From 155d2c6867f07f5ef415ebddedc8c472311d5015 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Auswo=CC=88ger?= <martin@auswoeger.com>
Date: Thu, 8 Oct 2015 16:34:07 +0200
Subject: [PATCH] Reduce reflows

---
 cq-prolyfill.js | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/cq-prolyfill.js b/cq-prolyfill.js
index da133b5..c3878a6 100644
--- a/cq-prolyfill.js
+++ b/cq-prolyfill.js
@@ -477,7 +477,7 @@ function updateClasses(clearContainerCache) {
 	}
 	write(elementsTree);
 
-	function read(treeNodes) {
+	function read(treeNodes, dontMarkAsDone) {
 		var hasChanges = false;
 		treeNodes.forEach(function(node) {
 			if (!node._done) {
@@ -487,14 +487,11 @@ function updateClasses(clearContainerCache) {
 						node._changes.push([queryMatches, query]);
 					}
 				});
-				node._done = true;
-			}
-			if (node._changes.length) {
-				hasChanges = true;
-			}
-			else {
-				hasChanges = read(node._children);
+				node._done = !dontMarkAsDone;
 			}
+			hasChanges = read(node._children, dontMarkAsDone || node._changes.length)
+				|| node._changes.length
+				|| hasChanges;
 		});
 		return hasChanges;
 	}