Class: Rubocop::Cop::Blocks

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

Constant Summary collapse

MULTI_LINE_MSG = 
'Avoid using {...} for multi-line blocks.'
SINGLE_LINE_MSG = 
'Prefer {...} over do...end for single-line blocks.'

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_block(node) ⇒ Object 



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# File 'lib/rubocop/cop/blocks.rb', line 9

def on_block(node)
  block_length = Util.block_length(node)
  block_begin = node.loc.begin.source

  if block_length > 0 && block_begin == '{'
    add_offence(:convention, node.loc.line, MULTI_LINE_MSG)
  elsif block_length == 0 && block_begin != '{'
    add_offence(:convention, node.loc.line, SINGLE_LINE_MSG)
  end

  super
end