lib/do_snapshot/core_ext/hash.rb
# -*- encoding : utf-8 -*-
# frozen_string_literal: true
# Rails symbolize keys methods for Hash
#
class Hash
# Returns a new hash with all keys converted using the block operation.
#
# hash = { name: 'Rob', age: '28' }
#
# hash.transform_keys{ |key| key.to_s.upcase }
# # => {"NAME"=>"Rob", "AGE"=>"28"}
def transform_keys
result = {}
each_key do |key|
result[yield(key)] = self[key]
end
result
end
# Destructively convert all keys using the block operations.
# Same as transform_keys but modifies +self+.
def transform_keys!
keys.each do |key|
self[yield(key)] = delete(key)
end
self
end
def symbolize_keys
transform_keys { |key| key.to_sym rescue key } # rubocop:disable Style/RescueModifier
end
# Destructively convert all keys to symbols, as long as they respond
# to +to_sym+. Same as +symbolize_keys+, but modifies +self+.
def symbolize_keys!
transform_keys! { |key| key.to_sym rescue key } # rubocop:disable Style/RescueModifier
end
end