From e70120dde47e8caca39fabe1da1265901f7219a5 Mon Sep 17 00:00:00 2001
From: Jason Quense <monastic.panic@gmail.com>
Date: Tue, 19 Dec 2017 11:30:17 -0500
Subject: [PATCH 1/2] Remove extra loop (?)

---
 packages/react-dom/src/client/ReactDOMComponentTree.js | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/packages/react-dom/src/client/ReactDOMComponentTree.js b/packages/react-dom/src/client/ReactDOMComponentTree.js
index 3aeb3c0f529..6c810f75515 100644
--- a/packages/react-dom/src/client/ReactDOMComponentTree.js
+++ b/packages/react-dom/src/client/ReactDOMComponentTree.js
@@ -27,10 +27,7 @@ export function getClosestInstanceFromNode(node) {
     return node[internalInstanceKey];
   }
 
-  // Walk up the tree until we find an ancestor whose instance we have cached.
-  let parents = [];
   while (!node[internalInstanceKey]) {
-    parents.push(node);
     if (node.parentNode) {
       node = node.parentNode;
     } else {
@@ -40,17 +37,14 @@ export function getClosestInstanceFromNode(node) {
     }
   }
 
-  let closest;
+
   let inst = node[internalInstanceKey];
   if (inst.tag === HostComponent || inst.tag === HostText) {
     // In Fiber, this will always be the deepest root.
     return inst;
   }
-  for (; node && (inst = node[internalInstanceKey]); node = parents.pop()) {
-    closest = inst;
-  }
 
-  return closest;
+  return null;
 }
 
 /**

From d5050810a22c955a63d4244fd1f9504e44c75e00 Mon Sep 17 00:00:00 2001
From: Jason Quense <monastic.panic@gmail.com>
Date: Tue, 19 Dec 2017 11:48:55 -0500
Subject: [PATCH 2/2] prettier

---
 packages/react-dom/src/client/ReactDOMComponentTree.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/packages/react-dom/src/client/ReactDOMComponentTree.js b/packages/react-dom/src/client/ReactDOMComponentTree.js
index 6c810f75515..d9c2e2d858a 100644
--- a/packages/react-dom/src/client/ReactDOMComponentTree.js
+++ b/packages/react-dom/src/client/ReactDOMComponentTree.js
@@ -37,7 +37,6 @@ export function getClosestInstanceFromNode(node) {
     }
   }
 
-
   let inst = node[internalInstanceKey];
   if (inst.tag === HostComponent || inst.tag === HostText) {
     // In Fiber, this will always be the deepest root.