From daf6a798c428845d1fba7635cb7a033b8c0870a1 Mon Sep 17 00:00:00 2001
From: jdlrobson <jdlrobson@gmail.com>
Date: Wed, 10 Feb 2021 17:45:43 -0800
Subject: [PATCH] TypeError: data.collapseCondition is not a function

Lots of logspam relating to this error. If data is {}
this error will be thrown which is possible given the
code.

This is possible if a gadget rewrites tabs

e.g.
$( '#p-views ul' ).remove().append($('<ul>'))

Change-Id: I0d3f391fccdb38758fb3cfd7e84889143d479b1e
---
 resources/skins.vector.legacy.js/collapsibleTabs.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/resources/skins.vector.legacy.js/collapsibleTabs.js b/resources/skins.vector.legacy.js/collapsibleTabs.js
index c52151e5e..3fc0a11b3 100644
--- a/resources/skins.vector.legacy.js/collapsibleTabs.js
+++ b/resources/skins.vector.legacy.js/collapsibleTabs.js
@@ -94,7 +94,7 @@ function init() {
 				var $tab,
 					data = $.collapsibleTabs.getSettings( $el );
 
-				if ( data.shifting ) {
+				if ( $.isEmptyObject( data ) || data.shifting ) {
 					return;
 				}