From 20ec78d9f0a8df6c7f4672677f4ece8cd0c8dffd Mon Sep 17 00:00:00 2001
From: conorhastings <conor@socialtables.com>
Date: Fri, 16 Oct 2015 09:20:13 -0400
Subject: [PATCH] update enqueueCallback invariant to more specifically explain
 what caused error

---
 src/renderers/shared/reconciler/ReactUpdateQueue.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/renderers/shared/reconciler/ReactUpdateQueue.js b/src/renderers/shared/reconciler/ReactUpdateQueue.js
index 0c5e325a8d35..52bbd6a1198a 100644
--- a/src/renderers/shared/reconciler/ReactUpdateQueue.js
+++ b/src/renderers/shared/reconciler/ReactUpdateQueue.js
@@ -109,8 +109,10 @@ var ReactUpdateQueue = {
     invariant(
       typeof callback === 'function',
       'enqueueCallback(...): You called `setProps`, `replaceProps`, ' +
-      '`setState`, `replaceState`, or `forceUpdate` with a callback that ' +
-      'isn\'t callable.'
+      '`setState`, `replaceState`, or `forceUpdate` with a callback of type ' +
+      '%s. A function is expected',
+      typeof callback === 'object' && Object.keys(callback).length && Object.keys(callback).length < 20 ?
+        typeof callback + ' (keys: ' + Object.keys(callback) + ')' : typeof callback
     );
     var internalInstance = getInternalInstanceReadyForUpdate(publicInstance);
 
@@ -139,8 +141,10 @@ var ReactUpdateQueue = {
     invariant(
       typeof callback === 'function',
       'enqueueCallback(...): You called `setProps`, `replaceProps`, ' +
-      '`setState`, `replaceState`, or `forceUpdate` with a callback that ' +
-      'isn\'t callable.'
+      '`setState`, `replaceState`, or `forceUpdate` with a callback of type ' +
+      '%s. A function is expected',
+      typeof callback === 'object' && Object.keys(callback).length && Object.keys(callback).length < 20 ?
+        typeof callback + ' (keys: ' + Object.keys(callback) + ')' : typeof callback
     );
     if (internalInstance._pendingCallbacks) {
       internalInstance._pendingCallbacks.push(callback);