
if (args[0].TypeCode != LanguageTypeCode.Object)
{
throw environment.CreateTypeError("");
}
var obj = args[0].ConvertToObject();
var array = environment.CreateArray();
var index = 0;
foreach (var name in obj)
{
var value = environment.CreateString(name);
var desc = environment.CreateDataDescriptor(value, true, true, true);
array.DefineOwnProperty((index++).ToString(), desc, false);
}
return(array);
}
internal static IDynamic Keys(IEnvironment environment, IArgs args)
{
if (args[0].TypeCode != LanguageTypeCode.Object)
{
throw environment.CreateTypeError("");
}
var obj = args[0].ConvertToObject();
var array = environment.CreateArray();
var index = 0;
foreach (var name in obj)
{
var desc = obj.GetOwnProperty(name);
if (desc.Enumerable ?? false)
{
desc = environment.CreateDataDescriptor(environment.CreateString(name), true, true, true);
array.DefineOwnProperty((index++).ToString(), desc, false);
}
}
return array;
}
public IJsValue Evaluate(IEnvironment environment)
{
return environment.CreateArray(Members.Select(m => m.Evaluate(environment)));
}