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Contents
# based on https://github.com/rails/rails/blob/master/activesupport/lib/active_support/core_ext/hash/keys.rb#L116
# I chose to copy this method instead of adding activesupport as a dependency
# because we want to have the least number of dependencies
module FormatParser
class HashUtils
def self.deep_transform_keys(object, &block)
case object
when Hash
object.each_with_object({}) do |(key, value), result|
result[yield(key)] = deep_transform_keys(value, &block)
end
when Array
object.map { |e| deep_transform_keys(e, &block) }
else
object
end
end
end
end
Version data entries
50 entries across 50 versions & 1 rubygems