Check whether controlbox exists before assigning

5054ecca · JC Brand · f387c947 · 5054ecca
Commit 5054ecca authored May 24, 2019 by JC Brand
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Showing with 25 additions and 25 deletions

src/converse-muc-views.js src/converse-muc-views.js +25 -25

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--- a/src/converse-muc-views.js
+++ b/src/converse-muc-views.js
@@ -97,9 +97,7 @@ converse.plugins.add('converse-muc-views', {
        });


-        Object.assign(_converse.ControlBoxView.prototype, {
-
-            renderRoomsPanel () {
+        function renderRoomsPanel () {
            if (this.roomspanel && u.isVisible(this.roomspanel.el)) {
                return;
            }
@@ -122,7 +120,9 @@ converse.plugins.add('converse-muc-views', {
             */
            _converse.api.trigger('roomsPanelRendered');
        }
-        });
+        if (_converse.ControlBoxView) {
+            Object.assign(_converse.ControlBoxView.prototype, { renderRoomsPanel });
+        }


        function ___ (str) {