Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/naver/core_ext/hash/keys.rb

Instance Method Summary collapse

Instance Method Details

#camelize_keys ⇒ Object

Returns a new hash with all keys converted to camelcase strings.

hash = { first_name: "Rob", last_name: "Bob" }

hash.camelize_keys
# => {:firstName=>"Rob", :lastName=>"Bob"}



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# File 'lib/naver/core_ext/hash/keys.rb', line 28

def camelize_keys
  transform_keys { |key| camelize_key(key) }
end

#deep_camelize_keys ⇒ Object

Returns a new hash with all keys converted to camelcase strings. This includes the keys from the root hash and from all nested hashes and arrays.

hash = { person: { first_name: "Rob", last_name: "Bob" } }

hash.deep_camelize_keys
# => {:person=>{:firstName=>"Rob", :lastName=>"Bob"}}



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# File 'lib/naver/core_ext/hash/keys.rb', line 52

def deep_camelize_keys
  deep_transform_keys_in_object(self) { |key| camelize_key(key) }
end

#deep_underscore_keys ⇒ Object

Returns a new hash with all keys converted to underscore strings. This includes the keys from the root hash and from all nested hashes and arrays.

hash = { person: { firstName: "Rob", lastName: "Bob" } }

hash.deep_underscore_keys
# => {:person=>{:first_name=>"Rob", :last_name=>"Bob"}}



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# File 'lib/naver/core_ext/hash/keys.rb', line 40

def deep_underscore_keys
  deep_transform_keys_in_object(self) { |key| underscore_key(key) }
end

#transform_keys ⇒ Object

Returns a new hash with all keys converted using the block operation.



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# File 'lib/naver/core_ext/hash/keys.rb', line 3

def transform_keys
  return enum_for(:transform_keys) { size } unless block_given?
  result = {}
  each_key do |key|
    result[yield(key)] = self[key]
  end
  result
end

#underscore_keys ⇒ Object

Returns a new hash with all keys converted to underscore strings.

hash = { firstName: "Rob", lastName: "Bob" }

hash.underscore_keys
# => {:first_name=>"Rob", :last_name=>"Bob"}



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# File 'lib/naver/core_ext/hash/keys.rb', line 18

def underscore_keys
  transform_keys { |key| underscore_key(key) }
end