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mastodon/app/lib/activitypub/case_transform.rb

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# frozen_string_literal: true
module ActivityPub::CaseTransform
class << self
def camel_lower_cache
@camel_lower_cache ||= {}
end
def camel_lower(value)
case value
when Array then value.map { |item| camel_lower(item) }
when Hash then value.deep_transform_keys! { |key| camel_lower(key) }
when Symbol then camel_lower(value.to_s).to_sym
when String
camel_lower_cache[value] ||= if value.start_with?('_:')
'_:' + value.gsub(/\A_:/, '').underscore.camelize(:lower)
else
value.underscore.camelize(:lower)
end
else value
end
end
end
end