mirror of
https://github.com/home-assistant/home-assistant.io.git
synced 2025-06-18 16:16:54 +00:00
23d593c0f4
* ✨ Adds rel nofollow to external links Fixes #4583 Signed-off-by: Franck Nijhof <frenck@geekchimp.com> * 🎀 Adds support for appending nofollow to existing external links
34 lines
1012 B
Ruby
34 lines
1012 B
Ruby
# Jekyll Auto Nofollow Plugin
|
|
# Automatically adds rel='external nofollow' to outgoing links.
|
|
|
|
require 'jekyll'
|
|
require 'nokogiri'
|
|
|
|
module Jekyll
|
|
module NoFollow
|
|
def nofollow(content)
|
|
dom = Nokogiri::HTML.fragment(content)
|
|
|
|
# Find all links
|
|
dom.css('a').each do |link|
|
|
rel = ['external', 'nofollow']
|
|
|
|
# All external links start with 'http', skip when this one does not
|
|
next unless link.get_attribute('href') =~ /\Ahttp/i
|
|
|
|
# Play nice with our own links
|
|
next if link.get_attribute('href') =~ /\Ahttps?:\/\/\w*.?home-assistant.io/i
|
|
|
|
# Play nice with links that already have a rel attribute set
|
|
rel.unshift(link.get_attribute('rel'))
|
|
|
|
# Add rel attribute to link
|
|
link.set_attribute('rel', rel.join(' ').strip)
|
|
end
|
|
dom.to_s
|
|
end
|
|
end
|
|
end
|
|
|
|
Liquid::Template.register_filter(Jekyll::NoFollow)
|