houdini/lib/required_keys.rb
2019-08-02 19:07:29 +02:00

13 lines
395 B
Ruby

# frozen_string_literal: true
# License: AGPL-3.0-or-later WITH Web-Template-Output-Additional-Permission-3.0-or-later
# Given a hash and an array of keys
# Raise an argument error if any keys are missing from the hash
class RequiredKeys
def initialize(hash, keys)
missing = keys.select { |k| hash[k].nil? }
raise ArgumentError, "Missing keys: #{missing}" if missing.any?
end
end