From de8e8806da81961ab11e5c898ed1203a6017d0cf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mikel=20Mart=C3=ADn?= <mikel@moodle.com>
Date: Fri, 24 Jan 2025 12:57:14 +0100
Subject: [PATCH 1/2] MDL-84324 core: Add jQuery compatibility for BS5
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

You don’t need jQuery in Bootstrap 5, but it’s still possible to use our components with jQuery.
If Bootstrap detects jQuery in the window object, it’ll add all of our components in jQuery’s plugin system.
This allows you to do the following:
$('#myTooltip').tooltip('show')
---
 lib/amd/build/first.min.js     | 2 +-
 lib/amd/build/first.min.js.map | 2 +-
 lib/amd/src/first.js           | 6 ++++++
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/amd/build/first.min.js b/lib/amd/build/first.min.js
index 159471424a8..5fffdf1868c 100644
--- a/lib/amd/build/first.min.js
+++ b/lib/amd/build/first.min.js
@@ -11,6 +11,6 @@ define("core/first",["jquery"],(function(_jquery){var obj;
    * @copyright  2015 Damyon Wiese <damyon@moodle.com>
    * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
    * @since      2.9
-   */(0,(_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj}).default)(document).bind("ajaxStart",(function(){M.util.js_pending("jq")})).bind("ajaxStop",(function(){M.util.js_complete("jq")}))}));
+   */(0,(_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj}).default)(document).bind("ajaxStart",(function(){M.util.js_pending("jq")})).bind("ajaxStop",(function(){M.util.js_complete("jq")})),window.jQuery=_jquery.default}));
 
 //# sourceMappingURL=first.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/first.min.js.map b/lib/amd/build/first.min.js.map
index 3c44137db98..f265fea6604 100644
--- a/lib/amd/build/first.min.js.map
+++ b/lib/amd/build/first.min.js.map
@@ -1 +1 @@
-{"version":3,"file":"first.min.js","sources":["../src/first.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This is an empty module, that is required before all other modules.\n * Because every module is returned from a request for any other module, this\n * forces the loading of all modules with a single request.\n *\n * This function also sets up the listeners for ajax requests so we can tell\n * if any requests are still in progress.\n *\n * @module     core/first\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\n\nimport $ from 'jquery';\n\n$(document)\n.bind(\"ajaxStart\", function() {\n    M.util.js_pending('jq');\n})\n.bind(\"ajaxStop\", function() {\n    M.util.js_complete('jq');\n});\n"],"names":["document","bind","M","util","js_pending","js_complete"],"mappings":";;;;;;;;;;;;;2EA+BEA,UACDC,KAAK,aAAa,WACfC,EAAEC,KAAKC,WAAW,SAErBH,KAAK,YAAY,WACdC,EAAEC,KAAKE,YAAY"}
\ No newline at end of file
+{"version":3,"file":"first.min.js","sources":["../src/first.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This is an empty module, that is required before all other modules.\n * Because every module is returned from a request for any other module, this\n * forces the loading of all modules with a single request.\n *\n * This function also sets up the listeners for ajax requests so we can tell\n * if any requests are still in progress.\n *\n * @module     core/first\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\n\nimport $ from 'jquery';\n\n$(document)\n.bind(\"ajaxStart\", function() {\n    M.util.js_pending('jq');\n})\n.bind(\"ajaxStop\", function() {\n    M.util.js_complete('jq');\n});\n\n// TODO: MDL-84465 Final deprecation in 6.0.\n// Attach jQuery to the window object for Bootstrap backwards compatibility.\n// Bootstrap 5 is designed to be used without jQuery, but it’s still possible to use our components with jQuery.\n// If Bootstrap detects jQuery in the window object it’ll add all of our components in jQuery’s plugin system.\nwindow.jQuery = $;\n"],"names":["document","bind","M","util","js_pending","js_complete","window","jQuery","$"],"mappings":";;;;;;;;;;;;;2EA+BEA,UACDC,KAAK,aAAa,WACfC,EAAEC,KAAKC,WAAW,SAErBH,KAAK,YAAY,WACdC,EAAEC,KAAKE,YAAY,SAOvBC,OAAOC,OAASC"}
\ No newline at end of file
diff --git a/lib/amd/src/first.js b/lib/amd/src/first.js
index 1b35e752ed1..e83243bdc2a 100644
--- a/lib/amd/src/first.js
+++ b/lib/amd/src/first.js
@@ -36,3 +36,9 @@ $(document)
 .bind("ajaxStop", function() {
     M.util.js_complete('jq');
 });
+
+// TODO: MDL-84465 Final deprecation in 6.0.
+// Attach jQuery to the window object for Bootstrap backwards compatibility.
+// Bootstrap 5 is designed to be used without jQuery, but it’s still possible to use our components with jQuery.
+// If Bootstrap detects jQuery in the window object it’ll add all of our components in jQuery’s plugin system.
+window.jQuery = $;

From ac146ac14e6b46837f1863092ff0f835196e992d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mikel=20Mart=C3=ADn?= <mikel@moodle.com>
Date: Mon, 3 Feb 2025 15:30:46 +0100
Subject: [PATCH 2/2] MDL-84324 core: Fix Bootstrap dropdown key listeners

Bootstrap EventHandler is managing the keydown event at document
level in the capture phase. That is conflicting with dropdown elements
with form autocomplete inputs inside, because when suggestions panel is
open, pressing the "Esc" key will close the whole dropdown.
This commit fixes that behaviour by realocating the Bootsrap dropdown
event listener to the body instead of the document.
---
 lib/amd/build/form-autocomplete.min.js     |  2 +-
 lib/amd/build/form-autocomplete.min.js.map |  2 +-
 lib/amd/src/form-autocomplete.js           | 14 +++++++++++++-
 theme/boost/amd/build/aria.min.js          |  2 +-
 theme/boost/amd/build/aria.min.js.map      |  2 +-
 theme/boost/amd/build/loader.min.js        |  4 ++--
 theme/boost/amd/build/loader.min.js.map    |  2 +-
 theme/boost/amd/src/aria.js                | 17 -----------------
 theme/boost/amd/src/loader.js              | 19 +++++++++++++++++++
 9 files changed, 39 insertions(+), 25 deletions(-)

diff --git a/lib/amd/build/form-autocomplete.min.js b/lib/amd/build/form-autocomplete.min.js
index 7d3d7b497cd..df5994acbe3 100644
--- a/lib/amd/build/form-autocomplete.min.js
+++ b/lib/amd/build/form-autocomplete.min.js
@@ -6,6 +6,6 @@
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  * @since      3.0
  */
-define("core/form-autocomplete",["jquery","core/log","core/str","core/templates","core/notification","core/loadingicon","core/aria","core_form/changechecker","core/popper2"],(function($,log,str,templates,notification,LoadingIcon,Aria,FormChangeChecker,Popper){var KEYS_DOWN=40,KEYS_ENTER=13,KEYS_SPACE=32,KEYS_ESCAPE=27,KEYS_COMMA=44,KEYS_UP=38,KEYS_LEFT=37,KEYS_RIGHT=39,uniqueId=Date.now(),activateSelection=function(index,state){var selectionElement=$(document.getElementById(state.selectionId));index=wrapListIndex(index,selectionElement.children("[aria-selected=true]").length);var element=$(selectionElement.children("[aria-selected=true]").get(index)),itemId=state.selectionId+"-"+index;return selectionElement.children().attr("data-active-selection",null).attr("id",""),element.attr("data-active-selection",!0).attr("id",itemId),selectionElement.attr("aria-activedescendant",itemId),selectionElement.attr("data-active-value",element.attr("data-value")),$.Deferred().resolve()},updateActiveSelectionFromState=function(state){var activeElement=function(state){var _selectionRegion$attr,selectionRegion=$(document.getElementById(state.selectionId)),activeId=selectionRegion.attr("aria-activedescendant");if(activeId){var activeElement=$(document.getElementById(activeId));if(activeElement.length)return activeElement}var activeValue=null===(_selectionRegion$attr=selectionRegion.attr("data-active-value"))||void 0===_selectionRegion$attr?void 0:_selectionRegion$attr.replace(/"/g,'\\"');return selectionRegion.find('[data-value="'+activeValue+'"]')}(state),activeValue=activeElement.attr("data-value"),selectionRegion=$(document.getElementById(state.selectionId));if(activeValue){var activeIndex=selectionRegion.find("[aria-selected=true]").index(activeElement);if(-1!==activeIndex)return void activateSelection(activeIndex,state)}activateSelection(0,state)},updateSelectionList=function(options,state,originalSelect){var pendingKey="form-autocomplete-updateSelectionList-"+state.inputId;M.util.js_pending(pendingKey);var items=rebuildOptions(originalSelect.children("option:selected"),!1),newSelection=$(document.getElementById(state.selectionId));if(!hasItemListChanged(state,items))return M.util.js_complete(pendingKey),Promise.resolve();state.items=items;var context=$.extend(options,state);return templates.render(options.templates.items,context).then((function(html,js){templates.replaceNodeContents(newSelection,html,js),updateActiveSelectionFromState(state)})).then((function(){return M.util.js_complete(pendingKey)})).catch(notification.exception)},hasItemListChanged=function(state,items){return state.items.length!==items.length||state.items.filter((item=>-1===items.indexOf(item))).length>0},notifyChange=function(originalSelect){FormChangeChecker.markFormChangedFromNode(originalSelect[0]),originalSelect[0].dispatchEvent(new Event("change",{bubbles:!0}))},deselectItem=function(options,state,item,originalSelect){var selectedItemValue=$(item).attr("data-value");return void 0!==originalSelect.find("option").first().attr("value")&&originalSelect.prepend($("<option>")),originalSelect.children("option").each((function(index,ele){$(ele).attr("value")==selectedItemValue&&($(ele).prop("selected",!1),$(ele).attr("data-iscustom")&&$(ele).remove())})),updateSelectionList(options,state,originalSelect).then((function(){notifyChange(originalSelect)}))},activateItem=function(index,state){var inputElement=$(document.getElementById(state.inputId)),suggestionsElement=$(document.getElementById(state.suggestionsId)),length=suggestionsElement.children(":not([aria-hidden])").length;for(index%=length;index<0;)index+=length;var element=$(suggestionsElement.children(":not([aria-hidden])").get(index)),globalIndex=$(suggestionsElement.children("[role=option]")).index(element),itemId=state.suggestionsId+"-"+globalIndex;suggestionsElement.children().attr("aria-selected",!1).attr("id",""),element.attr("aria-selected",!0).attr("id",itemId),inputElement.attr("aria-activedescendant",itemId);var scrollPos=element.offset().top-suggestionsElement.offset().top+suggestionsElement.scrollTop()-suggestionsElement.height()/2;return suggestionsElement.animate({scrollTop:scrollPos},100).promise()},getCurrentItem=function(suggestionsElement){var element=suggestionsElement.children("[aria-selected=true]");return suggestionsElement.children(":not([aria-hidden])").index(element)},wrapListIndex=function(index,length){for(index%=length;index<0;)index+=length;return index},getNextEnabledItem=function(current,suggestions){var nextIndex=wrapListIndex(current+1,suggestions.length);return suggestions[nextIndex].getAttribute("aria-disabled")?getNextEnabledItem(nextIndex,suggestions):nextIndex},getPreviousEnabledItem=function(current,suggestions){var previousIndex=wrapListIndex(current-1,suggestions.length);return suggestions[previousIndex].getAttribute("aria-disabled")?getPreviousEnabledItem(previousIndex,suggestions):previousIndex},rebuildOptions=function(originalOptions,includeEmpty){var options=[];return originalOptions.each((function(index,ele){var label;label=$(ele).data("html")?