Class: Rubocop::Cop::LineBreakAroundConditionalBlock

Inherits:
RuboCop::Cop::Base
  • Object
show all
Extended by:
RuboCop::Cop::AutoCorrector
Includes:
RuboCop::Cop::RangeHelp
Defined in:
lib/rubocop/cop/line_break_around_conditional_block.rb

Overview

Ensures a line break around conditional blocks.

Examples:

# bad
do_something
if condition
  do_extra_stuff
end
do_something_more

# good
do_something

if condition
  do_extra_stuff
end

do_something_more

# bad
do_something
unless condition
  do_extra_stuff
end

do_something_more

# good
def a_method
  if condition
    do_something
  end
end

# good
on_block do
  if condition
    do_something
  end
end

Constant Summary collapse

MSG = 
'Add a line break around conditional blocks'

Instance Method Summary collapse

Instance Method Details

#on_if(node) ⇒ Object 



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# File 'lib/rubocop/cop/line_break_around_conditional_block.rb', line 51

def on_if(node)
  # This cop causes errors in haml files, so let's skip those
  return if in_haml?(node)
  return if node.single_line?
  return unless node.if? || node.unless?

  corrector_block = lambda do |corrector|
    line = range_by_whole_lines(node.source_range)

    corrector.insert_before(line, "\n") unless previous_line_valid?(node)
    corrector.insert_after(line, "\n") unless last_line_valid?(node)
  end

  add_offense(node, &corrector_block) unless previous_line_valid?(node)
  add_offense(node, &corrector_block) unless last_line_valid?(node)
end