From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Thu, 21 Nov 2013 22:18:18 +0000 (+0100)
Subject: Fix a crash that happens if we were looking at a PV line while new information came in.
X-Git-Url: https://git.sesse.net/?p=remoteglot;a=commitdiff_plain;h=d757645e7300de9d75fd5d428aedacfeb426dc73

Fix a crash that happens if we were looking at a PV line while new information came in.
---

diff --git a/www/js/remoteglot.js b/www/js/remoteglot.js
index d259e27..8bb49d2 100644
--- a/www/js/remoteglot.js
+++ b/www/js/remoteglot.js
@@ -33,8 +33,12 @@ var request_update = function(board) {
 
 var clear_arrows = function() {
 	for (var i = 0; i < arrows.length; ++i) {
-		jsPlumb.detach(arrows[i].connection1);
-		jsPlumb.detach(arrows[i].connection2);
+		if (arrows[i].connection1) {
+			jsPlumb.detach(arrows[i].connection1);
+		}
+		if (arrows[i].connection2) {
+			jsPlumb.detach(arrows[i].connection2);
+		}
 	}
 	arrows = [];