Module: Hashie::Extensions::SymbolizeKeys::ClassMethods

Included in:
Hashie, Hashie::Extensions::SymbolizeKeys
Defined in:
lib/hashie/extensions/symbolize_keys.rb

Instance Method Summary collapse

Instance Method Details

#symbolize_keys(hash) ⇒ Object

Return a copy of hash with all keys converted to symbols.

Parameters:

  • hash (::Hash) 


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# File 'lib/hashie/extensions/symbolize_keys.rb', line 56

def symbolize_keys(hash)
  hash.dup.tap do | new_hash |
    symbolize_keys! new_hash
  end
end

#symbolize_keys!(hash) ⇒ Object

Convert all keys in hash to symbols.

Examples:

test = {'abc' => 'def'}
Hashie.symbolize_keys! test
test # => {:abc => 'def'}

Parameters:



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# File 'lib/hashie/extensions/symbolize_keys.rb', line 45

def symbolize_keys!(hash)
  hash.keys.each do |k|
    symbolize_keys_recursively!(hash[k])
    hash[k.to_sym] = hash.delete(k)
  end
  hash
end

#symbolize_keys_recursively!(object) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Symbolize all keys recursively within nested hashes and arrays.



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# File 'lib/hashie/extensions/symbolize_keys.rb', line 25

def symbolize_keys_recursively!(object)
  object.symbolize_keys! if object.respond_to? :symbolize_keys!

  case object
  when ::Array
    object.each do |i|
      symbolize_keys_recursively!(i)
    end
  when ::Hash
    symbolize_keys!(object)
  end
end