discourse/lib/slug.rb
2013-02-11 20:34:38 -06:00

28 lines
644 B
Ruby

# encoding: utf-8
# Generates a slug. This is annoying beacuse it's duplicating what the javascript
# does, but on the other hand slugs are never matched so it's okay if they differ
# a little.
module Slug
def self.for(string)
str = string.dup
str.gsub!(/^\s+|\s+$/, '')
str.downcase!
# The characters we want to replace with a hyphen
str.tr!("·/_,:;.", "\-")
# Convert to ASCII or remove if transliteration is unknown.
str = ActiveSupport::Inflector.transliterate(str, '')
str.gsub!(/[^a-z0-9 -]/, '')
str.gsub!(/\s+/, '-')
str.gsub!(/\-+/, '-')
str.gsub!(/^-|-$/, '')
str
end
end