Module: MethodObject::ClassMethods

Defined in:
lib/method_object.rb

Instance Method Summary collapse

Instance Method Details

#__check_for_unknown_options(*args, **kwargs) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/method_object.rb', line 31

def __check_for_unknown_options(*args, **kwargs)
  return if __defined_options.empty?

  # Checking params
  opts = args.drop(__defined_params.length).first || kwargs
  raise ArgumentError, "Unexpected argument #{opts}" unless opts.is_a? Hash

  # Checking options
  unknown_options = opts.keys - __defined_options
  message = "Key(s) #{unknown_options} not found in #{__defined_options}"
  raise KeyError, message if unknown_options.any?
end

#__defined_options ⇒ Object 



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# File 'lib/method_object.rb', line 44

def __defined_options
  dry_initializer.options.map(&:source)
end

#__defined_params ⇒ Object 



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# File 'lib/method_object.rb', line 48

def __defined_params
  dry_initializer.params.map(&:source)
end

#call(*args, **kwargs, &block) ⇒ Object 



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# File 'lib/method_object.rb', line 11

def call(*args, **kwargs, &block)
  __check_for_unknown_options(*args, **kwargs)

  if kwargs.empty?
    # Preventing `Passing the keyword argument as the last hash parameter is deprecated`
    new(*args).call(&block)
  else
    new(*args, **kwargs).call(&block)
  end
end

#param(name, type = nil, **opts, &block) ⇒ Object

Overriding the implementation of ‘#param` in the `dry-initializer` gem. Because of the positioning of multiple params, params can never be omitted in a method object.

Raises:

  • (ArgumentError) 


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# File 'lib/method_object.rb', line 24

def param(name, type = nil, **opts, &block)
  raise ArgumentError, "Default value for param not allowed - #{name}" if opts.key? :default
  raise ArgumentError, "Optional params not supported - #{name}" if opts.fetch(:optional, false)

  super
end