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Contents
# @api private
module Nanoc::HashExtensions
# Returns a new hash where all keys are recursively converted to symbols by
# calling {Nanoc::ArrayExtensions#__nanoc_symbolize_keys_recursively} or
# {Nanoc::HashExtensions#__nanoc_symbolize_keys_recursively}.
#
# @return [Hash] The converted hash
def __nanoc_symbolize_keys_recursively
hash = {}
each_pair do |key, value|
new_key = key.respond_to?(:to_sym) ? key.to_sym : key
new_value = value.respond_to?(:__nanoc_symbolize_keys_recursively) ? value.__nanoc_symbolize_keys_recursively : value
hash[new_key] = new_value
end
hash
end
# Freezes the contents of the hash, as well as all hash values. The hash
# values will be frozen using {#__nanoc_freeze_recursively} if they respond to
# that message, or #freeze if they do not.
#
# @see Array#__nanoc_freeze_recursively
#
# @return [void]
#
# @since 3.2.0
def __nanoc_freeze_recursively
return if frozen?
freeze
each_pair do |_key, value|
if value.respond_to?(:__nanoc_freeze_recursively)
value.__nanoc_freeze_recursively
else
value.freeze
end
end
end
end
# @api private
class Hash
include Nanoc::HashExtensions
end
Version data entries
25 entries across 25 versions & 1 rubygems