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# frozen_string_literal: true
module Grape
module Formatter
module SerializableHash
class << self
def call(object, _env)
return object if object.is_a?(String)
return ::Grape::Json.dump(serialize(object)) if serializable?(object)
return object.to_json if object.respond_to?(:to_json)
::Grape::Json.dump(object)
end
private
def serializable?(object)
object.respond_to?(:serializable_hash) || (object.is_a?(Array) && object.all? { |o| o.respond_to? :serializable_hash }) || object.is_a?(Hash)
end
def serialize(object)
if object.respond_to? :serializable_hash
object.serializable_hash
elsif object.is_a?(Array) && object.all? { |o| o.respond_to? :serializable_hash }
object.map(&:serializable_hash)
elsif object.is_a?(Hash)
h = {}
object.each_pair do |k, v|
h[k] = serialize(v)
end
h
else
object
end
end
end
end
end
end
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