From 8ae3ee382f2ba4920d27d770699a840b3d6490e3 Mon Sep 17 00:00:00 2001
From: hardfist <yangjianzju@gmail.com>
Date: Fri, 6 Oct 2017 19:54:08 -0500
Subject: [PATCH 1/2] Update implementation-notes.md

prevChild could be CompositeComponent which cause prevChild.node to be undefined.
---
 content/docs/implementation-notes.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/content/docs/implementation-notes.md b/content/docs/implementation-notes.md
index 0c795a1b..b1d7cd4d 100644
--- a/content/docs/implementation-notes.md
+++ b/content/docs/implementation-notes.md
@@ -750,7 +750,7 @@ We collect DOM operations on children in a list so we can execute them in batch:
       // If we can't update an existing instance, we have to unmount it
       // and mount a new one instead of it.
       if (!canUpdate) {
-        var prevNode = prevChild.node;
+        var prevNode = prevChild.getHostNode();
         prevChild.unmount();
 
         var nextChild = instantiateComponent(nextChildren[i]);
@@ -771,7 +771,7 @@ We collect DOM operations on children in a list so we can execute them in batch:
     // Finally, unmount any children that don't exist:
     for (var j = nextChildren.length; j < prevChildren.length; j++) {
      var prevChild = prevRenderedChildren[j];
-     var node = prevChild.node;
+     var node = prevChild.getHostNode();
      prevChild.unmount();
 
      // Record that we need to remove the node

From ca77459159a692a2845d534c60c8ffa10e5eedfe Mon Sep 17 00:00:00 2001
From: hardfist <yangjianzju@gmail.com>
Date: Fri, 6 Oct 2017 22:19:15 -0500
Subject: [PATCH 2/2] Update implementation-notes.md

fix indentation problem
---
 content/docs/implementation-notes.md | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/content/docs/implementation-notes.md b/content/docs/implementation-notes.md
index b1d7cd4d..86b1297a 100644
--- a/content/docs/implementation-notes.md
+++ b/content/docs/implementation-notes.md
@@ -770,12 +770,12 @@ We collect DOM operations on children in a list so we can execute them in batch:
 
     // Finally, unmount any children that don't exist:
     for (var j = nextChildren.length; j < prevChildren.length; j++) {
-     var prevChild = prevRenderedChildren[j];
-     var node = prevChild.getHostNode();
-     prevChild.unmount();
+      var prevChild = prevRenderedChildren[j];
+      var node = prevChild.getHostNode();
+      prevChild.unmount();
 
-     // Record that we need to remove the node
-     operationQueue.push({type: 'REMOVE', node});
+      // Record that we need to remove the node
+      operationQueue.push({type: 'REMOVE', node});
     }
 
     // Point the list of rendered children to the updated version.