Added vulcanize under third_party/npm_modules

node_modules/vulcanize/node_modules/whacko/node_modules/domutils/lib/stringify.js

Index: node_modules/vulcanize/node_modules/whacko/node_modules/domutils/lib/stringify.js
diff --git a/node_modules/vulcanize/node_modules/whacko/node_modules/domutils/lib/stringify.js b/node_modules/vulcanize/node_modules/whacko/node_modules/domutils/lib/stringify.js
new file mode 100644
index 0000000000000000000000000000000000000000..47a2ef93630379289a97e578b2a261a5f664900d
--- /dev/null
+++ b/node_modules/vulcanize/node_modules/whacko/node_modules/domutils/lib/stringify.js
@@ -0,0 +1,93 @@
+var ElementType = require("domelementtype"),
+    isTag = ElementType.isTag;
+
+module.exports = {
+	getInnerHTML: getInnerHTML,
+	getOuterHTML: getOuterHTML,
+	getText: getText
+};
+
+function getInnerHTML(elem){
+	return elem.children ? elem.children.map(getOuterHTML).join("") : "";
+}
+
+//boolean attributes without a value (taken from MatthewMueller/cheerio)
+var booleanAttribs = {
+	__proto__: null,
+	async: true,
+	autofocus: true,
+	autoplay: true,
+	checked: true,
+	controls: true,
+	defer: true,
+	disabled: true,
+	hidden: true,
+	loop: true,
+	multiple: true,
+	open: true,
+	readonly: true,
+	required: true,
+	scoped: true,
+	selected: true
+};
+
+var emptyTags = {
+	__proto__: null,
+	area: true,
+	base: true,
+	basefont: true,
+	br: true,
+	col: true,
+	frame: true,
+	hr: true,
+	img: true,
+	input: true,
+	isindex: true,
+	link: true,
+	meta: true,
+	param: true,
+	embed: true
+};
+
+function getOuterHTML(elem){
+	switch(elem.type){
+	case ElementType.Text:
+		return elem.data;
+	case ElementType.Comment:
+		return "<!--" + elem.data + "-->";
+	case ElementType.Directive:
+		return "<" + elem.data + ">";
+	case ElementType.CDATA:
+		return "<!CDATA " + getInnerHTML(elem) + "]]>";
+	}
+
+	var ret = "<" + elem.name;
+	if("attribs" in elem){
+		for(var attr in elem.attribs){
+			if(elem.attribs.hasOwnProperty(attr)){
+				ret += " " + attr;
+				var value = elem.attribs[attr];
+				if(value == null){
+					if( !(attr in booleanAttribs) ){
+						ret += "=\"\"";
+					}
+				} else {
+					ret += "=\"" + value + "\"";
+				}
+			}
+		}
+	}
+
+	if (elem.name in emptyTags && elem.children.length === 0) {
+		return ret + " />";
+	} else {
+		return ret + ">" + getInnerHTML(elem) + "</" + elem.name + ">";
+	}
+}
+
+function getText(elem){
+	if(Array.isArray(elem)) return elem.map(getText).join("");
+	if(isTag(elem) || elem.type === ElementType.CDATA) return getText(elem.children);
+	if(elem.type === ElementType.Text) return elem.data;
+	return "";
+}