23 lines
481 B
Ruby
23 lines
481 B
Ruby
|
require "liquid"
|
||
|
|
require "jekyll"
|
||
|
|
require "nokogiri"
|
||
|
|
|
||
|
|
module Jekyll
|
||
|
|
module LynnesbianDotSpaceFilters
|
||
|
|
def summarise(excerpt)
|
||
|
|
doc = Nokogiri::HTML.fragment(excerpt) do |config|
|
||
|
|
config.noblanks
|
||
|
|
end
|
||
|
|
|
||
|
|
first_paragraph = doc.xpath(".//p")[0]
|
||
|
|
if first_paragraph.is_a?(NilClass) then
|
||
|
|
return "Couldn't generate a summary for this post."
|
||
|
|
else
|
||
|
|
return first_paragraph.text
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
|
||
|
|
Liquid::Template.register_filter(Jekyll::LynnesbianDotSpaceFilters)
|