Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/bookpress.rb

Overview

This reopens the Hash class to add a method to allow sorting by key recursively

Instance Method Summary collapse

Instance Method Details

#sort_by_key(recursive = false, &block) ⇒ Object 



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# File 'lib/bookpress.rb', line 9

def sort_by_key(recursive = false, &block)
  self.keys.sort(&block).reduce({}) do |seed, key|
    seed[key] = self[key]
    if recursive && seed[key].is_a?(Hash)
      seed[key] = seed[key].sort_by_key(true, &block)
    end
    seed
  end
end