Sha256: da2a5d440caa512dcd49663d8b5743b879e604882293e0e59844d06dfc42de73
Contents?: true
Size: 1.28 KB
Versions: 9
Compression:
Stored size: 1.28 KB
Contents
# frozen_string_literal: true
# All our Ruby core extensions for the +Hash+ class.
class Hash
# Perform the regular +Hash#compact+ method on the object but takes care of
# deeply nested hashs.
#
# @return [Hash]
def deep_compact
deep_compact_in_object(self)
end
# Perform a deep key transformation on the hash,
# so all keys are in camelcase.
#
# @return [Hash]
def deep_camelize_keys
deep_transform_keys { |key| key.to_s.camelize(:lower) }
end
# Perform a deep key transformation on the hash,
# so all keys are in snakecase/underscored.
#
# @return [Hash]
def deep_underscore_keys
deep_transform_keys { |key| key.to_s.underscore }
end
private
# A supporting helper to allow deep hash compaction.
#
# @param object [Mixed] the object to compact
# @return [Mixed] the compacted object
#
# rubocop:disable Metrics/MethodLength because of the extra empty
# hash compaction logic
def deep_compact_in_object(object)
case object
when Hash
object = object.compact.transform_values do |value|
deep_compact_in_object(value)
end
object.empty? ? nil : object.compact
when Array
object.map { |item| deep_compact_in_object(item) }
else
object
end
end
# rubocop:enable Metrics/MethodLength
end
Version data entries
9 entries across 9 versions & 1 rubygems