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# frozen_string_literal: true
module Jekyll
class SeoTag
class JSONLDDrop < Jekyll::Drops::Drop
extend Forwardable
def_delegator :page_drop, :name, :name
def_delegator :page_drop, :description, :description
def_delegator :page_drop, :canonical_url, :url
def_delegator :page_drop, :page_title, :headline
def_delegator :page_drop, :date_modified, :dateModified
def_delegator :page_drop, :date_published, :datePublished
def_delegator :page_drop, :links, :sameAs
def_delegator :page_drop, :logo, :logo
def_delegator :page_drop, :type, :type
# Expose #type and #logo as private methods and #@type as a public method
alias_method :@type, :type
private :type, :logo
VALID_ENTITY_TYPES = %w(BlogPosting CreativeWork).freeze
VALID_AUTHOR_TYPES = %w(Organization Person).freeze
private_constant :VALID_ENTITY_TYPES, :VALID_AUTHOR_TYPES
# page_drop should be an instance of Jekyll::SeoTag::Drop
def initialize(page_drop)
@mutations = {}
@page_drop = page_drop
end
def fallback_data
@fallback_data ||= {
"@context" => "https://schema.org",
}
end
def author
return unless page_drop.author["name"]
author_type = page_drop.author["type"]
return if author_type && !VALID_AUTHOR_TYPES.include?(author_type)
hash = {
"@type" => author_type || "Person",
"name" => page_drop.author["name"],
}
author_url = page_drop.author["url"]
hash["url"] = author_url if author_url
hash
end
def image
return unless page_drop.image
return page_drop.image.path if page_drop.image.keys.length == 1
hash = page_drop.image.to_h
hash["url"] = hash.delete("path")
hash["@type"] = "imageObject"
hash
end
def publisher
return unless logo
output = {
"@type" => "Organization",
"logo" => {
"@type" => "ImageObject",
"url" => logo,
},
}
output["name"] = page_drop.author.name if page_drop.author.name
output
end
def main_entity
return unless VALID_ENTITY_TYPES.include?(type)
{
"@type" => "WebPage",
"@id" => page_drop.canonical_url,
}
end
alias_method :mainEntityOfPage, :main_entity
private :main_entity
# Returns a JSON-encoded object containing the JSON-LD data.
# Keys are sorted.
def to_json(state = nil)
keys.sort.each_with_object({}) do |(key, _), result|
v = self[key]
result[key] = v unless v.nil?
end.to_json(state)
end
private
attr_reader :page_drop
end
end
end
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