Class: Jekyll::WebmentionIO::WebmentionHeadTag

Inherits:
Liquid::Tag
  • Object
show all
Defined in:
lib/jekyll/tags/webmentions_head.rb

Instance Method Summary collapse

Instance Method Details

#render(context) ⇒ Object 



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# File 'lib/jekyll/tags/webmentions_head.rb', line 13

def render(context)
  head = +"" # unfrozen String
  head << '<link rel="dns-prefetch" href="https://webmention.io">'
  head << '<link rel="preconnect" href="https://webmention.io">'
  head << '<link rel="preconnect" href="ws://webmention.io:8080">'

  page = context["page"]
  site = context.registers[:site]
  site_url = site.config["url"].to_s
  if page["redirect_from"]
    if page["redirect_from"].is_a? String
      redirect = site_url + page["redirect_from"]
    elsif page["redirect_from"].is_a? Array
      redirect = site_url + page["redirect_from"].join(",#{site_url}")
    end
    head << "<meta property=\"webmention:redirected_from\" content=\"#{redirect}\">"
  end

  username = site.config.dig("webmentions", "username")
  if username
    head << "<link rel=\"pingback\" href=\"https://webmention.io/#{username}/xmlrpc\">"
    head << "<link rel=\"webmention\" href=\"https://webmention.io/#{username}/webmention\">"
  end

  head
end