Class: Rubocop::Cop::Style::NestedTernaryOperator

Inherits:
Cop
  • Object
show all
Defined in:
lib/rubocop/cop/style/ternary_operator.rb

Overview

This cop checks for nested ternary op expressions.

Constant Summary collapse

MSG = 
'Ternary operators must not be nested. Prefer if/else ' +
'constructs instead.'

Instance Attribute Summary

Attributes inherited from Cop

#autocorrect, #corrections, #debug, #disabled_lines, #offences

Instance Method Summary collapse

Methods inherited from Cop

#add_offence, all, #autocorrect_action, cop_name, cop_type, #do_autocorrect, #ignore_node, inherited, #initialize, lint?, #name, rails?, style?

Constructor Details

This class inherits a constructor from Rubocop::Cop::Cop

Instance Method Details

#on_if(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/ternary_operator.rb', line 28

def on_if(node)
  loc = node.loc

  # discard non-ternary ops
  return unless loc.respond_to?(:question)

  node.children.each do |child|
    on_node(:if, child) do |c|
      if c.loc.respond_to?(:question)
        add_offence(:convention, c.loc.expression, MSG)
      end
    end
  end
end