$(ele).data("html"):$(ele).html(),(includeEmpty||""!==label)&&options.push({label:label,value:$(ele).attr("value"),disabled:ele.disabled,classes:ele.classList})})),options},closeSuggestions=function(state){var inputElement=$(document.getElementById(state.inputId)),suggestionsElement=$(document.getElementById(state.suggestionsId));return"true"===inputElement.attr("aria-expanded")&&inputElement.attr("aria-expanded",!1),inputElement.attr("aria-activedescendant",state.selectionId),Aria.hide(suggestionsElement.get()),suggestionsElement.hide(),$.Deferred().resolve()},updateSuggestions=function(options,state,query,originalSelect){var pendingKey="form-autocomplete-updateSuggestions-"+state.inputId;M.util.js_pending(pendingKey);var inputElement=$(document.getElementById(state.inputId)),suggestionsElement=$(document.getElementById(state.suggestionsId)),matchingElements=!1,suggestions=rebuildOptions(originalSelect.children('option:not(:selected, [data-enabled="disabled"])'),!0),searchquery=state.caseSensitive?query:query.toLocaleLowerCase(),context=$.extend({options:suggestions},options,state);return templates.render("core/form_autocomplete_suggestions",context).then((function(html,js){return templates.replaceNode(suggestionsElement,html,js),suggestionsElement=$(document.getElementById(state.suggestionsId)),Aria.unhide(suggestionsElement.get()),Popper.createPopper(inputElement[0],suggestionsElement[0],{placement:"bottom-start",modifiers:[{name:"flip",enabled:!1}]}),suggestionsElement.children().each((function(index,node){node=$(node),options.caseSensitive&&node.text().indexOf(searchquery)>-1||!options.caseSensitive&&node.text().toLocaleLowerCase().indexOf(searchquery)>-1?(Aria.unhide(node.get()),node.show(),matchingElements=!0):(node.hide(),Aria.hide(node.get()))})),inputElement.attr("aria-expanded",!0),originalSelect.attr("data-notice")?suggestionsElement.html(originalSelect.attr("data-notice")):matchingElements?options.tags||activateItem(0,state):str.get_string("nosuggestions","form").done((function(nosuggestionsstr){suggestionsElement.html(nosuggestionsstr)})),suggestionsElement})).then((function(){return M.util.js_complete(pendingKey)})).catch(notification.exception)},createItem=function(options,state,originalSelect){var inputElement=$(document.getElementById(state.inputId)),tags=inputElement.val().split(","),found=!1;return $.each(tags,(function(tagindex,tag){if(""!==(tag=tag.trim())&&(options.multiple||originalSelect.children("option").prop("selected",!1),originalSelect.children("option").each((function(index,ele){$(ele).attr("value")==tag&&(found=!0,$(ele).prop("selected",!0))})),!found)){var option=$("<option>");option.append(document.createTextNode(tag)),option.attr("value",tag),originalSelect.append(option),option.prop("selected",!0),option.attr("data-iscustom",!0)}})),updateSelectionList(options,state,originalSelect).then((function(){notifyChange(originalSelect)})).then((function(){inputElement.val("")})).then((function(){return closeSuggestions(state)}))},selectCurrentItem=function(options,state,originalSelect){var inputElement=$(document.getElementById(state.inputId)),selectedItemValue=$(document.getElementById(state.suggestionsId)).children("[aria-selected=true]").attr("data-value");return options.multiple||originalSelect.children("option").prop("selected",!1),originalSelect.children("option").each((function(index,ele){$(ele).attr("value")==selectedItemValue&&$(ele).prop("selected",!0)})),updateSelectionList(options,state,originalSelect).then((function(){notifyChange(originalSelect)})).then((function(){return options.closeSuggestionsOnSelect?(inputElement.val(""),closeSuggestions(state)):(inputElement.focus(),updateSuggestions(options,state,inputElement.val(),originalSelect))}))},updateAjax=function(e,options,state,originalSelect,ajaxHandler){var pendingPromise=addPendingJSPromise("updateAjax"),parentElement=$(document.getElementById(state.selectId)).parent();LoadingIcon.addIconToContainerRemoveOnCompletion(parentElement,pendingPromise);var query=$(e.currentTarget).val();return ajaxHandler.transport(options.selector,query,(function(results){var processedResults=ajaxHandler.processResults(options.selector,results),existingValues=[];if(originalSelect.children("option").each((function(optionIndex,option){(option=$(option)).prop("selected")?existingValues.push(String(option.attr("value"))):option.remove()})),!options.multiple&&0===originalSelect.children("option").length){var option=$("<option>");originalSelect.append(option)}$.isArray(processedResults)?($.each(processedResults,(function(resultIndex,result){if(-1===existingValues.indexOf(String(result.value))){var option=$("<option>");option.append(result.label),option.attr("value",result.value),originalSelect.append(option)}})),originalSelect.attr("data-notice","")):originalSelect.attr("data-notice",processedResults),pendingPromise.resolve(updateSuggestions(options,state,"",originalSelect))}),(function(error){pendingPromise.reject(error)})),pendingPromise},addNavigation=function(options,state,originalSelect){var inputElement=$(document.getElementById(state.inputId));(inputElement.on("keydown",(function(e){var pendingJsPromise=addPendingJSPromise("addNavigation-"+state.inputId+"-"+e.keyCode);switch(e.keyCode){case KEYS_DOWN:return options.showSuggestions?("true"===inputElement.attr("aria-expanded")?pendingJsPromise.resolve(function(state){var suggestionsElement=$(document.getElementById(state.suggestionsId)),suggestions=suggestionsElement.children(":not([aria-hidden])"),current=getCurrentItem(suggestionsElement);return activateItem(getNextEnabledItem(current,suggestions),state)}(state)):!inputElement.val()&&options.ajax?require([options.ajax],(function(ajaxHandler){pendingJsPromise.resolve(updateAjax(e,options,state,originalSelect,ajaxHandler))})):pendingJsPromise.resolve(updateSuggestions(options,state,inputElement.val(),originalSelect)),e.preventDefault(),!1):(pendingJsPromise.resolve(),!0);case KEYS_UP:return pendingJsPromise.resolve(function(state){var suggestionsElement=$(document.getElementById(state.suggestionsId)),suggestions=suggestionsElement.children(":not([aria-hidden])"),current=getCurrentItem(suggestionsElement);return activateItem(getPreviousEnabledItem(current,suggestions),state)}(state)),e.preventDefault(),!1;case KEYS_ENTER:var suggestionsElement=$(document.getElementById(state.suggestionsId));return"true"===inputElement.attr("aria-expanded")&&suggestionsElement.children("[aria-selected=true]").length>0?pendingJsPromise.resolve(selectCurrentItem(options,state,originalSelect)):options.tags?pendingJsPromise.resolve(createItem(options,state,originalSelect)):pendingJsPromise.resolve(),e.preventDefault(),!1;case KEYS_ESCAPE:return"true"===inputElement.attr("aria-expanded")?pendingJsPromise.resolve(closeSuggestions(state)):pendingJsPromise.resolve(),e.preventDefault(),!1}return pendingJsPromise.resolve(),!0})),inputElement.on("keypress",(function(e){return e.keyCode!==KEYS_COMMA||(options.tags&&addPendingJSPromise("keypress-"+e.keyCode).resolve(createItem(options,state,originalSelect)),e.preventDefault(),!1)})),inputElement.closest("form").on("submit",(function(){return options.tags&&addPendingJSPromise("form-autocomplete-submit").resolve(createItem(options,state,originalSelect)),!0})),inputElement.on("blur",(function(){var pendingPromise=addPendingJSPromise("form-autocomplete-blur");window.setTimeout((function(){var focusElement=$(document.activeElement),timeoutPromise=$.Deferred();focusElement.is(document.getElementById(state.suggestionsId))?inputElement.focus():!focusElement.is(inputElement)&&$(document.getElementById(state.inputId)).length&&(options.tags&&timeoutPromise.then((function(){return createItem(options,state,originalSelect)})).catch(),timeoutPromise.then((function(){return closeSuggestions(state)})).catch()),timeoutPromise.then((function(){return pendingPromise.resolve()})).catch(),timeoutPromise.resolve()}),500)})),options.showSuggestions)&&$(document.getElementById(state.downArrowId)).on("click",(function(e){var pendingPromise=addPendingJSPromise("form-autocomplete-show-suggestions");inputElement.focus(),!inputElement.val()&&options.ajax?require([options.ajax],(function(ajaxHandler){pendingPromise.resolve(updateAjax(e,options,state,originalSelect,ajaxHandler))})):pendingPromise.resolve(updateSuggestions(options,state,inputElement.val(),originalSelect))}));var suggestionsElement=$(document.getElementById(state.suggestionsId));suggestionsElement.parent().prop("onclick",null).off("click"),suggestionsElement.parent().on("click","#".concat(state.suggestionsId," [role=option]"),(function(e){var pendingPromise=addPendingJSPromise("form-autocomplete-parent"),element=$(e.currentTarget).closest("[role=option]"),current=$(document.getElementById(state.suggestionsId)).children(":not([aria-hidden])").index(element);activateItem(current,state).then((function(){return selectCurrentItem(options,state,originalSelect)})).then((function(){return pendingPromise.resolve()})).catch()}));var selectionElement=$(document.getElementById(state.selectionId));selectionElement.on("click","[role=option]",(function(e){addPendingJSPromise("form-autocomplete-clicks").resolve(deselectItem(options,state,$(e.currentTarget),originalSelect))})),selectionElement.on("focus",(function(){updateActiveSelectionFromState(state)})),selectionElement.on("keydown",(function(e){var pendingPromise=addPendingJSPromise("form-autocomplete-keydown-"+e.keyCode);switch(e.keyCode){case KEYS_RIGHT:case KEYS_DOWN:return e.preventDefault(),void pendingPromise.resolve(function(state){var selectionsElement=$(document.getElementById(state.selectionId)),element=selectionsElement.children("[data-active-selection]"),current=0;return element?