From 2bc2b52eaa7f541dd3ad30ede41e2a8dba74d9c8 Mon Sep 17 00:00:00 2001
From: CommitSyncScript <jeffmo@fb.com>
Date: Fri, 21 Jun 2013 13:53:25 -0700
Subject: [PATCH] Allow accessing siblings by ref

This makes it possible to write a wider range of components without
depending on internal implementations.
---
 src/core/ReactComponent.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/core/ReactComponent.js b/src/core/ReactComponent.js
index 530a6f9c66..d312881068 100644
--- a/src/core/ReactComponent.js
+++ b/src/core/ReactComponent.js
@@ -564,6 +564,22 @@ var ReactComponent = {
      */
     isOwnedBy: function(owner) {
       return this.props[OWNER] === owner;
+    },
+
+    /**
+     * Gets another component, that shares the same owner as this one, by ref.
+     *
+     * @param {string} ref of a sibling Component.
+     * @return {?ReactComponent} the actual sibling Component.
+     * @final
+     * @internal
+     */
+    getSiblingByRef: function(ref) {
+      var owner = this.props[OWNER];
+      if (!owner || !owner.refs) {
+        return null;
+      }
+      return owner.refs[ref];
     }
 
   }