/// <summary>
/// Gets a html style tag for the specified asset.
/// </summary>
/// <param name="bundle">The name of the Webpack bundle.</param>
/// <param name="fallbackBundle">The name of the bundle to fallback to if main bundle does not exist.</param>
/// <returns>An HtmlString containing the html style tag.</returns>
public async Task <HtmlString> GetStyleTagAsync(string bundle, string?fallbackBundle = null)
{
if (string.IsNullOrEmpty(bundle))
{
return(HtmlString.Empty);
}
bundle = TryFixCssBundleName(bundle);
var file = await _manifestService.GetFromManifestAsync(bundle).ConfigureAwait(false);
if (file == null)
{
if (string.IsNullOrEmpty(fallbackBundle))
{
return(HtmlString.Empty);
}
fallbackBundle = TryFixCssBundleName(fallbackBundle);
file = await _manifestService.GetFromManifestAsync(fallbackBundle).ConfigureAwait(false);
}
return(file != null
? new HtmlString(await _tagBuilder.BuildStyleTagAsync(file).ConfigureAwait(false))
: HtmlString.Empty);
}