Class: Rubocop::Cop::FavorJoin

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

Constant Summary collapse

MSG =
'Favor Array#join over Array#*.'

Instance Attribute Summary

Attributes inherited from Cop

#debug, #disabled_lines, #offences

Instance Method Summary collapse

Methods inherited from Cop

#add_offence, cop_name, #has_report?, #ignore_node, inherited, #initialize, #inspect, #name, #on_comment

Constructor Details

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

Instance Method Details

#on_send(node) ⇒ Object



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# File 'lib/rubocop/cop/favor_join.rb', line 8

def on_send(node)
  receiver_node, method_name, *arg_nodes = *node

  if receiver_node && receiver_node.type == :array &&
      method_name == :* && arg_nodes[0].type == :str
    add_offence(:convention,
                node.loc.expression.line,
                MSG)
  end

  super
end