Module: DeepSort::DeepSortHash

Defined in:
lib/deepsort.rb

Overview

inject this method into the Hash class to add deep sort functionality to Hashes

Instance Method Summary collapse

Instance Method Details

#<=>(other) ⇒ Object

comparison for hashes is ill-defined. this performs array or string comparison if the normal comparison fails.



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# File 'lib/deepsort.rb', line 93

def <=>(other)
  super(other) || to_a <=> other.to_a || to_s <=> other.to_s
end

#deep_sort ⇒ Object 



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# File 'lib/deepsort.rb', line 50

def deep_sort
  deep_sort_by { |obj| obj }
end

#deep_sort! ⇒ Object 



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# File 'lib/deepsort.rb', line 54

def deep_sort!
  deep_sort_by! { |obj| obj }
end

#deep_sort_by(&block) ⇒ Object 



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# File 'lib/deepsort.rb', line 58

def deep_sort_by(&block)
  Hash[self.map do |key, value|
    [if key.respond_to? :deep_sort_by
      key.deep_sort_by(&block)
    else
      key
    end,

    if value.respond_to? :deep_sort_by
      value.deep_sort_by(&block)
    else
      value
    end]

  end.sort_by(&block)]
end

#deep_sort_by!(&block) ⇒ Object 



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# File 'lib/deepsort.rb', line 75

def deep_sort_by!(&block)
  replace(Hash[self.map do |key, value|
    [if key.respond_to? :deep_sort_by!
      key.deep_sort_by!(&block)
    else
      key
    end,

    if value.respond_to? :deep_sort_by!
      value.deep_sort_by!(&block)
    else
      value
    end]

  end.sort_by(&block)])
end