SyntaxSuggest::BlockExpand#expand_neighbors

# File tmp/rubies/ruby-3.2.0/lib/syntax_suggest/block_expand.rb, line 54
def expand_neighbors(block)
  expanded_lines = AroundBlockScan.new(code_lines: @code_lines, block: block)
    .skip(:hidden?)
    .stop_after_kw
    .scan_neighbors
    .scan_while { |line| line.empty? } # Slurp up empties
    .lines

  if block.lines == expanded_lines
    nil
  else
    CodeBlock.new(lines: expanded_lines)
  end
end