class RuboCop::Cop::Layout::EmptyLines
Checks for two or more consecutive blank lines.
@example
# bad - It has two empty lines. some_method # one empty line # two empty lines some_method # good some_method # one empty line some_method
Constants
- LINE_OFFSET
- MSG
Public Instance Methods
Source
# File lib/rubocop/cop/layout/empty_lines.rb, line 28 def on_new_investigation return if processed_source.tokens.empty? # Quick check if we possibly have consecutive blank lines. return unless processed_source.raw_source.include?("\n\n\n") lines = Set.new processed_source.tokens.each { |token| lines << token.line } each_extra_empty_line(lines.sort) do |range| add_offense(range) do |corrector| corrector.remove(range) end end end
Private Instance Methods
Source
# File lib/rubocop/cop/layout/empty_lines.rb, line 45 def each_extra_empty_line(lines) prev_line = 1 lines.each do |cur_line| if exceeds_line_offset?(cur_line - prev_line) # we need to be wary of comments since they # don't show up in the tokens ((prev_line + 1)...cur_line).each do |line| next unless previous_and_current_lines_empty?(line) yield source_range(processed_source.buffer, line, 0) end end prev_line = cur_line end end
Source
# File lib/rubocop/cop/layout/empty_lines.rb, line 63 def exceeds_line_offset?(line_diff) line_diff > LINE_OFFSET end
Source
# File lib/rubocop/cop/layout/empty_lines.rb, line 67 def previous_and_current_lines_empty?(line) processed_source[line - 2].empty? && processed_source[line - 1].empty? end