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