public override void Process(
TagHelperContext context,
TagHelperOutput output)
{
var value = TagValueUtility.GetContent(
Value,
SeoHelper.LinkCanonical);
var linkCanonical =
AbsoluteUrlUtility.Resolve(
_urlHelper,
value,
SeoHelper.SiteUrl);
if (string.IsNullOrWhiteSpace(linkCanonical))
{
output.SuppressOutput();
return;
}
output.TagName = "link";
output.TagMode = TagMode.SelfClosing;
output.Attributes.Clear();
output.Attributes.SetAttribute("rel", "canonical");
output.Attributes.SetAttribute("href", linkCanonical);
}
public override void Process(
TagHelperContext context,
TagHelperOutput output)
{
var content = TagValueUtility.GetContent(
Value,
SeoHelper.OgImage);
output.ProcessOpenGraph(OgMetaName.Image, content);
}
public override void Process(
TagHelperContext context,
TagHelperOutput output)
{
var content = TagValueUtility.GetContent(
Value,
SeoHelper.MetaKeywords);
output.ProcessMeta(MetaName.Keywords, content);
}
public override void Process(
TagHelperContext context,
TagHelperOutput output)
{
var content = TagValueUtility.GetContent(
Value,
SeoHelper.MetaDescription);
output.ProcessMeta(MetaName.Description, content);
}
public override void Process(
TagHelperContext context,
TagHelperOutput output)
{
if (Follow != null || Index != null)
{
SeoHelper.SetMetaRobots(Index ?? true, Follow ?? true);
}
var content = TagValueUtility.GetContent(
Value,
SeoHelper.MetaRobots);
output.ProcessMeta(MetaName.Robots, content);
}
public override void Process(
TagHelperContext context,
TagHelperOutput output)
{
var value = TagValueUtility.GetContent(
Value,
SeoHelper.OgUrl,
SeoHelper.LinkCanonical);
var linkCanonical =
AbsoluteUrlUtility.Resolve(
_urlHelper,
value,
SeoHelper.SiteUrl);
output.ProcessOpenGraph(OgMetaName.Url, linkCanonical);
}