class Bolt::PAL::YamlPlan::Step::Eval

def self.required_keys
  Set['eval']
end

def evaluate(scope, evaluator)
  evaluated = evaluator.evaluate_code_blocks(scope, body)
  evaluated['eval']
end

def transpile
  code = String.new("  ")
  code << "$#{body['name']} = " if body['name']
  code_body = Bolt::Util.to_code(body['eval']) || 'undef'
  # If we're trying to assign the result of a multi-line eval to a name
  # variable, we need to wrap it in `with()`.
  if body['name'] && code_body.lines.count > 1
    indented = code_body.gsub(/\n/, "\n    ").chomp("  ")
    code << "with() || {\n    #{indented}}"
  else
    code << code_body
  end
  code << "\n"
end