(current=selectionsElement.children("[aria-selected=true]").index(element),current+=1):current=0,activateSelection(current,state)}(state));case KEYS_LEFT:case KEYS_UP:return e.preventDefault(),void pendingPromise.resolve(function(state){var selectionsElement=$(document.getElementById(state.selectionId)),element=selectionsElement.children("[data-active-selection]");if(!element)return activateSelection(0,state);var current=selectionsElement.children("[aria-selected=true]").index(element);return activateSelection(current-1,state)}(state));case KEYS_SPACE:case KEYS_ENTER:var selectedItem=$(document.getElementById(state.selectionId)).children("[data-active-selection]");return void(selectedItem&&(e.preventDefault(),pendingPromise.resolve(deselectItem(options,state,selectedItem,originalSelect))))}pendingPromise.resolve()})),options.showSuggestions&&(inputElement.on("focus",(function(e){var query=$(e.currentTarget).val();$(e.currentTarget).data("last-value",query)})),options.ajax?require([options.ajax],(function(ajaxHandler){var throttleTimeout=null,inProgress=!1,pendingKey="autocomplete-throttledhandler",handler=function(e){throttleTimeout=null,inProgress=!0,updateAjax(e,options,state,originalSelect,ajaxHandler).then((function(){return null===throttleTimeout&&M.util.js_complete(pendingKey),inProgress=!1,arguments[0]})).catch(notification.exception)},throttledHandler=function(e){window.clearTimeout(throttleTimeout),inProgress?throttleTimeout=window.setTimeout(throttledHandler.bind(this,e),100):(null===throttleTimeout&&M.util.js_pending(pendingKey),throttleTimeout=window.setTimeout(handler.bind(this,e),300))};inputElement.on("input",(function(e){var query=$(e.currentTarget).val();$(e.currentTarget).data("last-value")!==query&&throttledHandler(e),$(e.currentTarget).data("last-value",query)}))})):inputElement.on("input",(function(e){var query=$(e.currentTarget).val();$(e.currentTarget).data("last-value")!==query&&updateSuggestions(options,state,query,originalSelect),$(e.currentTarget).data("last-value",query)})))},addPendingJSPromise=function(key){var pendingKey="form-autocomplete:"+key;M.util.js_pending(pendingKey);var pendingPromise=$.Deferred();return pendingPromise.then((function(){return M.util.js_complete(pendingKey),arguments[0]})).catch(notification.exception),pendingPromise},enhanceField=async function(selector,tags,ajax,placeholder,caseSensitive,showSuggestions,noSelectionString,closeSuggestionsOnSelect,templateOverrides){var _originalSelect$,options={selector:selector,tags:!1,ajax:!1,placeholder:await placeholder,caseSensitive:!1,showSuggestions:!0,noSelectionString:await noSelectionString,templates:$.extend({input:"core/form_autocomplete_input",items:"core/form_autocomplete_selection_items",layout:"core/form_autocomplete_layout",selection:"core/form_autocomplete_selection",suggestions:"core/form_autocomplete_suggestions"},templateOverrides)},pendingKey="autocomplete-setup-"+selector;M.util.js_pending(pendingKey),void 0!==tags&&(options.tags=tags),void 0!==ajax&&(options.ajax=ajax),void 0!==caseSensitive&&(options.caseSensitive=caseSensitive),void 0!==showSuggestions&&(options.showSuggestions=showSuggestions),void 0===noSelectionString&&str.get_string("noselection","form").done((function(result){options.noSelectionString=result})).fail(notification.exception);var originalSelect=$(selector);if(!originalSelect)return log.debug("Selector not found: "+selector),M.util.js_complete(pendingKey),!1;if("enhanced"===originalSelect.data("enhanced"))return M.util.js_complete(pendingKey),!1;originalSelect.data("enhanced","enhanced"),Aria.hide(originalSelect.get()),originalSelect.css("visibility","hidden");var state={selectId:originalSelect.attr("id"),inputId:"form_autocomplete_input-"+uniqueId,suggestionsId:"form_autocomplete_suggestions-"+uniqueId,selectionId:"form_autocomplete_selection-"+uniqueId,downArrowId:"form_autocomplete_downarrow-"+uniqueId,items:[],required:"true"===(null===(_originalSelect$=originalSelect[0])||void 0===_originalSelect$?void 0:_originalSelect$.ariaRequired)};uniqueId++,options.multiple=originalSelect.attr("multiple"),options.multiple||originalSelect.prepend("<option>"),options.closeSuggestionsOnSelect=void 0!==closeSuggestionsOnSelect?closeSuggestionsOnSelect:!options.multiple;var originalLabel=$("[for="+state.selectId+"]"),suggestions=rebuildOptions(originalSelect.children("option"),!0),context=$.extend({},options,state);context.options=suggestions,context.items=[];var collectedjs="",renderLayout=templates.render(options.templates.layout,{}).then((function(html){return $(html)})),renderInput=templates.render(options.templates.input,context).then((function(html,js){return collectedjs+=js,$(html)})),renderDatalist=templates.render(options.templates.suggestions,context).then((function(html,js){return collectedjs+=js,$(html)})),renderSelection=templates.render(options.templates.selection,context).then((function(html,js){return collectedjs+=js,$(html)}));return Promise.all([renderLayout,renderInput,renderDatalist,renderSelection]).then((function(_ref){let[layout,input,suggestions,selection]=_ref;originalSelect.hide();var container=originalSelect.parent();input.find("input").attr("data-fieldtype","autocomplete"),container.append(layout),container.find('[data-region="form_autocomplete-input"]').replaceWith(input),container.find('[data-region="form_autocomplete-suggestions"]').replaceWith(suggestions),container.find('[data-region="form_autocomplete-selection"]').replaceWith(selection),templates.runTemplateJS(collectedjs),originalLabel.attr("for",state.inputId),addNavigation(options,state,originalSelect);var suggestionsElement=$(document.getElementById(state.suggestionsId));suggestionsElement.hide(),Aria.hide(suggestionsElement.get())})).then((function(){return updateSelectionList(options,state,originalSelect)})).then((function(){return M.util.js_complete(pendingKey)})).catch((function(error){M.util.js_complete(pendingKey),notification.exception(error)}))};return{enhanceField:enhanceField,enhance:function(){return $.when(enhanceField(...arguments))}}}));
+define("core/form-autocomplete",["jquery","core/log","core/str","core/templates","core/notification","core/loadingicon","core/aria","core_form/changechecker","core/popper2","theme_boost/bootstrap/dom/event-handler"],(function($,log,str,templates,notification,LoadingIcon,Aria,FormChangeChecker,Popper,EventHandler){var KEYS_DOWN=40,KEYS_ENTER=13,KEYS_SPACE=32,KEYS_ESCAPE=27,KEYS_COMMA=44,KEYS_UP=38,KEYS_LEFT=37,KEYS_RIGHT=39,uniqueId=Date.now(),activateSelection=function(index,state){var selectionElement=$(document.getElementById(state.selectionId));index=wrapListIndex(index,selectionElement.children("[aria-selected=true]").length);var element=$(selectionElement.children("[aria-selected=true]").get(index)),itemId=state.selectionId+"-"+index;return selectionElement.children().attr("data-active-selection",null).attr("id",""),element.attr("data-active-selection",!0).attr("id",itemId),selectionElement.attr("aria-activedescendant",itemId),selectionElement.attr("data-active-value",element.attr("data-value")),$.Deferred().resolve()},updateActiveSelectionFromState=function(state){var activeElement=function(state){var _selectionRegion$attr,selectionRegion=$(document.getElementById(state.selectionId)),activeId=selectionRegion.attr("aria-activedescendant");if(activeId){var activeElement=$(document.getElementById(activeId));if(activeElement.length)return activeElement}var activeValue=null===(_selectionRegion$attr=selectionRegion.attr("data-active-value"))||void 0===_selectionRegion$attr?void 0:_selectionRegion$attr.replace(/"/g,'\\"');return selectionRegion.find('[data-value="'+activeValue+'"]')}(state),activeValue=activeElement.attr("data-value"),selectionRegion=$(document.getElementById(state.selectionId));if(activeValue){var activeIndex=selectionRegion.find("[aria-selected=true]").index(activeElement);if(-1!==activeIndex)return void activateSelection(activeIndex,state)}activateSelection(0,state)},updateSelectionList=function(options,state,originalSelect){var pendingKey="form-autocomplete-updateSelectionList-"+state.inputId;M.util.js_pending(pendingKey);var items=rebuildOptions(originalSelect.children("option:selected"),!1),newSelection=$(document.getElementById(state.selectionId));if(!hasItemListChanged(state,items))return M.util.js_complete(pendingKey),Promise.resolve();state.items=items;var context=$.extend(options,state);return templates.render(options.templates.items,context).then((function(html,js){templates.replaceNodeContents(newSelection,html,js),updateActiveSelectionFromState(state)})).then((function(){return M.util.js_complete(pendingKey)})).catch(notification.exception)},hasItemListChanged=function(state,items){return state.items.length!==items.length||state.items.filter((item=>-1===items.indexOf(item))).length>0},notifyChange=function(originalSelect){FormChangeChecker.markFormChangedFromNode(originalSelect[0]),originalSelect[0].dispatchEvent(new Event("change",{bubbles:!0}))},deselectItem=function(options,state,item,originalSelect){var selectedItemValue=$(item).attr("data-value");return void 0!==originalSelect.find("option").first().attr("value")&&originalSelect.prepend($("<option>")),originalSelect.children("option").each((function(index,ele){$(ele).attr("value")==selectedItemValue&&($(ele).prop("selected",!1),$(ele).attr("data-iscustom")&&$(ele).remove())})),updateSelectionList(options,state,originalSelect).then((function(){notifyChange(originalSelect)}))},activateItem=function(index,state){var inputElement=$(document.getElementById(state.inputId)),suggestionsElement=$(document.getElementById(state.suggestionsId)),length=suggestionsElement.children(":not([aria-hidden])").length;for(index%=length;index<0;)index+=length;var element=$(suggestionsElement.children(":not([aria-hidden])").get(index)),globalIndex=$(suggestionsElement.children("[role=option]")).index(element),itemId=state.suggestionsId+"-"+globalIndex;suggestionsElement.children().attr("aria-selected",!1).attr("id",""),element.attr("aria-selected",!0).attr("id",itemId),inputElement.attr("aria-activedescendant",itemId);var scrollPos=element.offset().top-suggestionsElement.offset().top+suggestionsElement.scrollTop()-suggestionsElement.height()/2;return suggestionsElement.animate({scrollTop:scrollPos},100).promise()},getCurrentItem=function(suggestionsElement){var element=suggestionsElement.children("[aria-selected=true]");return suggestionsElement.children(":not([aria-hidden])").index(element)},wrapListIndex=function(index,length){for(index%=length;index<0;)index+=length;return index},getNextEnabledItem=function(current,suggestions){var nextIndex=wrapListIndex(current+1,suggestions.length);return suggestions[nextIndex].getAttribute("aria-disabled")?getNextEnabledItem(nextIndex,suggestions):nextIndex},getPreviousEnabledItem=function(current,suggestions){var previousIndex=wrapListIndex(current-1,suggestions.length);return suggestions[previousIndex].getAttribute("aria-disabled")?getPreviousEnabledItem(previousIndex,suggestions):previousIndex},rebuildOptions=function(originalOptions,includeEmpty){var options=[];return originalOptions.each((function(index,ele){var label;label=$(ele).data("html")?$(ele).data("html"):$(ele).html(),(includeEmpty||""!