Module: Polyn::Utils::Hash

Defined in:
lib/polyn/utils/hash.rb

Overview

Utilities for hash manipulation.

Class Method Summary collapse

Class Method Details

.deep_camelize_keys(hash) ⇒ ::Hash

Deep camelize keys

Parameters:

  • hash (::Hash) —

    The hash to camelize.

Returns:

  • (::Hash) —

    The camelized hash.



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# File 'lib/polyn/utils/hash.rb', line 61

def self.deep_camelize_keys(hash)
  hash.each_with_object({}) do |(key, value), result|
    result[String.to_camel_case(key)] =
      value.is_a?(::Hash) ? deep_camelize_keys(value) : value
  end
end

.deep_snake_case_keys(hash) ⇒ ::Hash

Deep snake cases keys

Parameters:

  • hash (::Hash) —

    The hash to snake case.

Returns:

  • (::Hash) —

    The snake cased hash.



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# File 'lib/polyn/utils/hash.rb', line 74

def self.deep_snake_case_keys(hash)
  hash.each_with_object({}) do |(key, value), result|
    result[String.to_snake_case(key.to_s)] =
      value.is_a?(::Hash) ? deep_snake_case_keys(value) : value
  end
end

.deep_stringify_keys(hash) ⇒ ::Hash

Deep stringifies keys

Parameters:

  • hash (::Hash) —

    The hash to stringify.

Returns:

  • (::Hash) —

    The stringified hash.



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# File 'lib/polyn/utils/hash.rb', line 46

def self.deep_stringify_keys(hash)
  return hash.map { |item| deep_stringify_keys(item) } if hash.is_a?(::Array)
  return hash unless hash.is_a?(::Hash)

  hash.each_with_object({}) do |(key, value), result|
    result[key.to_s] = deep_stringify_keys(value)
  end
end

.deep_symbolize_keys(hash) ⇒ ::Hash

Deep symbolize keys of a hash.

Parameters:

  • hash (::Hash) —

    The hash to symbolize.

Returns:

  • (::Hash) —

    The symbolized hash.



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# File 'lib/polyn/utils/hash.rb', line 31

def self.deep_symbolize_keys(hash)
  return hash.map { |item| deep_symbolize_keys(item) } if hash.is_a?(::Array)
  return hash unless hash.is_a?(::Hash)

  hash.each_with_object({}) do |(key, value), result|
    result[key.to_sym] = deep_symbolize_keys(value)
  end
end