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Size: 1.38 KB
Versions: 30
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Stored size: 1.38 KB
Contents
# frozen_string_literal: true
class Hash
# Returns a new hash with all values converted by the block operation.
# This includes the values from the root hash and from all
# nested hashes and arrays.
#
# hash = { person: { name: 'Rob', age: '28' } }
#
# hash.deep_transform_values{ |value| value.to_s.upcase }
# # => {person: {name: "ROB", age: "28"}}
def deep_transform_values(&block)
_deep_transform_values_in_object(self, &block)
end
# Destructively converts all values by using the block operation.
# This includes the values from the root hash and from all
# nested hashes and arrays.
def deep_transform_values!(&block)
_deep_transform_values_in_object!(self, &block)
end
private
# Support methods for deep transforming nested hashes and arrays.
def _deep_transform_values_in_object(object, &block)
case object
when Hash
object.transform_values { |value| _deep_transform_values_in_object(value, &block) }
when Array
object.map { |e| _deep_transform_values_in_object(e, &block) }
else
yield(object)
end
end
def _deep_transform_values_in_object!(object, &block)
case object
when Hash
object.transform_values! { |value| _deep_transform_values_in_object!(value, &block) }
when Array
object.map! { |e| _deep_transform_values_in_object!(e, &block) }
else
yield(object)
end
end
end
Version data entries
30 entries across 30 versions & 1 rubygems