From 5676a486cf2e79e7ca559fc53cabdb4e12f3f4bb Mon Sep 17 00:00:00 2001
From: Pete Hunt <pete.hunt@fb.com>
Date: Mon, 8 Jul 2013 11:41:19 -0700
Subject: [PATCH] Allow nested ReactUpdates

---
 src/core/ReactUpdates.js | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/core/ReactUpdates.js b/src/core/ReactUpdates.js
index fe4de4ffc2..6c2d4f675e 100644
--- a/src/core/ReactUpdates.js
+++ b/src/core/ReactUpdates.js
@@ -29,11 +29,13 @@ var dirtyComponents = [];
  * friends are batched such that components aren't updated unnecessarily.
  */
 function batchedUpdates(callback) {
-  invariant(
-    !isBatchingUpdates,
-    'batchedUpates(...): Attempt to batch updates in a context where updates ' +
-    'are already being batched.'
-  );
+  if (isBatchingUpdates) {
+    // We're already executing in an environment where updates will be batched,
+    // so this is a no-op.
+    callback();
+    return;
+  }
+
   isBatchingUpdates = true;
 
   try {