Class: Bolt::PAL::YamlPlan::Step::Eval

Inherits:
Step
  • Object
show all
Defined in:
lib/bolt/pal/yaml_plan/step/eval.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.required_keys ⇒ Object 



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# File 'lib/bolt/pal/yaml_plan/step/eval.rb', line 8

def self.required_keys
  Set['eval']
end

Instance Method Details

#evaluate(scope, evaluator) ⇒ Object

Evaluates the step



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# File 'lib/bolt/pal/yaml_plan/step/eval.rb', line 14

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

#transpile ⇒ Object

Transpiles the step into the plan language



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# File 'lib/bolt/pal/yaml_plan/step/eval.rb', line 21

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