class Fend::Plugins::DataProcessing::Process

Constants

HASH_OR_ARRAY
NESTED_ARRAY
NESTED_HASH

Public Class Methods

duplicate(data, opts = {}) click to toggle source
# File lib/fend/plugins/data_processing.rb, line 161
def self.duplicate(data, opts = {})
  return data unless HASH_OR_ARRAY[data]

  case data
  when NESTED_HASH
    data.each_with_object({}) { |(key, value), result| result[key] = duplicate(value) }
  when NESTED_ARRAY
    data.map(&method(:duplicate))
  when HASH_OR_ARRAY
    data.dup
  else
    data
  end
end
frost(data) click to toggle source
# File lib/fend/plugins/data_processing.rb, line 176
def self.frost(data)
  return data unless HASH_OR_ARRAY[data]

  case data
  when NESTED_HASH
    data.each_with_object({}) { |(key, value), result| result[key] = frost(value) }.freeze
  when NESTED_ARRAY
    data.map(&method(:frost)).freeze
  when HASH_OR_ARRAY
    data.dup.freeze
  else
    data
  end
end
stringify_keys(data) click to toggle source
# File lib/fend/plugins/data_processing.rb, line 153
def self.stringify_keys(data)
  return data unless HASH_OR_ARRAY[data]

  transformation = ->(key) { key.is_a?(Symbol) ? key.to_s : key }

  deep_transform_keys(data, transformation)
end
symbolize_keys(data) click to toggle source
# File lib/fend/plugins/data_processing.rb, line 145
def self.symbolize_keys(data)
  return data unless HASH_OR_ARRAY[data]

  transformation = ->(key) { key.is_a?(String) ? key.to_sym : key }

  deep_transform_keys(data, transformation)
end

Private Class Methods

deep_transform_keys(data, key_proc) click to toggle source
# File lib/fend/plugins/data_processing.rb, line 193
def self.deep_transform_keys(data, key_proc)
  case data
  when Hash
    data.each_with_object({}) do |(key, value), result|
      _key = key_proc[key]

      result[_key] = deep_transform_keys(value, key_proc)
    end
  when NESTED_ARRAY
    data.map { |member| deep_transform_keys(member, key_proc) }
  else
    data
  end
end