From 747e96714d34d1852c9916a79ddc941c97e9c9ac Mon Sep 17 00:00:00 2001
From: Tony Garnock-Jones <tonygarnockjones@gmail.com>
Date: Sun, 7 Aug 2016 21:40:00 -0400
Subject: [PATCH] Treat prop definition as damage; triggers previous
 observations of at-the-time-undefined props

---
 js/src/dataflow.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/js/src/dataflow.js b/js/src/dataflow.js
index 3adbf1a..d1c2109 100644
--- a/js/src/dataflow.js
+++ b/js/src/dataflow.js
@@ -92,6 +92,7 @@ Graph.prototype.defineObservableProperty = function (obj, prop, value, maybeOpti
       }
     }
   });
+  graph.recordDamage(objectId);
   return objectId;
 };