From eab4ffa721db6cd71744e35fbf21d07b0eaea0e0 Mon Sep 17 00:00:00 2001
From: Dominic Gannaway <trueadm@users.noreply.github.com>
Date: Fri, 10 Jun 2016 17:57:31 +0100
Subject: [PATCH] Performance: setTextContent should attempt to set TextNode
 nodeValue where possible (#7005)

(cherry picked from commit 40f6d3eacad563c67bea0aa1c2220de6239ece43)
---
 src/renderers/dom/client/utils/setTextContent.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/renderers/dom/client/utils/setTextContent.js b/src/renderers/dom/client/utils/setTextContent.js
index d15ce89eac..e85d863d62 100644
--- a/src/renderers/dom/client/utils/setTextContent.js
+++ b/src/renderers/dom/client/utils/setTextContent.js
@@ -26,6 +26,14 @@ var setInnerHTML = require('setInnerHTML');
  * @internal
  */
 var setTextContent = function(node, text) {
+  if (text) {
+    var firstChild = node.firstChild;
+    
+    if (firstChild && firstChild === node.lastChild && firstChild.nodeType === 3) {
+      firstChild.nodeValue = text;
+      return;
+    }
+  }
   node.textContent = text;
 };