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# frozen_string_literal: true
module Gitlab
module Utils
module LogLimitedArray
MAXIMUM_ARRAY_LENGTH = 10.kilobytes
# Prepare an array for logging by limiting its JSON representation
# to around 10 kilobytes. Once we hit the limit, add the sentinel
# value as the last item in the returned array.
def self.log_limited_array(array, sentinel: '...')
return [] unless array.is_a?(Array) || array.is_a?(Enumerator::Lazy)
total_length = 0
limited_array = array.take_while do |arg|
total_length += JsonSizeEstimator.estimate(arg)
total_length <= MAXIMUM_ARRAY_LENGTH
end.to_a
limited_array.push(sentinel) if total_length > MAXIMUM_ARRAY_LENGTH
limited_array
end
end
end
end
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