public static EcmaValue GetOwnPropertyDescriptor(EcmaValue target, EcmaValue property)
{
EcmaPropertyDescriptor descriptor = target.ToObject().GetOwnProperty(EcmaPropertyKey.FromValue(property));
if (descriptor == null)
{
return(default);
public static EcmaValue DefineProperty(EcmaValue target, EcmaValue property, EcmaValue attributes)
{
Guard.ArgumentIsObject(target);
RuntimeObject obj = target.ToObject();
obj.DefinePropertyOrThrow(EcmaPropertyKey.FromValue(property), EcmaPropertyDescriptor.FromValue(attributes));
return(target);
}
public EcmaObject(Hashtable properties)
: this()
{
foreach (DictionaryEntry entry in properties)
{
this.CreateDataProperty(EcmaPropertyKey.FromValue(new EcmaValue(entry.Key)), new EcmaValue(entry.Value));
}
}
public static bool In(this EcmaValue thisValue, EcmaValue other)
{
if (other.Type != EcmaValueType.Object)
{
throw new EcmaTypeErrorException(InternalString.Error.NotObject);
}
return(other.HasProperty(EcmaPropertyKey.FromValue(thisValue)));
}
public static EcmaValue FromEntries(EcmaValue iterator)
{
EcmaObject obj = new EcmaObject();
foreach (EcmaValue entry in iterator.ForOf())
{
if (entry.Type != EcmaValueType.Object)
{
throw new EcmaTypeErrorException(InternalString.Error.EntryNotObject);
}
EcmaValue key = entry[0];
EcmaValue value = entry[1];
obj.CreateDataProperty(EcmaPropertyKey.FromValue(key), value);
}
return(obj);
}