Merge pull request #2889 from haslinghuis/fix_cli_autocomplete

Fix autocomplete

src/js/CliAutoComplete.js

@@ -289,12 +289,19 @@ CliAutoComplete._initTextcomplete = function() {
          * Then add `mousemove` handler. If the mouse moves we consider that mouse interaction
          * is desired so we reenable the `mouseover` handler
          */
+
+        const textCompleteDropDownElement = $('.textcomplete-dropdown');
+
         if (!savedMouseoverItemHandler) {
             // save the original 'mouseover' handeler
-            savedMouseoverItemHandler = $._data($('.textcomplete-dropdown')[0], 'events').mouseover[0].handler;
+            try {
+                savedMouseoverItemHandler = $._data(textCompleteDropDownElement[0], 'events').mouseover[0].handler;
+            } catch (error) {
+                console.log(error);
             }
 
-        $('.textcomplete-dropdown')
+            if (savedMouseoverItemHandler) {
+                textCompleteDropDownElement
                 .off('mouseover') // initially disable it
                 .off('mousemove') // avoid `mousemove` accumulation if previous show did not trigger `mousemove`
                 .on('mousemove', '.textcomplete-item', function(e) {
@@ -306,6 +313,8 @@ CliAutoComplete._initTextcomplete = function() {
                     // trigger the mouseover handler to select the item under the cursor
                     savedMouseoverItemHandler(e);
                 });
+            }
+        }
     });
 
     // textcomplete autocomplete strategies