Class: RuboCop::Cop::Rails::DelegateAllowBlank

Inherits:
Base
  • Object
show all
Extended by:
AutoCorrector
Defined in:
lib/rubocop/cop/rails/delegate_allow_blank.rb

Overview

Looks for delegations that pass :allow_blank as an option instead of :allow_nil. :allow_blank is not a valid option to pass to ActiveSupport#delegate.

Examples:

# bad
delegate :foo, to: :bar, allow_blank: true

# good
delegate :foo, to: :bar, allow_nil: true

Constant Summary collapse

MSG = 
'`allow_blank` is not a valid option, use `allow_nil`.'
RESTRICT_ON_SEND = 
%i[delegate].freeze

Instance Method Summary collapse

Instance Method Details

#on_send(node) ⇒ Object 



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# File 'lib/rubocop/cop/rails/delegate_allow_blank.rb', line 26

def on_send(node)
  return unless (offending_node = allow_blank_option(node))

  add_offense(offending_node) do |corrector|
    corrector.replace(offending_node.key, 'allow_nil')
  end
end