Module: Super::ConfigurationLogic::ClassMethods

Defined in:
lib/super/configuration.rb

Instance Method Summary collapse

Instance Method Details

#configure(attr, wrap: nil, enum: nil, **kwargs) ⇒ Object 



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# File 'lib/super/configuration.rb', line 40

def configure(attr, wrap: nil, enum: nil, **kwargs)
  if kwargs.key?(:default)
    defaults[attr] = kwargs[:default]
  end

  define_method(attr) do
    if !configured?(attr)
      raise Error::UnconfiguredConfiguration, "unconfigured: #{attr}"
    end

    result = instance_variable_get("@#{attr}")

    if wrap.nil?
      result
    else
      wrap.call(result)
    end
  end

  define_method("#{attr}=") do |value|
    if enum.is_a?(Array)
      if !enum.include?(value)
        raise Error::InvalidConfiguration,
          "tried to set `#{attr}` to `#{value.inspect}`, " \
          "expected: #{enum.join(", ")}"
      end
    end

    instance_variable_set("@#{attr}", value)
    value
  end
end

#defaults ⇒ Object 



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# File 'lib/super/configuration.rb', line 32

def defaults
  @defaults ||= {}
end

#wraps ⇒ Object 



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# File 'lib/super/configuration.rb', line 36

def wraps
  @wraps ||= {}
end