class RuboCop::Cop::Layout::SpaceInsideStringInterpolation

var = “This is the #{ space } example”
# good
var = “This is the #{no_space} example”
# bad
@example EnforcedStyle: space
var = “This is the #{no_space} example”
# good
var = “This is the #{ space } example”
# bad
@example EnforcedStyle: no_space (default)
Checks for whitespace within string interpolations.

def autocorrect(corrector, begin_node) 

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

def delimiters(begin_node) 

def delimiters(begin_node)
  left = processed_source.first_token_of(begin_node)
  right = processed_source.last_token_of(begin_node)
  [left, right]
end

def on_interpolation(begin_node) 

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