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Versions: 10
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Stored size: 1.66 KB
Contents
require 'nokogiri'
require 'uri'
# Given hostname and content, updates <a> elements as follows:
#
# - Adds `rel` attribute
# - Appends inner markup for FontAwesome external link icon
#
# Only processes external links where `href` starts with "http"
# and target host does not include given site hostname.
def process_content(site_hostname, content, exclude_selectors=[])
content = Nokogiri::HTML(content)
content.css('body.site--project main a, body.site--hub.layout--post main a').each do |a|
next unless a.get_attribute('href') =~ /\Ahttp/i
next if a.get_attribute('href').include? site_hostname
next if matches_one_of(a, exclude_selectors)
a.set_attribute('rel', 'external')
a.inner_html = "#{a.inner_html}<span class='ico-ext'><i class='fas fa-external-link-square-alt'></i></span>"
end
return content.to_s
end
# Returns true if Nokogiri’s Node matches one of selectors,
# otherwise return false
def matches_one_of(node, selectors)
for selector in selectors
if node.matches? selector
return true
end
end
return false
end
Jekyll::Hooks.register :documents, :post_render do |doc|
site_hostname = URI(doc.site.config['url']).host
unmarked_link_selectors = doc.site.config['unmarked_external_link_selectors']
unless doc.asset_file?
doc.output = process_content(site_hostname, doc.output, unmarked_link_selectors)
end
end
Jekyll::Hooks.register :pages, :post_render do |page|
site_hostname = URI(page.site.config['url']).host
unmarked_link_selectors = page.site.config['unmarked_external_link_selectors']
unless page.asset_file?
page.output = process_content(site_hostname, page.output, unmarked_link_selectors)
end
end
Version data entries
10 entries across 10 versions & 1 rubygems