45 lines
1.9 KiB
Ruby
45 lines
1.9 KiB
Ruby
# Copyright 2019 Signal
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
|
|
# associated documentation files (the "Software"), to deal in the Software without restriction,
|
|
# including without limitation the rights to use, copy, modify, merge, publish, distribute,
|
|
# sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in all copies or
|
|
# substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
|
|
# NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
module Jekyll
|
|
|
|
class HreflangTag < Liquid::Tag
|
|
def initialize(tag_name, text, tokens)
|
|
super
|
|
end
|
|
|
|
def render(context)
|
|
page = context.environments.first["page"]
|
|
site = context.registers[:site]
|
|
|
|
if page["translate"]
|
|
dir = page["src_dir"].nil? ? page["dir"] : page["src_dir"]
|
|
hreflangs = %{<link rel="alternate" hreflang="en" href="#{site.config["production_url"]}#{dir}" /><link rel="alternate" hreflang="x-default" href="#{site.config["production_url"]}#{dir}" />}
|
|
|
|
site.data["languages"].each_key do |language|
|
|
hreflangs << %{<link rel="alternate" hreflang="#{language.tr('_', '-')}" href="#{site.config["production_url"]}/#{language}#{dir}" />}
|
|
end
|
|
end
|
|
|
|
hreflangs
|
|
end
|
|
end
|
|
|
|
end
|
|
|
|
Liquid::Template.register_tag('hreflang', Jekyll::HreflangTag)
|