Function formatAttrs

packages/main/test/pages/diffable-html.js:2284–2305

(attributes, opts)

      Format attributes
    */
    function formatAttrs(attributes, opts) {
      if (!attributes) return;

      var output = '',
          value;

      // Loop through the attributes
      for (var key in attributes) {
        value = attributes[key];
        if (output) {
          output += ' ';
        }

        if (!value && booleanAttributes[key]) {
          output += key;
        } else {
          output += key + '="' + (opts.decodeEntities ? entities.encodeXML(value) : value) + '"';
        }
      }

      return output;
    }

    /*
      Self-enclosing tags (stolen from node-htmlparser)