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# frozen_string_literal: true
module JMESPath
# @api private
module Util
class << self
# Determines if a value is false as defined by JMESPath:
#
# https://github.com/jmespath/jmespath.site/blob/master/docs/proposals/improved-filters.rst#and-expressions-1
#
def falsey?(value)
!value ||
(value.respond_to?(:to_ary) && value.to_ary.empty?) ||
(value.respond_to?(:to_hash) && value.to_hash.empty?) ||
(value.respond_to?(:to_str) && value.to_str.empty?) ||
(value.respond_to?(:entries) && !value.entries.any?)
# final case necessary to support Enumerable and Struct
end
def as_json(value)
if value.respond_to?(:to_ary)
value.to_ary.map { |e| as_json(e) }
elsif value.respond_to?(:to_hash)
hash = {}
value.to_hash.each_pair { |k, v| hash[k] = as_json(v) }
hash
elsif value.respond_to?(:to_str)
value.to_str
else
value
end
end
end
end
end
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