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require 'active_support/core_ext/object/to_query'
require 'action_view'
require 'action_view/helpers'
require 'rack/utils'
module ActionView
module Helpers
module HashToHiddenFields
def hash_to_hidden_fields(hash)
cleaned_hash = hash.reject { |k, v| v.nil? }
pairs = cleaned_hash.to_query.split(Rack::Utils::DEFAULT_SEP)
tags = pairs.map do |pair|
key, value = pair.split('=', 2).map { |str| Rack::Utils.unescape(str) }
hidden_field_tag(key, value)
end
tags.join("\n").html_safe
end
end
end
end