oliverbooth.dev/OliverBooth/Markdown/Timestamp/TimestampRenderer.cs

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C#
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using System.ComponentModel;
using Humanizer;
using Markdig.Renderers;
using Markdig.Renderers.Html;
namespace OliverBooth.Markdown.Timestamp;
/// <summary>
/// Represents a Markdown object renderer that renders <see cref="TimestampInline" /> elements.
/// </summary>
public sealed class TimestampRenderer : HtmlObjectRenderer<TimestampInline>
{
/// <inheritdoc />
protected override void Write(HtmlRenderer renderer, TimestampInline obj)
{
DateTimeOffset timestamp = obj.Timestamp;
TimestampFormat format = obj.Format;
renderer.Write("<span class=\"timestamp\" data-timestamp=\"");
renderer.Write(timestamp.ToUnixTimeSeconds().ToString());
renderer.Write("\" data-format=\"");
renderer.Write(((char)format).ToString());
renderer.Write("\" title=\"");
renderer.WriteEscape(timestamp.ToString("dddd, d MMMM yyyy HH:mm"));
renderer.Write("\">");
switch (format)
{
case TimestampFormat.LongDate:
renderer.Write(timestamp.ToString("d MMMM yyyy"));
break;
case TimestampFormat.LongDateShortTime:
renderer.Write(timestamp.ToString(@"d MMMM yyyy \a\t HH:mm"));
break;
case TimestampFormat.LongDateTime:
renderer.Write(timestamp.ToString(@"dddd, d MMMM yyyy \a\t HH:mm"));
break;
case TimestampFormat.Relative:
renderer.Write(timestamp.Humanize());
break;
case var _ when !Enum.IsDefined(format):
throw new InvalidEnumArgumentException(nameof(format), (int)format, typeof(TimestampFormat));
default:
renderer.Write(timestamp.ToString(((char)format).ToString()));
break;
}
renderer.Write("</span>");
}
}