class RuboCop::Cop::Style::Attr
This cop checks for uses of Module#attr.
@example
# bad - creates a single attribute accessor (deprecated in Ruby 1.9) attr :something, true attr :one, :two, :three # behaves as attr_reader # good attr_accessor :something attr_reader :one, :two, :three
Constants
- MSG
Public Instance Methods
autocorrect(node)
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# File lib/rubocop/cop/style/attr.rb, line 28 def autocorrect(node) attr_name, setter = *node.arguments node_expr = node.source_range attr_expr = attr_name.source_range if setter && (setter.true_type? || setter.false_type?) remove = range_between(attr_expr.end_pos, node_expr.end_pos) end lambda do |corrector| corrector.replace(node.loc.selector, replacement_method(node)) corrector.remove(remove) if remove end end
on_send(node)
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# File lib/rubocop/cop/style/attr.rb, line 22 def on_send(node) return unless node.command?(:attr) && node.arguments? add_offense(node, location: :selector) end
Private Instance Methods
message(node)
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# File lib/rubocop/cop/style/attr.rb, line 46 def message(node) format(MSG, replacement: replacement_method(node)) end
replacement_method(node)
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# File lib/rubocop/cop/style/attr.rb, line 50 def replacement_method(node) setter = node.last_argument if setter && (setter.true_type? || setter.false_type?) setter.true_type? ? 'attr_accessor' : 'attr_reader' else 'attr_reader' end end