public virtual object DefaultValue(ValueHint hint)
{
object toString;
object valueOf;
if (hint == ValueHint.String)
{
toString = Get("toString");
if (toString is IFunction)
return (toString as IFunction).Call(this, null);
valueOf = Get("valueOf");
if (valueOf is IFunction)
return (valueOf as IFunction).Call(this, null);
throw new ShouldThrowTypeError();
}
valueOf = Get("valueOf");
if (valueOf is IFunction)
return (valueOf as IFunction).Call(this, null);
toString = Get("toString");
if (toString is IFunction)
return (toString as IFunction).Call(this, null);
throw new ShouldThrowTypeError();
}
internal static object ToPrimitive(object obj, ValueHint hint = ValueHint.None)
{
if (obj == null
|| obj is Js.Undefined
|| obj is bool
|| obj is double
|| obj is string)
return obj;
if (obj is IObj)
return ((IObj)obj).DefaultValue(hint);
return obj.ToString();
}
