class RuboCop::Cop::Layout::SpaceAroundEqualsInParameterDefault

end
# do something…
def some_method(arg1=:default, arg2=nil, arg3=[])
# good
end
# do something…
def some_method(arg1 = :default, arg2 = nil, arg3 = [])
# bad
@example EnforcedStyle: no_space
end
# do something…
def some_method(arg1 = :default, arg2 = nil, arg3 = [])
# good
end
# do something…
def some_method(arg1=:default, arg2=nil, arg3=[])
# bad
@example EnforcedStyle: space (default)
have or don’t have surrounding space depending on configuration.
Checks that the equals signs in parameter default assignments

def autocorrect(corrector, range) 

def autocorrect(corrector, range)
  m = range.source.match(/=\s*(\S+)/)
  rest = m ? m.captures[0] : ''
  replacement = style == :space ? ' = ' : '='
  corrector.replace(range, replacement + rest)
end

def check_optarg(arg, equals, value) 

def check_optarg(arg, equals, value)
  space_on_both_sides = space_on_both_sides?(arg, equals)
  no_surrounding_space = no_surrounding_space?(arg, equals)
  if (style == :space && space_on_both_sides) ||
     (style == :no_space && no_surrounding_space)
    correct_style_detected
  else
    incorrect_style_detected(arg, value)
  end
end

def incorrect_style_detected(arg, value) 

def incorrect_style_detected(arg, value)
  range = range_between(arg.end_pos, value.begin_pos)
  add_offense(range) do |corrector|
    autocorrect(corrector, range)
    opposite_style_detected
  end
end

def message(_node) 

def message(_node)
  format(MSG, type: style == :space ? 'missing' : 'detected')
end

def no_surrounding_space?(arg, equals) 

def no_surrounding_space?(arg, equals)
  !arg.space_after? && !equals.space_after?
end

def on_optarg(node) 

def on_optarg(node)
  tokens = processed_source.tokens_within(node)
  arg, equals, value = tokens.take(3)
  check_optarg(arg, equals, value)
end

def space_on_both_sides?(arg, equals) 

def space_on_both_sides?(arg, equals)
  arg.space_after? && equals.space_after?
end