public static void TryPrepend <TRenderer>(this ObjectRendererCollection list)
where TRenderer : class, IMarkdownObjectRenderer, new()
{
if (!list.Contains <TRenderer>())
{
list.Insert(0, new TRenderer());
}
}
/// <summary>
/// Replaces a default object renderer.
/// </summary>
/// <typeparam name="TOriginal">Type of the object renderer to replace</typeparam>
/// <param name="renderers">Object renderer collection</param>
/// <param name="replacement">Replacement object renderer</param>
/// <returns>The object renderer collection</returns>
public static ObjectRendererCollection Replace <TOriginal>(
this ObjectRendererCollection renderers,
IMarkdownObjectRenderer replacement
) where TOriginal : IMarkdownObjectRenderer
{
var index = renderers.FindIndex(renderer => renderer.GetType() == typeof(TOriginal));
if (index == -1)
{
throw new InvalidOperationException($"Could not find original object renderer for {typeof(TOriginal)}");
}
renderers.RemoveAt(index);
renderers.Insert(index, replacement);
return(renderers);
}