==label)&&options.push({label:label,value:$(ele).attr("value"),disabled:ele.disabled,classes:ele.classList})})),options},closeSuggestions=function(state){var inputElement=$(document.getElementById(state.inputId)),suggestionsElement=$(document.getElementById(state.suggestionsId));return"true"===inputElement.attr("aria-expanded")&&inputElement.attr("aria-expanded",!1),inputElement.attr("aria-activedescendant",state.selectionId),Aria.hide(suggestionsElement.get()),suggestionsElement.hide(),$.Deferred().resolve()},updateSuggestions=function(options,state,query,originalSelect){var pendingKey="form-autocomplete-updateSuggestions-"+state.inputId;M.util.js_pending(pendingKey);var inputElement=$(document.getElementById(state.inputId)),suggestionsElement=$(document.getElementById(state.suggestionsId)),matchingElements=!1,suggestions=rebuildOptions(originalSelect.children('option:not(:selected, [data-enabled="disabled"])'),!0),searchquery=state.caseSensitive?query:query.toLocaleLowerCase(),context=$.extend({options:suggestions},options,state);return templates.render("core/form_autocomplete_suggestions",context).then((function(html,js){return templates.replaceNode(suggestionsElement,html,js),suggestionsElement=$(document.getElementById(state.suggestionsId)),Aria.unhide(suggestionsElement.get()),Popper.createPopper(inputElement[0],suggestionsElement[0],{placement:"bottom-start",modifiers:[{name:"flip",enabled:!1}]}),suggestionsElement.children().each((function(index,node){node=$(node),options.caseSensitive&&node.text().indexOf(searchquery)>-1||!options.caseSensitive&&node.text().toLocaleLowerCase().indexOf(searchquery)>-1?(Aria.unhide(node.get()),node.show(),matchingElements=!0):(node.hide(),Aria.hide(node.get()))})),inputElement.attr("aria-expanded",!0),originalSelect.attr("data-notice")?suggestionsElement.html(originalSelect.attr("data-notice")):matchingElements?options.tags||activateItem(0,state):str.get_string("nosuggestions","form").done((function(nosuggestionsstr){suggestionsElement.html(nosuggestionsstr)})),suggestionsElement})).then((function(){return M.util.js_complete(pendingKey)})).catch(notification.exception)},createItem=function(options,state,originalSelect){var inputElement=$(document.getElementById(state.inputId)),tags=inputElement.val().split(","),found=!1;return $.each(tags,(function(tagindex,tag){if(""!==(tag=tag.trim())&&(options.multiple||originalSelect.children("option").prop("selected",!1),originalSelect.children("option").each((function(index,ele){$(ele).attr("value")==tag&&(found=!0,$(ele).prop("selected",!0))})),!found)){var option=$("<option>");option.append(document.createTextNode(tag)),option.attr("value",tag),originalSelect.append(option),option.prop("selected",!0),option.attr("data-iscustom",!0)}})),updateSelectionList(options,state,originalSelect).then((function(){notifyChange(originalSelect)})).then((function(){inputElement.val("")})).then((function(){return closeSuggestions(state)}))},selectCurrentItem=function(options,state,originalSelect){var inputElement=$(document.getElementById(state.inputId)),selectedItemValue=$(document.getElementById(state.suggestionsId)).children("[aria-selected=true]").attr("data-value");return options.multiple||originalSelect.children("option").prop("selected",!1),originalSelect.children("option").each((function(index,ele){$(ele).attr("value")==selectedItemValue&&$(ele).prop("selected",!0)})),updateSelectionList(options,state,originalSelect).then((function(){notifyChange(originalSelect)})).then((function(){return options.closeSuggestionsOnSelect?(inputElement.val(""),closeSuggestions(state)):(inputElement.focus(),updateSuggestions(options,state,inputElement.val(),originalSelect))}))},updateAjax=function(e,options,state,originalSelect,ajaxHandler){var pendingPromise=addPendingJSPromise("updateAjax"),parentElement=$(document.getElementById(state.selectId)).parent();LoadingIcon.addIconToContainerRemoveOnCompletion(parentElement,pendingPromise);var query=$(e.currentTarget).val();return ajaxHandler.transport(options.selector,query,(function(results){var processedResults=ajaxHandler.processResults(options.selector,results),existingValues=[];if(originalSelect.children("option").each((function(optionIndex,option){(option=$(option)).prop("selected")?existingValues.push(String(option.attr("value"))):option.remove()})),!options.multiple&&0===originalSelect.children("option").length){var option=$("<option>");originalSelect.append(option)}$.isArray(processedResults)?($.each(processedResults,(function(resultIndex,result){if(-1===existingValues.indexOf(String(result.value))){var option=$("<option>");option.append(result.label),option.attr("value",result.value),originalSelect.append(option)}})),originalSelect.attr("data-notice","")):originalSelect.attr("data-notice",processedResults),pendingPromise.resolve(updateSuggestions(options,state,"",originalSelect))}),(function(error){pendingPromise.reject(error)})),pendingPromise},addNavigation=function(options,state,originalSelect){var inputElement=$(document.getElementById(state.inputId));(inputElement.on("keydown",(function(e){var pendingJsPromise=addPendingJSPromise("addNavigation-"+state.inputId+"-"+e.keyCode);switch(e.keyCode){case KEYS_DOWN:return options.showSuggestions?("true"===inputElement.attr("aria-expanded")?pendingJsPromise.resolve(function(state){var suggestionsElement=$(document.getElementById(state.suggestionsId)),suggestions=suggestionsElement.children(":not([aria-hidden])"),current=getCurrentItem(suggestionsElement);return activateItem(getNextEnabledItem(current,suggestions),state)}(state)):!inputElement.val()&&options.ajax?require([options.ajax],(function(ajaxHandler){pendingJsPromise.resolve(updateAjax(e,options,state,originalSelect,ajaxHandler))})):pendingJsPromise.resolve(updateSuggestions(options,state,inputElement.val(),originalSelect)),e.preventDefault(),!1):(pendingJsPromise.resolve(),!0);case KEYS_UP:return pendingJsPromise.resolve(function(state){var suggestionsElement=$(document.getElementById(state.suggestionsId)),suggestions=suggestionsElement.children(":not([aria-hidden])"),current=getCurrentItem(suggestionsElement);return activateItem(getPreviousEnabledItem(current,suggestions),state)}(state)),e.preventDefault(),!1;case KEYS_ENTER:var suggestionsElement=$(document.getElementById(state.suggestionsId));return"true"===inputElement.attr("aria-expanded")&&suggestionsElement.children("[aria-selected=true]").length>0?pendingJsPromise.resolve(selectCurrentItem(options,state,originalSelect)):options.tags?pendingJsPromise.resolve(createItem(options,state,originalSelect)):pendingJsPromise.resolve(),e.preventDefault(),!1;case KEYS_ESCAPE:return"true"===inputElement.attr("aria-expanded")?pendingJsPromise.resolve(closeSuggestions(state)):pendingJsPromise.resolve(),e.preventDefault(),!1}return pendingJsPromise.resolve(),!0})),inputElement.on("keypress",(function(e){return e.keyCode!==KEYS_COMMA||(options.tags&&addPendingJSPromise("keypress-"+e.keyCode).resolve(createItem(options,state,originalSelect)),e.preventDefault(),!1)})),inputElement.closest("form").on("submit",(function(){return options.tags&&addPendingJSPromise("form-autocomplete-submit").resolve(createItem(options,state,originalSelect)),!0})),inputElement.on("blur",(function(){var pendingPromise=addPendingJSPromise("form-autocomplete-blur");window.setTimeout((function(){var focusElement=$(document.activeElement),timeoutPromise=$.Deferred();focusElement.is(document.getElementById(state.suggestionsId))?inputElement.focus():!focusElement.is(inputElement)&&$(document.getElementById(state.inputId)).length&&(options.tags&&timeoutPromise.then((function(){return createItem(options,state,originalSelect)})).catch(),timeoutPromise.then((function(){return closeSuggestions(state)})).catch()),timeoutPromise.then((function(){return pendingPromise.resolve()})).catch(),timeoutPromise.resolve()}),500)})),options.showSuggestions)&&$(document.getElementById(state.downArrowId)).on("click",(function(e){var pendingPromise=addPendingJSPromise("form-autocomplete-show-suggestions");inputElement.focus(),!inputElement.val()&&options.ajax?require([options.ajax],(function(ajaxHandler){pendingPromise.resolve(updateAjax(e,options,state,originalSelect,ajaxHandler))})):pendingPromise.resolve(updateSuggestions(options,state,inputElement.val(),originalSelect))}));var suggestionsElement=$(document.getElementById(state.suggestionsId));suggestionsElement.parent().prop("onclick",null).off("click"),suggestionsElement.parent().on("click","#".concat(state.suggestionsId," [role=option]"),(function(e){var pendingPromise=addPendingJSPromise("form-autocomplete-parent"),element=$(e.currentTarget).closest("[role=option]"),current=$(document.getElementById(state.suggestionsId)).children(":not([aria-hidden])").index(element);activateItem(current,state).then((function(){return selectCurrentItem(options,state,originalSelect)})).then((function(){return pendingPromise.resolve()})).catch()}));var selectionElement=$(document.getElementById(state.selectionId));selectionElement.on("click","[role=option]",(function(e){addPendingJSPromise("form-autocomplete-clicks").resolve(deselectItem(options,state,$(e.currentTarget),originalSelect))})),selectionElement.on("focus",(function(){updateActiveSelectionFromState(state)})),selectionElement.on("keydown",(function(e){var pendingPromise=addPendingJSPromise("form-autocomplete-keydown-"+e.keyCode);switch(e.keyCode){case KEYS_RIGHT:case KEYS_DOWN:return e.preventDefault(),void pendingPromise.resolve(function(state){var selectionsElement=$(document.getElementById(state.selectionId)),element=selectionsElement.children("[data-active-selection]"),current=0;return element?(current=selectionsElement.children("[aria-selected=true]").index(element),current+=1):current=0,activateSelection(current,state)}(state));case KEYS_LEFT:case KEYS_UP:return e.preventDefault(),void pendingPromise.resolve(function(state){var selectionsElement=$(document.getElementById(state.selectionId)),element=selectionsElement.children("[data-active-selection]");if(!element)return activateSelection(0,state);var current=selectionsElement.children("[aria-selected=true]").index(element);return activateSelection(current-1,state)}(state));case KEYS_SPACE:case KEYS_ENTER:var selectedItem=$(document.getElementById(state.selectionId)).children("[data-active-selection]");return void(selectedItem&&(e.preventDefault(),pendingPromise.resolve(deselectItem(options,state,selectedItem,originalSelect))))}pendingPromise.resolve()})),options.showSuggestions&&(inputElement.on("focus",(function(e){var query=$(e.currentTarget).val();$(e.currentTarget).data("last-value",query)})),options.ajax?require([options.ajax],(function(ajaxHandler){var throttleTimeout=null,inProgress=!1,pendingKey="autocomplete-throttledhandler",handler=function(e){throttleTimeout=null,inProgress=!0,updateAjax(e,options,state,originalSelect,ajaxHandler).then((function(){return null===throttleTimeout&&M.util.js_complete(pendingKey),inProgress=!1,arguments[0]})).catch(notification.exception)},throttledHandler=function(e){window.clearTimeout(throttleTimeout),inProgress?throttleTimeout=window.setTimeout(throttledHandler.bind(this,e),100):(null===throttleTimeout&&M.util.js_pending(pendingKey),throttleTimeout=window.setTimeout(handler.bind(this,e),300))};inputElement.on("input",(function(e){var query=$(e.currentTarget).val();$(e.currentTarget).data("last-value")!