/// <summary>
/// Determines whether to append a dns-prefetch link tag to the document head for each configured cdn provider
/// </summary>
/// <param name="builder">the builder options</param>
/// <param name="enabled">Sets whether to apply the dns-prefetch tags</param>
/// <returns>the current builder options</returns>
public static ICdnOptionsBuilder ApplyDnsPrefetchTags(this ICdnOptionsBuilder builder, bool enabled = true)
{
if (enabled)
{
builder.Services.AddSingleton <ITagHelperComponent, CdnDnsFetchTagHelperComponent>();
}
return(builder);
}
/// <summary>
/// Optionally specifies a custom implementation of <see cref="CdnUriProvider"/> used to process resource uri's into cdn uri's
/// </summary>
/// <remarks>ONly for advanced custom usage scenarios</remarks>
/// <typeparam name="TCdnUriProvider">A class that generates a cdn uri</typeparam>
/// <param name="builder">the options builder</param>
/// <returns>the current options builder</returns>
public static ICdnOptionsBuilder UsingCdnUriProvider <TCdnUriProvider>(this ICdnOptionsBuilder builder)
where TCdnUriProvider : CdnUriProvider
{
builder.Services.AddSingleton <ICdnUriProvider, TCdnUriProvider>();
return(builder);
}
