From aebf989e8d8491bb3721a46ed624bf49d91f30e0 Mon Sep 17 00:00:00 2001
From: Tony Garnock-Jones <tonygarnockjones@gmail.com>
Date: Sun, 16 Dec 2018 06:50:52 +0000
Subject: [PATCH] Prevent wrapExternal from triggering if recipient facet is no
 longer alive

---
 packages/core/src/dataspace.js | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/packages/core/src/dataspace.js b/packages/core/src/dataspace.js
index e842d2e..5c729d2 100644
--- a/packages/core/src/dataspace.js
+++ b/packages/core/src/dataspace.js
@@ -100,13 +100,15 @@ Dataspace.wrapExternal = function (f) {
   let savedFacet = Dataspace._currentFacet;
   let ac = savedFacet.actor;
   return function () {
-    let actuals = arguments;
-    ac.dataspace.start();
-    ac.pushScript(function () {
-      Dataspace.withCurrentFacet(savedFacet, function () {
-        f.apply(this, actuals);
+    if (savedFacet.isLive) {
+      let actuals = arguments;
+      ac.dataspace.start();
+      ac.pushScript(function () {
+        Dataspace.withCurrentFacet(savedFacet, function () {
+          f.apply(this, actuals);
+        });
       });
-    });
+    }
   };
 };