==query&&throttledHandler(e),$(e.currentTarget).data("last-value",query)}))})):inputElement.on("input",(function(e){var query=$(e.currentTarget).val();$(e.currentTarget).data("last-value")!==query&&updateSuggestions(options,state,query,originalSelect),$(e.currentTarget).data("last-value",query)}))),EventHandler.on(document,"keydown.bs.dropdown.data-api",".dropdown-menu",(event=>{const pendingPromise=addPendingJSPromise("addNavigation-"+state.inputId+"-"+event.key);return"Escape"===event.key&&"true"===inputElement.attr("aria-expanded")?(event.stopImmediatePropagation(),pendingPromise.resolve(closeSuggestions(state))):pendingPromise.resolve()}))},addPendingJSPromise=function(key){var pendingKey="form-autocomplete:"+key;M.util.js_pending(pendingKey);var pendingPromise=$.Deferred();return pendingPromise.then((function(){return M.util.js_complete(pendingKey),arguments[0]})).catch(notification.exception),pendingPromise},enhanceField=async function(selector,tags,ajax,placeholder,caseSensitive,showSuggestions,noSelectionString,closeSuggestionsOnSelect,templateOverrides){var _originalSelect$,options={selector:selector,tags:!1,ajax:!1,placeholder:await placeholder,caseSensitive:!1,showSuggestions:!0,noSelectionString:await noSelectionString,templates:$.extend({input:"core/form_autocomplete_input",items:"core/form_autocomplete_selection_items",layout:"core/form_autocomplete_layout",selection:"core/form_autocomplete_selection",suggestions:"core/form_autocomplete_suggestions"},templateOverrides)},pendingKey="autocomplete-setup-"+selector;M.util.js_pending(pendingKey),void 0!==tags&&(options.tags=tags),void 0!==ajax&&(options.ajax=ajax),void 0!==caseSensitive&&(options.caseSensitive=caseSensitive),void 0!==showSuggestions&&(options.showSuggestions=showSuggestions),void 0===noSelectionString&&str.get_string("noselection","form").done((function(result){options.noSelectionString=result})).fail(notification.exception);var originalSelect=$(selector);if(!originalSelect)return log.debug("Selector not found: "+selector),M.util.js_complete(pendingKey),!1;if("enhanced"===originalSelect.data("enhanced"))return M.util.js_complete(pendingKey),!1;originalSelect.data("enhanced","enhanced"),Aria.hide(originalSelect.get()),originalSelect.css("visibility","hidden");var state={selectId:originalSelect.attr("id"),inputId:"form_autocomplete_input-"+uniqueId,suggestionsId:"form_autocomplete_suggestions-"+uniqueId,selectionId:"form_autocomplete_selection-"+uniqueId,downArrowId:"form_autocomplete_downarrow-"+uniqueId,items:[],required:"true"===(null===(_originalSelect$=originalSelect[0])||void 0===_originalSelect$?void 0:_originalSelect$.ariaRequired)};uniqueId++,options.multiple=originalSelect.attr("multiple"),options.multiple||originalSelect.prepend("<option>"),options.closeSuggestionsOnSelect=void 0!==closeSuggestionsOnSelect?closeSuggestionsOnSelect:!options.multiple;var originalLabel=$("[for="+state.selectId+"]"),suggestions=rebuildOptions(originalSelect.children("option"),!0),context=$.extend({},options,state);context.options=suggestions,context.items=[];var collectedjs="",renderLayout=templates.render(options.templates.layout,{}).then((function(html){return $(html)})),renderInput=templates.render(options.templates.input,context).then((function(html,js){return collectedjs+=js,$(html)})),renderDatalist=templates.render(options.templates.suggestions,context).then((function(html,js){return collectedjs+=js,$(html)})),renderSelection=templates.render(options.templates.selection,context).then((function(html,js){return collectedjs+=js,$(html)}));return Promise.all([renderLayout,renderInput,renderDatalist,renderSelection]).then((function(_ref){let[layout,input,suggestions,selection]=_ref;originalSelect.hide();var container=originalSelect.parent();input.find("input").attr("data-fieldtype","autocomplete"),container.append(layout),container.find('[data-region="form_autocomplete-input"]').replaceWith(input),container.find('[data-region="form_autocomplete-suggestions"]').replaceWith(suggestions),container.find('[data-region="form_autocomplete-selection"]').replaceWith(selection),templates.runTemplateJS(collectedjs),originalLabel.attr("for",state.inputId),addNavigation(options,state,originalSelect);var suggestionsElement=$(document.getElementById(state.suggestionsId));suggestionsElement.hide(),Aria.hide(suggestionsElement.get())})).then((function(){return updateSelectionList(options,state,originalSelect)})).then((function(){return M.util.js_complete(pendingKey)})).catch((function(error){M.util.js_complete(pendingKey),notification.exception(error)}))};return{enhanceField:enhanceField,enhance:function(){return $.when(enhanceField(...arguments))}}}));
 
 //# sourceMappingURL=form-autocomplete.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/form-autocomplete.min.js.map b/lib/amd/build/form-autocomplete.min.js.map
index 9a562fa68c7..121c45f0ed0 100644
--- a/lib/amd/build/form-autocomplete.min.js.map
+++ b/lib/amd/build/form-autocomplete.min.js.map
@@ -1 +1 @@
-{"version":3,"file":"form-autocomplete.min.js","sources":["../src/form-autocomplete.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Autocomplete wrapper for select2 library.\n *\n * @module     core/form-autocomplete\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.0\n */\ndefine([\n    'jquery',\n    'core/log',\n    'core/str',\n    'core/templates',\n    'core/notification',\n    'core/loadingicon',\n    'core/aria',\n    'core_form/changechecker',\n    'core/popper2',\n], function(\n    $,\n    log,\n    str,\n    templates,\n    notification,\n    LoadingIcon,\n    Aria,\n    FormChangeChecker,\n    Popper\n) {\n    // Private functions and variables.\n    /** @var {Object} KEYS - List of keycode constants. */\n    var KEYS = {\n        DOWN: 40,\n        ENTER: 13,\n        SPACE: 32,\n        ESCAPE: 27,\n        COMMA: 44,\n        UP: 38,\n        LEFT: 37,\n        RIGHT: 39\n    };\n\n    var uniqueId = Date.now();\n\n    /**\n     * Make an item in the selection list \"active\".\n     *\n     * @method activateSelection\n     * @private\n     * @param {Number} index The index in the current (visible) list of selection.\n     * @param {Object} state State variables for this autocomplete element.\n     * @return {Promise}\n     */\n    var activateSelection = function(index, state) {\n        // Find the elements in the DOM.\n        var selectionElement = $(document.getElementById(state.selectionId));\n\n        index = wrapListIndex(index, selectionElement.children('[aria-selected=true]').length);\n        // Find the specified element.\n        var element = $(selectionElement.children('[aria-selected=true]').get(index));\n        // Create an id we can assign to this element.\n        var itemId = state.selectionId + '-' + index;\n\n        // Deselect all the selections.\n        selectionElement.children().attr('data-active-selection', null).attr('id', '');\n\n        // Select only this suggestion and assign it the id.\n        element.attr('data-active-selection', true).attr('id', itemId);\n\n        // Tell the input field it has a new active descendant so the item is announced.\n        selectionElement.attr('aria-activedescendant', itemId);\n        selectionElement.attr('data-active-value', element.attr('data-value'));\n\n        return $.Deferred().resolve();\n    };\n\n    /**\n     * Get the actively selected element from the state object.\n     *\n     * @param   {Object} state\n     * @returns {jQuery}\n     */\n    var getActiveElementFromState = function(state) {\n        var selectionRegion = $(document.getElementById(state.selectionId));\n        var activeId = selectionRegion.attr('aria-activedescendant');\n\n        if (activeId) {\n            var activeElement = $(document.getElementById(activeId));\n            if (activeElement.length) {\n                // The active descendent still exists.\n                return activeElement;\n            }\n        }\n\n        // Ensure we are creating a properly formed selector based on the active value.\n        var activeValue = selectionRegion.attr('data-active-value')?.replace(/\"/g, '\\\\\"');\n        return selectionRegion.find('[data-value=\"' + activeValue + '\"]');\n    };\n\n    /**\n     * Update the active selection from the given state object.\n     *\n     * @param   {Object} state\n     */\n    var updateActiveSelectionFromState = function(state) {\n        var activeElement = getActiveElementFromState(state);\n        var activeValue = activeElement.attr('data-value');\n\n        var selectionRegion = $(document.getElementById(state.selectionId));\n        if (activeValue) {\n            // Find the index of the currently selected index.\n            var activeIndex = selectionRegion.find('[aria-selected=true]').index(activeElement);\n\n            if (activeIndex !== -1) {\n                activateSelection(activeIndex, state);\n                return;\n            }\n        }\n\n        // Either the active index was not set, or it could not be found.\n        // Select the first value instead.\n        activateSelection(0, state);\n    };\n\n    /**\n     * Update the element that shows the currently selected items.\n     *\n     * @method updateSelectionList\n     * @private\n     * @param {Object} options Original options for this autocomplete element.\n     * @param {Object} state State variables for this autocomplete element.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var updateSelectionList = function(options, state, originalSelect) {\n        var pendingKey = 'form-autocomplete-updateSelectionList-' + state.inputId;\n        M.util.js_pending(pendingKey);\n\n        // Build up a valid context to re-render the template.\n        var items = rebuildOptions(originalSelect.children('option:selected'), false);\n        var newSelection = $(document.getElementById(state.selectionId));\n\n        if (!hasItemListChanged(state, items)) {\n            M.util.js_complete(pendingKey);\n            return Promise.resolve();\n        }\n\n        state.items = items;\n\n        var context = $.extend(options, state);\n        // Render the template.\n        return templates.render(options.templates.items, context)\n        .then(function(html, js) {\n            // Add it to the page.\n            templates.replaceNodeContents(newSelection, html, js);\n\n            updateActiveSelectionFromState(state);\n\n            return;\n        })\n        .then(function() {\n            return M.util.js_complete(pendingKey);\n        })\n        .catch(notification.exception);\n    };\n\n    /**\n     * Check whether the list of items stored in the state has changed.