Module: Jekyll::TagFilter

Defined in:
lib/jekyll-filter-by_tag.rb

Instance Method Summary collapse

Instance Method Details

#by_tag(collection, tag) ⇒ Object 



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# File 'lib/jekyll-filter-by_tag.rb', line 3

def by_tag(collection, tag)
  new_collection = []
  if !collection.kind_of?(Array)
    raise TypeError, "You can only use this filter on an Array"
  end
  # puts tag
  if tag
    collection.each do |item|
      # puts item['tags'].inspect
      if ( item['tags'].kind_of?(String) && item['tags'] == '*' ) ||
         ( item['tags'].kind_of?(Array) && item['tags'].include?(tag) )
        # puts "match found for #{tag}"
        new_collection << item
      end
    end
  end
  # puts new_collection.inspect
  return new_collection
end