Add vulcanize to tools.

tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/lib/render.js

Index: tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/lib/render.js
diff --git a/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/lib/render.js b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/lib/render.js
new file mode 100644
index 0000000000000000000000000000000000000000..a8a80775bdd35e869e7b8fbba71c3a697daa660f
--- /dev/null
+++ b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/lib/render.js
@@ -0,0 +1,136 @@
+/*
+  Module dependencies
+*/
+var _ = require('underscore');
+var utils = require('./utils');
+
+var decode = utils.decode;
+var encode = utils.encode;
+
+/*
+  Boolean Attributes
+*/
+var rboolean = /^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i;
+
+/*
+  Format attributes
+*/
+var formatAttrs = function(attributes) {
+  if (!attributes) return '';
+
+  var output = [],
+      value;
+
+  // Loop through the attributes
+  for (var key in attributes) {
+    value = attributes[key];
+    if (!value && (rboolean.test(key) || key === '/')) {
+      output.push(key);
+    } else {
+      output.push(key + '="' + encode(decode(value)) + '"');
+    }
+  }
+
+  return output.join(' ');
+};
+
+/*
+  Self-enclosing tags (stolen from node-htmlparser)
+*/
+var singleTag = {
+  area: 1,
+  base: 1,
+  basefont: 1,
+  br: 1,
+  col: 1,
+  frame: 1,
+  hr: 1,
+  img: 1,
+  input: 1,
+  isindex: 1,
+  link: 1,
+  meta: 1,
+  param: 1,
+  embed: 1,
+  include: 1,
+  'yield': 1
+};
+
+/*
+  Tag types from htmlparser
+*/
+var tagType = {
+  tag: 1,
+  script: 1,
+  link: 1,
+  style: 1,
+  template: 1
+};
+
+var render = module.exports = function(dom, opts) {
+  if (!Array.isArray(dom) && !dom.cheerio) dom = [dom];
+  opts = opts || {};
+
+  var output = [],
+      xmlMode = opts.xmlMode || false,
+      ignoreWhitespace = opts.ignoreWhitespace || false;
+
+  _.each(dom, function(elem) {
+    var pushVal;
+
+    if (tagType[elem.type])
+      pushVal = renderTag(elem, xmlMode);
+    else if (elem.type === 'directive')
+      pushVal = renderDirective(elem);
+    else if (elem.type === 'comment')
+      pushVal = renderComment(elem);
+    else
+      pushVal = renderText(elem);
+
+    // Push rendered DOM node
+    output.push(pushVal);
+
+    if (elem.children)
+      output.push(render(elem.children, opts));
+
+    if ((!singleTag[elem.name] || xmlMode) && tagType[elem.type]) {
+      if (!isClosedTag(elem, xmlMode)) {
+        output.push('</' + elem.name + '>');
+      }
+    }
+  });
+
+  return output.join('');
+};
+
+var isClosedTag = function(elem, xmlMode){
+  return (xmlMode && (!elem.children || elem.children.length === 0));
+};
+
+var renderTag = function(elem, xmlMode) {
+  var tag = '<' + elem.name;
+
+  if (elem.attribs && _.size(elem.attribs)) {
+    tag += ' ' + formatAttrs(elem.attribs);
+  }
+
+  if (isClosedTag(elem, xmlMode)) {
+    tag += '/';
+  }
+
+  return tag + '>';
+};
+
+var renderDirective = function(elem) {
+  return '<' + elem.data + '>';
+};
+
+var renderText = function(elem) {
+  return elem.data;
+};
+
+var renderComment = function(elem) {
+  return '<!--' + elem.data + '-->';
+};
+
+// module.exports = $.extend(exports);