From 3bf12bba0d650383c5b9a9140f2aa2d034e7a017 Mon Sep 17 00:00:00 2001
From: Paul O'Shannessy <poshannessy@fb.com>
Date: Fri, 11 Apr 2014 16:36:54 -0700
Subject: [PATCH] add displayName to component spec functions

closes #992
---
 src/core/ReactCompositeComponent.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/core/ReactCompositeComponent.js b/src/core/ReactCompositeComponent.js
index f6681d44f7..c4b71d7ef0 100644
--- a/src/core/ReactCompositeComponent.js
+++ b/src/core/ReactCompositeComponent.js
@@ -494,6 +494,13 @@ function mixSpecIntoComponent(ConvenienceConstructor, spec) {
           }
         } else {
           proto[name] = property;
+          if (__DEV__) {
+            // Add verbose displayName to the function, which helps when looking
+            // at profiling tools.
+            if (typeof property === 'function' && spec.displayName) {
+              proto[name].displayName = spec.displayName + '_' + name;
+            }
+          }
         }
       }
     }