class RuboCop::Cop::Layout::SpaceInsideStringInterpolation

Checks for whitespace within string interpolations.

@example EnforcedStyle: no_space (default)

# bad
   var = "This is the #{ space } example"

# good
   var = "This is the #{no_space} example"

@example EnforcedStyle: space

# bad
   var = "This is the #{no_space} example"

# good
   var = "This is the #{ space } example"

Constants

MSG

Public Instance Methods

on_interpolation(begin_node) click to toggle source
# File lib/rubocop/cop/layout/space_inside_string_interpolation.rb, line 30
def on_interpolation(begin_node)
  return if begin_node.multiline?

  tokens = processed_source.tokens_within(begin_node)
  left, right = delimiters(begin_node)
  return if empty_brackets?(left, right, tokens: tokens)

  if style == :no_space
    no_space_offenses(begin_node, left, right, MSG)
  else
    space_offenses(begin_node, left, right, MSG)
  end
end

Private Instance Methods

autocorrect(corrector, begin_node) click to toggle source
# File lib/rubocop/cop/layout/space_inside_string_interpolation.rb, line 46
def autocorrect(corrector, begin_node)
  delims = delimiters(begin_node)

  if style == :no_space
    SpaceCorrector.remove_space(processed_source, corrector, *delims)
  else
    SpaceCorrector.add_space(processed_source, corrector, *delims)
  end
end
delimiters(begin_node) click to toggle source
# File lib/rubocop/cop/layout/space_inside_string_interpolation.rb, line 56
def delimiters(begin_node)
  left = processed_source.first_token_of(begin_node)
  right = processed_source.last_token_of(begin_node)
  [left, right]
end