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Contents
module GovukTechDocs
class MetaTags
def initialize(config, current_page)
@config = config
@current_page = current_page
end
def tags
all_tags = {
"description" => page_description,
"google-site-verification" => google_site_verification,
"robots" => robots,
"twitter:card" => "summary",
"twitter:domain" => URI.parse(host).host,
"twitter:image" => page_image,
"twitter:title" => browser_title,
"twitter:url" => canonical_url,
}
Hash[all_tags.select { |_k, v| v }]
end
# OpenGraph uses the non-standard property attribute instead of name, so we
# return these separately so we can output them correctly.
def opengraph_tags
all_opengraph_tags = {
"og:description" => page_description,
"og:image" => page_image,
"og:site_name" => site_name,
"og:title" => page_title,
"og:type" => "object",
"og:url" => canonical_url,
}
Hash[all_opengraph_tags.select { |_k, v| v }]
end
def browser_title
[page_title, site_name].select(&:present?).uniq.join(" - ")
end
def canonical_url
"#{host}#{current_page.url}"
end
private
attr_reader :config, :current_page
def page_image
"#{host}/images/govuk-large.png"
end
def site_name
config[:tech_docs][:full_service_name] || config[:tech_docs][:service_name]
end
def page_description
locals[:description] || frontmatter[:description]
end
def page_title
locals[:title] || frontmatter[:title]
end
def robots
"noindex" if config[:tech_docs][:prevent_indexing] || frontmatter[:prevent_indexing]
end
def google_site_verification
config[:tech_docs][:google_site_verification]
end
def host
config[:tech_docs][:host].to_s
end
def locals
current_page.metadata[:locals]
end
def frontmatter
current_page.data
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems