Add vulcanize to tools.

tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/cheerio-select/node_modules/CSSselect/node_modules/domutils/lib/querying.js

Index: tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/cheerio-select/node_modules/CSSselect/node_modules/domutils/lib/querying.js
diff --git a/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/cheerio-select/node_modules/CSSselect/node_modules/domutils/lib/querying.js b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/cheerio-select/node_modules/CSSselect/node_modules/domutils/lib/querying.js
new file mode 100644
index 0000000000000000000000000000000000000000..187f31e6c14cac1989b4df7288e5fc829525a135
--- /dev/null
+++ b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/cheerio-select/node_modules/CSSselect/node_modules/domutils/lib/querying.js
@@ -0,0 +1,76 @@
+exports.find = function(test, arr, recurse, limit){
+	var result = [], childs;
+
+	for(var i = 0, j = arr.length; i < j; i++){
+		if(test(arr[i])){
+			result.push(arr[i]);
+			if(--limit <= 0) break;
+		}
+
+		childs = this.getChildren(arr[i]);
+		if(recurse && childs && childs.length > 0){
+			childs = this.find(test, childs, recurse, limit);
+			result = result.concat(childs);
+			limit -= childs.length;
+			if(limit <= 0) break;
+		}
+	}
+
+	return result;
+};
+
+exports.findOneChild = function(test, arr){
+	for(var i = 0, l = arr.length; i < l; i++){
+		if(test(arr[i])) return arr[i];
+	}
+
+	return null;
+};
+
+exports.findOne = function(test, arr){
+	var elem = null;
+
+	for(var i = 0, l = arr.length; i < l && !elem; i++){
+		if(test(arr[i])){
+			elem = arr[i];
+		} else if(arr[i].children && arr[i].children.length > 0){
+			elem = this.findOne(test, arr[i].children);
+		}
+	}
+
+	return elem;
+};
+
+exports.findAll = function(test, elems){
+	var result = [];
+	for(var i = 0, j = elems.length; i < j; i++){
+		if(test(elems[i])) result.push(elems[i]);
+
+		var childs = this.getChildren(elems[i]);
+		if(childs && childs.length){
+			result = result.concat(this.findAll(test, childs));
+		}
+	}
+	return result;
+};
+
+exports.filter = function(test, element, recurse, limit){
+	if(!Array.isArray(element)) element = [element];
+
+	if(typeof limit !== "number" || !isFinite(limit)){
+		if(recurse === false){
+			return element.filter(test);
+		} else {
+			return this.findAll(test, element);
+		}
+	} else if(limit === 1){
+		if(recurse === false){
+			element = this.findOneChild(test, element);
+		} else {
+			element = this.findOne(test, element);
+		}
+		return element ? [element] : [];
+	} else {
+		return this.find(test, element, recurse !== false, limit);
+	}
+};