From f36b9a579f8cd3642175bd5c13d1d2d9f03c9edf Mon Sep 17 00:00:00 2001
From: Nathanael Sensfelder <SpamShield0@MultiAgentSystems.org>
Date: Wed, 2 Jan 2019 01:49:38 +0100
Subject: Only link if it's not undefined.

---
 src/global/www/script/navigation.js |  5 ++++-
 src/global/www/script/session.js    | 14 ++++++++++----
 2 files changed, 14 insertions(+), 5 deletions(-)

(limited to 'src/global/www')

diff --git a/src/global/www/script/navigation.js b/src/global/www/script/navigation.js
index b036e03..ce2fc1b 100644
--- a/src/global/www/script/navigation.js
+++ b/src/global/www/script/navigation.js
@@ -19,5 +19,8 @@ function (url)
 tacticians_online.navigation.attach_to =
 function (app)
 {
-   app.ports.go_to.subscribe(tacticians_online.navigation.go_to);
+   if (app.ports.go_to !== undefined)
+   {
+      app.ports.go_to.subscribe(tacticians_online.navigation.go_to);
+   }
 }
diff --git a/src/global/www/script/session.js b/src/global/www/script/session.js
index 8d005b1..e6fd609 100644
--- a/src/global/www/script/session.js
+++ b/src/global/www/script/session.js
@@ -83,9 +83,15 @@ function (session)
 tacticians_online.session.attach_to =
 function (app)
 {
-   app.ports.store_new_session.subscribe(
-      tacticians_online.session.store_new_session
-   );
+   if (app.ports.store_new_session !== undefined)
+   {
+      app.ports.store_new_session.subscribe(
+         tacticians_online.session.store_new_session
+      );
+   }
 
-   app.ports.reset_session.subscribe(tacticians_online.session.reset);
+   if (app.ports.reset_session !== undefined)
+   {
+      app.ports.reset_session.subscribe(tacticians_online.session.reset);
+   }
 }
-- 
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