Module: NaturalSortJp

Defined in:
lib/natural_sort_jp.rb,
lib/natural_sort_jp/element.rb,
lib/natural_sort_jp/version.rb

Defined Under Namespace

Classes: Element

Constant Summary collapse

VERSION = 
'0.4.3'

Class Method Summary collapse

Class Method Details

.convert(title) ⇒ Object 



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# File 'lib/natural_sort_jp.rb', line 17

def self.convert(title)
  elements = title.to_s.scan(/([^0-9０-９]*)([0-9０-９]*)/).flatten
  converted = []
  elements.each do |t|
    next if t.empty?
    converted << Element.new(t)
  end
  converted
end

.referenced_by_attribute(obj, attribute) ⇒ Object 



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# File 'lib/natural_sort_jp.rb', line 27

def self.referenced_by_attribute(obj, attribute)
  if obj.class == Hash
    obj[attribute]
  else
    obj.send(attribute)
  end
end

.sort(array, by: nil, desc: false) ⇒ Object 



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# File 'lib/natural_sort_jp.rb', line 7

def self.sort(array, by: nil, desc: false)
  array = by ? self.sort_by(array, by) : array.sort_by { |x| convert(x) }
  return array.reverse if desc
  array
end

.sort_by(array, attribute) ⇒ Object 



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# File 'lib/natural_sort_jp.rb', line 13

def self.sort_by(array, attribute)
  array.sort_by { |obj| convert(referenced_by_attribute(obj, attribute)) }
end