\n     *\n     * @param   {Object} state\n     * @param   {Array} items\n     * @returns {Boolean}\n     */\n    var hasItemListChanged = function(state, items) {\n        if (state.items.length !== items.length) {\n            return true;\n        }\n\n        // Check for any items in the state items which are not present in the new items list.\n        return state.items.filter(item => items.indexOf(item) === -1).length > 0;\n    };\n\n    /**\n     * Notify of a change in the selection.\n     *\n     * @param {jQuery} originalSelect The jQuery object matching the hidden select list.\n     */\n    var notifyChange = function(originalSelect) {\n        FormChangeChecker.markFormChangedFromNode(originalSelect[0]);\n\n        // Note, jQuery .change() was not working here. Better to\n        // use plain JavaScript anyway.\n        originalSelect[0].dispatchEvent(new Event('change', {bubbles: true}));\n    };\n\n    /**\n     * Remove the given item from the list of selected things.\n     *\n     * @method deselectItem\n     * @private\n     * @param {Object} options Original options for this autocomplete element.\n     * @param {Object} state State variables for this autocomplete element.\n     * @param {Element} item The item to be deselected.\n     * @param {Element} originalSelect The original select list.\n     * @return {Promise}\n     */\n    var deselectItem = function(options, state, item, originalSelect) {\n        var selectedItemValue = $(item).attr('data-value');\n\n        // Preprend an empty option to the select list to avoid having a default selected option.\n        if (originalSelect.find('option').first().attr('value') !== undefined) {\n            originalSelect.prepend($('<option>'));\n        }\n\n        // Look for a match, and toggle the selected property if there is a match.\n        originalSelect.children('option').each(function(index, ele) {\n            if ($(ele).attr('value') == selectedItemValue) {\n                $(ele).prop('selected', false);\n                // We remove newly created custom tags from the suggestions list when they are deselected.\n                if ($(ele).attr('data-iscustom')) {\n                    $(ele).remove();\n                }\n            }\n        });\n        // Rerender the selection list.\n        return updateSelectionList(options, state, originalSelect)\n        .then(function() {\n            // Notify that the selection changed.\n            notifyChange(originalSelect);\n\n            return;\n        });\n    };\n\n    /**\n     * Make an item in the suggestions \"active\" (about to be selected).\n     *\n     * @method activateItem\n     * @private\n     * @param {Number} index The index in the current (visible) list of suggestions.\n     * @param {Object} state State variables for this instance of autocomplete.\n     * @return {Promise}\n     */\n    var activateItem = function(index, state) {\n        // Find the elements in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n        // Count the visible items.\n        var length = suggestionsElement.children(':not([aria-hidden])').length;\n        // Limit the index to the upper/lower bounds of the list (wrap in both directions).\n        index = index % length;\n        while (index < 0) {\n            index += length;\n        }\n        // Find the specified element.\n        var element = $(suggestionsElement.children(':not([aria-hidden])').get(index));\n        // Find the index of this item in the full list of suggestions (including hidden).\n        var globalIndex = $(suggestionsElement.children('[role=option]')).index(element);\n        // Create an id we can assign to this element.\n        var itemId = state.suggestionsId + '-' + globalIndex;\n\n        // Deselect all the suggestions.\n        suggestionsElement.children().attr('aria-selected', false).attr('id', '');\n        // Select only this suggestion and assign it the id.\n        element.attr('aria-selected', true).attr('id', itemId);\n        // Tell the input field it has a new active descendant so the item is announced.\n        inputElement.attr('aria-activedescendant', itemId);\n\n        // Scroll it into view.\n        var scrollPos = element.offset().top\n                       - suggestionsElement.offset().top\n                       + suggestionsElement.scrollTop()\n                       - (suggestionsElement.height() / 2);\n        return suggestionsElement.animate({\n            scrollTop: scrollPos\n        }, 100).promise();\n    };\n\n    /**\n     * Return the index of the currently selected item in the suggestions list.\n     *\n     * @param {jQuery} suggestionsElement\n     * @return {Integer}\n     */\n    var getCurrentItem = function(suggestionsElement) {\n        // Find the active one.\n        var element = suggestionsElement.children('[aria-selected=true]');\n        // Find its index.\n        return suggestionsElement.children(':not([aria-hidden])').index(element);\n    };\n\n    /**\n     * Limit the index to the upper/lower bounds of the list (wrap in both directions).\n     *\n     * @param {Integer} index The target index.\n     * @param {Integer} length The length of the list of visible items.\n     * @return {Integer} The resulting index with necessary wrapping applied.\n     */\n    var wrapListIndex = function(index, length) {\n        index = index % length;\n        while (index < 0) {\n            index += length;\n        }\n        return index;\n    };\n\n    /**\n     * Return the index of the next item in the list without aria-disabled=true.\n     *\n     * @param {Integer} current The index of the current item.\n     * @param {Array} suggestions The list of suggestions.\n     * @return {Integer}\n     */\n    var getNextEnabledItem = function(current, suggestions) {\n        var nextIndex = wrapListIndex(current + 1, suggestions.length);\n        if (suggestions[nextIndex].getAttribute('aria-disabled')) {\n            return getNextEnabledItem(nextIndex, suggestions);\n        }\n        return nextIndex;\n    };\n\n    /**\n     * Return the index of the previous item in the list without aria-disabled=true.\n     *\n     * @param {Integer} current The index of the current item.\n     * @param {Array} suggestions The list of suggestions.\n     * @return {Integer}\n     */\n    var getPreviousEnabledItem = function(current, suggestions) {\n        var previousIndex = wrapListIndex(current - 1, suggestions.length);\n        if (suggestions[previousIndex].getAttribute('aria-disabled')) {\n            return getPreviousEnabledItem(previousIndex, suggestions);\n        }\n        return previousIndex;\n    };\n\n    /**\n     * Build a list of renderable options based on a set of option elements from the original select list.\n     *\n     * @param {jQuery} originalOptions\n     * @param {Boolean} includeEmpty\n     * @return {Array}\n     */\n    var rebuildOptions = function(originalOptions, includeEmpty) {\n        var options = [];\n        originalOptions.each(function(index, ele) {\n            var label;\n            if ($(ele).data('html')) {\n                label = $(ele).data('html');\n            } else {\n                label = $(ele).html();\n            }\n            if (includeEmpty || label !== '') {\n                options.push({\n                    label: label,\n                    value: $(ele).attr('value'),\n                    disabled: ele.disabled,\n                    classes: ele.classList,\n                });\n            }\n        });\n        return options;\n    };\n\n    /**\n     * Find the index of the current active suggestion, and activate the next one.\n     *\n     * @method activateNextItem\n     * @private\n     * @param {Object} state State variable for this auto complete element.\n     * @return {Promise}\n     */\n    var activateNextItem = function(state) {\n        // Find the list of suggestions.\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n        var suggestions = suggestionsElement.children(':not([aria-hidden])');\n        var current = getCurrentItem(suggestionsElement);\n        // Activate the next one.\n        return activateItem(getNextEnabledItem(current, suggestions), state);\n    };\n\n    /**\n     * Find the index of the current active selection, and activate the previous one.\n     *\n     * @method activatePreviousSelection\n     * @private\n     * @param {Object} state State variables for this instance of autocomplete.\n     * @return {Promise}\n     */\n    var activatePreviousSelection = function(state) {\n        // Find the list of selections.\n        var selectionsElement = $(document.getElementById(state.selectionId));\n        // Find the active one.\n        var element = selectionsElement.children('[data-active-selection]');\n        if (!element) {\n            return activateSelection(0, state);\n        }\n        // Find it's index.\n        var current = selectionsElement.children('[aria-selected=true]').index(element);\n        // Activate the next one.\n        return activateSelection(current - 1, state);\n    };\n\n    /**\n     * Find the index of the current active selection, and activate the next one.\n     *\n     * @method activateNextSelection\n     * @private\n     * @param {Object} state State variables for this instance of autocomplete.\n     * @return {Promise}\n     */\n    var activateNextSelection = function(state) {\n        // Find the list of selections.\n        var selectionsElement = $(document.getElementById(state.selectionId));\n\n        // Find the active one.\n        var element = selectionsElement.children('[data-active-selection]');\n        var current = 0;\n\n        if (element) {\n            // The element was found. Determine the index and move to the next one.\n            current = selectionsElement.children('[aria-selected=true]').index(element);\n            current = current + 1;\n        } else {\n            // No selected item found. Move to the first.\n            current = 0;\n        }\n\n        return activateSelection(current, state);\n    };\n\n    /**\n     * Find the index of the current active suggestion, and activate the previous one.\n     *\n     * @method activatePreviousItem\n     * @private\n     * @param {Object} state State variables for this autocomplete element.\n     * @return {Promise}\n     */\n    var activatePreviousItem = function(state) {\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n        var suggestions = suggestionsElement.children(':not([aria-hidden])');\n        var current = getCurrentItem(suggestionsElement);\n        // Activate the previous one.