From 7b8928886bf101b0cf4a8cc2d2dd2e576ec1c8d8 Mon Sep 17 00:00:00 2001
From: Jermolene <jeremy@jermolene.com>
Date: Mon, 28 Sep 2015 20:27:43 +0100
Subject: [PATCH] Add tw.utils.tagToCssSelector() helper method

---
 core/modules/utils/utils.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/core/modules/utils/utils.js b/core/modules/utils/utils.js
index 1e08837a5..f7f8340a7 100644
--- a/core/modules/utils/utils.js
+++ b/core/modules/utils/utils.js
@@ -633,4 +633,16 @@ exports.makeDataUri = function(text,type) {
 	return parts.join("");
 };
 
+/*
+Useful for finding out the fully escaped CSS selector equivalent to a given tag. For example:
+
+$tw.utils.tagToCssSelector("$:/tags/Stylesheet") --> tc-tagged-\%24\%3A\%2Ftags\%2FStylesheet
+*/
+exports.tagToCssSelector = function(tagName) {
+	return "tc-tagged-" + encodeURIComponent(tagName).replace(/[!"#$%&'()*+,\-./:;<=>?@[\\\]^`{\|}~,]/mg,function(c) {
+		return "\\" + c;
+	});
+};
+
+
 })();
\ No newline at end of file