lib/rubocop/cop/layout/space_before_comment.rb
# frozen_string_literal: true
module RuboCop
module Cop
module Layout
# Checks for missing space between a token and a comment on the
# same line.
#
# @example
# # bad
# 1 + 1# this operation does ...
#
# # good
# 1 + 1 # this operation does ...
class SpaceBeforeComment < Base
extend AutoCorrector
MSG = 'Put a space before an end-of-line comment.'
def on_new_investigation
processed_source.sorted_tokens.each_cons(2) do |token1, token2|
next unless token2.comment?
next unless same_line?(token1, token2)
next unless token1.pos.end == token2.pos.begin
range = token2.pos
add_offense(range) { |corrector| corrector.insert_before(range, ' ') }
end
end
end
end
end
end