\n        return activateItem(getPreviousEnabledItem(current, suggestions), state);\n    };\n\n    /**\n     * Close the list of suggestions.\n     *\n     * @method closeSuggestions\n     * @private\n     * @param {Object} state State variables for this autocomplete element.\n     * @return {Promise}\n     */\n    var closeSuggestions = function(state) {\n        // Find the elements in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n        if (inputElement.attr('aria-expanded') === \"true\") {\n            // Announce the list of suggestions was closed.\n            inputElement.attr('aria-expanded', false);\n        }\n        // Read the current list of selections.\n        inputElement.attr('aria-activedescendant', state.selectionId);\n\n        // Hide the suggestions list (from screen readers too).\n        Aria.hide(suggestionsElement.get());\n        suggestionsElement.hide();\n\n        return $.Deferred().resolve();\n    };\n\n    /**\n     * Rebuild the list of suggestions based on the current values in the select list, and the query.\n     * Any options in the original select with [data-enabled=disabled] will not be included\n     * as a suggestion option in the enhanced field.\n     *\n     * @method updateSuggestions\n     * @private\n     * @param {Object} options The original options for this autocomplete.\n     * @param {Object} state The state variables for this autocomplete.\n     * @param {String} query The current text for the search string.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var updateSuggestions = function(options, state, query, originalSelect) {\n        var pendingKey = 'form-autocomplete-updateSuggestions-' + state.inputId;\n        M.util.js_pending(pendingKey);\n\n        // Find the elements in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n        // Used to track if we found any visible suggestions.\n        var matchingElements = false;\n        // Options is used by the context when rendering the suggestions from a template.\n        var suggestions = rebuildOptions(originalSelect.children('option:not(:selected, [data-enabled=\"disabled\"])'), true);\n\n        // Re-render the list of suggestions.\n        var searchquery = state.caseSensitive ? query : query.toLocaleLowerCase();\n        var context = $.extend({options: suggestions}, options, state);\n        var returnVal = templates.render(\n            'core/form_autocomplete_suggestions',\n            context\n        )\n        .then(function(html, js) {\n            // We have the new template, insert it in the page.\n            templates.replaceNode(suggestionsElement, html, js);\n\n            // Get the element again.\n            suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n            // Show it if it is hidden.\n            Aria.unhide(suggestionsElement.get());\n            Popper.createPopper(inputElement[0], suggestionsElement[0], {\n                placement: 'bottom-start',\n                modifiers: [{name: 'flip', enabled: false}],\n            });\n\n            // For each option in the list, hide it if it doesn't match the query.\n            suggestionsElement.children().each(function(index, node) {\n                node = $(node);\n                if ((options.caseSensitive && node.text().indexOf(searchquery) > -1) ||\n                        (!options.caseSensitive && node.text().toLocaleLowerCase().indexOf(searchquery) > -1)) {\n                    Aria.unhide(node.get());\n                    node.show();\n                    matchingElements = true;\n                } else {\n                    node.hide();\n                    Aria.hide(node.get());\n                }\n            });\n            // If we found any matches, show the list.\n            inputElement.attr('aria-expanded', true);\n            if (originalSelect.attr('data-notice')) {\n                // Display a notice rather than actual suggestions.\n                suggestionsElement.html(originalSelect.attr('data-notice'));\n            } else if (matchingElements) {\n                // We only activate the first item in the list if tags is false,\n                // because otherwise \"Enter\" would select the first item, instead of\n                // creating a new tag.\n                if (!options.tags) {\n                    activateItem(0, state);\n                }\n            } else {\n                // Nothing matches. Tell them that.\n                str.get_string('nosuggestions', 'form').done(function(nosuggestionsstr) {\n                    suggestionsElement.html(nosuggestionsstr);\n                });\n            }\n\n            return suggestionsElement;\n        })\n        .then(function() {\n            return M.util.js_complete(pendingKey);\n        })\n        .catch(notification.exception);\n\n        return returnVal;\n    };\n\n    /**\n     * Create a new item for the list (a tag).\n     *\n     * @method createItem\n     * @private\n     * @param {Object} options The original options for the autocomplete.\n     * @param {Object} state State variables for the autocomplete.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var createItem = function(options, state, originalSelect) {\n        // Find the element in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        // Get the current text in the input field.\n        var query = inputElement.val();\n        var tags = query.split(',');\n        var found = false;\n\n        $.each(tags, function(tagindex, tag) {\n            // If we can only select one at a time, deselect any current value.\n            tag = tag.trim();\n            if (tag !== '') {\n                if (!options.multiple) {\n                    originalSelect.children('option').prop('selected', false);\n                }\n                // Look for an existing option in the select list that matches this new tag.\n                originalSelect.children('option').each(function(index, ele) {\n                    if ($(ele).attr('value') == tag) {\n                        found = true;\n                        $(ele).prop('selected', true);\n                    }\n                });\n                // Only create the item if it's new.\n                if (!found) {\n                    var option = $('<option>');\n                    option.append(document.createTextNode(tag));\n                    option.attr('value', tag);\n                    originalSelect.append(option);\n                    option.prop('selected', true);\n                    // We mark newly created custom options as we handle them differently if they are \"deselected\".\n                    option.attr('data-iscustom', true);\n                }\n            }\n        });\n\n        return updateSelectionList(options, state, originalSelect)\n        .then(function() {\n            // Notify that the selection changed.\n            notifyChange(originalSelect);\n\n            return;\n        })\n        .then(function() {\n            // Clear the input field.\n            inputElement.val('');\n\n            return;\n        })\n        .then(function() {\n            // Close the suggestions list.\n            return closeSuggestions(state);\n        });\n    };\n\n    /**\n     * Select the currently active item from the suggestions list.\n     *\n     * @method selectCurrentItem\n     * @private\n     * @param {Object} options The original options for the autocomplete.\n     * @param {Object} state State variables for the autocomplete.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var selectCurrentItem = function(options, state, originalSelect) {\n        // Find the elements in the page.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n        // Here loop through suggestions and set val to join of all selected items.\n\n        var selectedItemValue = suggestionsElement.children('[aria-selected=true]').attr('data-value');\n        // The select will either be a single or multi select, so the following will either\n        // select one or more items correctly.\n        // Take care to use 'prop' and not 'attr' for selected properties.\n        // If only one can be selected at a time, start by deselecting everything.\n        if (!options.multiple) {\n            originalSelect.children('option').prop('selected', false);\n        }\n        // Look for a match, and toggle the selected property if there is a match.\n        originalSelect.children('option').each(function(index, ele) {\n            if ($(ele).attr('value') == selectedItemValue) {\n                $(ele).prop('selected', true);\n            }\n        });\n\n        return updateSelectionList(options, state, originalSelect)\n        .then(function() {\n            // Notify that the selection changed.\n            notifyChange(originalSelect);\n\n            return;\n        })\n        .then(function() {\n            if (options.closeSuggestionsOnSelect) {\n                // Clear the input element.\n                inputElement.val('');\n                // Close the list of suggestions.\n                return closeSuggestions(state);\n            } else {\n                // Focus on the input element so the suggestions does not auto-close.\n                inputElement.focus();\n                // Remove the last selected item from the suggestions list.\n                return updateSuggestions(options, state, inputElement.val(), originalSelect);\n            }\n        });\n    };\n\n    /**\n     * Fetch a new list of options via ajax.\n     *\n     * @method updateAjax\n     * @private\n     * @param {Event} e The event that triggered this update.\n     * @param {Object} options The original options for the autocomplete.\n     * @param {Object} state The state variables for the autocomplete.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @param {Object} ajaxHandler This is a module that does the ajax fetch and translates the results.\n     * @return {Promise}\n     */\n    var updateAjax = function(e, options, state, originalSelect, ajaxHandler) {\n        var pendingPromise = addPendingJSPromise('updateAjax');\n        // We need to show the indicator outside of the hidden select list.\n        // So we get the parent id of the hidden select list.\n        var parentElement = $(document.getElementById(state.selectId)).parent();\n        LoadingIcon.addIconToContainerRemoveOnCompletion(parentElement, pendingPromise);\n\n        // Get the query to pass to the ajax function.\n        var query = $(e.currentTarget).val();\n        // Call the transport function to do the ajax (name taken from Select2).\n        ajaxHandler.transport(options.selector, query, function(results) {\n            // We got a result - pass it through the translator before using it.