Width filling component

FillSpace.cs

public class FillSpace : IDynamicComponent<int>
{
    private readonly Func<TextSpanDescriptor, TextSpanDescriptor> _styler;
    private readonly char _delimiter;

    public FillSpace(Func<TextSpanDescriptor, TextSpanDescriptor> styler, char delimiter = '.')
    {
        _styler = styler;
        _delimiter = delimiter;
    }
    
    public DynamicComponentComposeResult Compose(DynamicContext context)
    {
        var periodSize = context.CreateElement(x => _styler(x.Text($"{_delimiter}"))).Size;
        var twoPeriodSize = context.CreateElement(x => _styler(x.Text($"{_delimiter}{_delimiter}"))).Size;

        var spacingWidth = twoPeriodSize.Width - 2 * periodSize.Width;
        var periodWidth = periodSize.Width;

        var periodsToRender =(int) Math.Floor((context.AvailableSize.Width - periodWidth) / (spacingWidth + periodWidth));

        var periodString = new string(_delimiter, periodsToRender);

        return new DynamicComponentComposeResult
        {
            Content = context.CreateElement(x => _styler(x.AlignCenter().AlignBottom().Text(periodString))),
            HasMoreContent = false
        };
    }

    public int State { get; set; }
}

FillSpaceSample.cs

public static void ScheduleRow(this IContainer container, string times, string activity)
{
    container.Row(row =>
    {
        row.AutoItem().Text(times);
        row.RelativeItem().Dynamic(new FillSpace(x => x.LetterSpacing(.25f)));
        row.AutoItem().AlignLeft().Text(activity);
    });
}