code: function formatNodeValue(node, profile) {
  	if (node.value != null && reNl.test(node.value)) {
  		const lines = splitByLines(node.value);
  		const indent = profile.indent(1);
  		const maxLength = lines.reduce((prev, line) => Math.max(prev, line.length), 0);
  
  		return lines.map((line, i) => `${i ? indent : ''}${pad(line, maxLength)} |`).join('\n');
  	}
  
  	return node.value;
  }
docs: Formats value of given node: for multiline text we should add a ` |` suffix
  at the end of each line. Also ensure that text is perfectly aligned.
  @param  {Node}    node
  @param  {Profile} profile
  @return {String|null}