html-compare/lib/display/stringify-node.js

html-compare package

/*jshint node:true*/
"use strict";

module.exports = stringifyNode;

var nodeType = require('../util/cheerio-utils').nodeType;

/**
 * Takes a cheerio node and returns a concise string representation of it,
 * regardless of type. Also handles corner-cases like printing 'undefined'
 * or 'null' as '[nothing]'.
 *
 * @param $node the cheerio object for the node
 * @returns {string} a printable string
 */
function stringifyNode($node) {
  if (!$node || !$node.length)
    return "[nothing]";

  switch(nodeType($node)) {
    case 'text':
      var text = $node.text();
      return '"' + text + '"';

    default:
      var $ = $node.cheerio;
      var $clone = $node.clone();
      return $.html($clone);
  }
}