\n            var processedResults = ajaxHandler.processResults(options.selector, results);\n            var existingValues = [];\n\n            // Now destroy all options that are not current\n            originalSelect.children('option').each(function(optionIndex, option) {\n                option = $(option);\n                if (!option.prop('selected')) {\n                    option.remove();\n                } else {\n                    existingValues.push(String(option.attr('value')));\n                }\n            });\n\n            if (!options.multiple && originalSelect.children('option').length === 0) {\n                // If this is a single select - and there are no current options\n                // the first option added will be selected by the browser. This causes a bug!\n                // We need to insert an empty option so that none of the real options are selected.\n                var option = $('<option>');\n                originalSelect.append(option);\n            }\n            if ($.isArray(processedResults)) {\n                // Add all the new ones returned from ajax.\n                $.each(processedResults, function(resultIndex, result) {\n                    if (existingValues.indexOf(String(result.value)) === -1) {\n                        var option = $('<option>');\n                        option.append(result.label);\n                        option.attr('value', result.value);\n                        originalSelect.append(option);\n                    }\n                });\n                originalSelect.attr('data-notice', '');\n            } else {\n                // The AJAX handler returned a string instead of the array.\n                originalSelect.attr('data-notice', processedResults);\n            }\n            // Update the list of suggestions now from the new values in the select list.\n            pendingPromise.resolve(updateSuggestions(options, state, '', originalSelect));\n        }, function(error) {\n            pendingPromise.reject(error);\n        });\n\n        return pendingPromise;\n    };\n\n    /**\n     * Add all the event listeners required for keyboard nav, blur clicks etc.\n     *\n     * @method addNavigation\n     * @private\n     * @param {Object} options The options used to create this autocomplete element.\n     * @param {Object} state State variables for this autocomplete element.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     */\n    var addNavigation = function(options, state, originalSelect) {\n        // Start with the input element.\n        var inputElement = $(document.getElementById(state.inputId));\n        // Add keyboard nav with keydown.\n        inputElement.on('keydown', function(e) {\n            var pendingJsPromise = addPendingJSPromise('addNavigation-' + state.inputId + '-' + e.keyCode);\n\n            switch (e.keyCode) {\n                case KEYS.DOWN:\n                    // If the suggestion list is open, move to the next item.\n                    if (!options.showSuggestions) {\n                        // Do not consume this event.\n                        pendingJsPromise.resolve();\n                        return true;\n                    } else if (inputElement.attr('aria-expanded') === \"true\") {\n                        pendingJsPromise.resolve(activateNextItem(state));\n                    } else {\n                        // Handle ajax population of suggestions.\n                        if (!inputElement.val() && options.ajax) {\n                            require([options.ajax], function(ajaxHandler) {\n                                pendingJsPromise.resolve(updateAjax(e, options, state, originalSelect, ajaxHandler));\n                            });\n                        } else {\n                            // Open the suggestions list.\n                            pendingJsPromise.resolve(updateSuggestions(options, state, inputElement.val(), originalSelect));\n                        }\n                    }\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n                case KEYS.UP:\n                    // Choose the previous active item.\n                    pendingJsPromise.resolve(activatePreviousItem(state));\n\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n                case KEYS.ENTER:\n                    var suggestionsElement = $(document.getElementById(state.suggestionsId));\n                    if ((inputElement.attr('aria-expanded') === \"true\") &&\n                            (suggestionsElement.children('[aria-selected=true]').length > 0)) {\n                        // If the suggestion list has an active item, select it.\n                        pendingJsPromise.resolve(selectCurrentItem(options, state, originalSelect));\n                    } else if (options.tags) {\n                        // If tags are enabled, create a tag.\n                        pendingJsPromise.resolve(createItem(options, state, originalSelect));\n                    } else {\n                        pendingJsPromise.resolve();\n                    }\n\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n                case KEYS.ESCAPE:\n                    if (inputElement.attr('aria-expanded') === \"true\") {\n                        // If the suggestion list is open, close it.\n                        pendingJsPromise.resolve(closeSuggestions(state));\n                    } else {\n                        pendingJsPromise.resolve();\n                    }\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n            }\n            pendingJsPromise.resolve();\n            return true;\n        });\n        // Support multi lingual COMMA keycode (44).\n        inputElement.on('keypress', function(e) {\n\n            if (e.keyCode === KEYS.COMMA) {\n                if (options.tags) {\n                    // If we are allowing tags, comma should create a tag (or enter).\n                    addPendingJSPromise('keypress-' + e.keyCode)\n                    .resolve(createItem(options, state, originalSelect));\n                }\n                // We handled this event, so prevent it.\n                e.preventDefault();\n                return false;\n            }\n            return true;\n        });\n        // Support submitting the form without leaving the autocomplete element,\n        // or submitting too quick before the blur handler action is completed.\n        inputElement.closest('form').on('submit', function() {\n            if (options.tags) {\n                // If tags are enabled, create a tag.\n                addPendingJSPromise('form-autocomplete-submit')\n                .resolve(createItem(options, state, originalSelect));\n            }\n\n            return true;\n        });\n        inputElement.on('blur', function() {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-blur');\n            window.setTimeout(function() {\n                // Get the current element with focus.\n                var focusElement = $(document.activeElement);\n                var timeoutPromise = $.Deferred();\n\n                // Only close the menu if the input hasn't regained focus and if the element still exists,\n                // and regain focus if the scrollbar is clicked.\n                // Due to the half a second delay, it is possible that the input element no longer exist\n                // by the time this code is being executed.\n                if (focusElement.is(document.getElementById(state.suggestionsId))) {\n                    inputElement.focus(); // Probably the scrollbar is clicked. Regain focus.\n                } else if (!focusElement.is(inputElement) && $(document.getElementById(state.inputId)).length) {\n                    if (options.tags) {\n                        timeoutPromise.then(function() {\n                            return createItem(options, state, originalSelect);\n                        })\n                        .catch();\n                    }\n                    timeoutPromise.then(function() {\n                        return closeSuggestions(state);\n                    })\n                    .catch();\n                }\n\n                timeoutPromise.then(function() {\n                    return pendingPromise.resolve();\n                })\n                .catch();\n                timeoutPromise.resolve();\n            }, 500);\n        });\n        if (options.showSuggestions) {\n            var arrowElement = $(document.getElementById(state.downArrowId));\n            arrowElement.on('click', function(e) {\n                var pendingPromise = addPendingJSPromise('form-autocomplete-show-suggestions');\n\n                // Prevent the close timer, or we will open, then close the suggestions.\n                inputElement.focus();\n\n                // Handle ajax population of suggestions.\n                if (!inputElement.val() && options.ajax) {\n                    require([options.ajax], function(ajaxHandler) {\n                        pendingPromise.resolve(updateAjax(e, options, state, originalSelect, ajaxHandler));\n                    });\n                } else {\n                    // Else - open the suggestions list.\n                    pendingPromise.resolve(updateSuggestions(options, state, inputElement.val(), originalSelect));\n                }\n            });\n        }\n\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n        // Remove any click handler first.\n        suggestionsElement.parent().prop(\"onclick\", null).off(\"click\");\n        suggestionsElement.parent().on('click', `#${state.suggestionsId} [role=option]`, function(e) {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-parent');\n            // Handle clicks on suggestions.\n            var element = $(e.currentTarget).closest('[role=option]');\n            var suggestionsElement = $(document.getElementById(state.suggestionsId));\n            // Find the index of the clicked on suggestion.\n            var current = suggestionsElement.children(':not([aria-hidden])').index(element);\n\n            // Activate it.\n            activateItem(current, state)\n            .then(function() {\n                // And select it.\n                return selectCurrentItem(options, state, originalSelect);\n            })\n            .then(function() {\n                return pendingPromise.resolve();\n            })\n            .catch();\n        });\n        var selectionElement = $(document.getElementById(state.selectionId));\n\n        // Handle clicks on the selected items (will unselect an item).\n        selectionElement.on('click', '[role=option]', function(e) {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-clicks');\n\n            // Remove it from the selection.\n            pendingPromise.resolve(deselectItem(options, state, $(e.currentTarget), originalSelect));\n        });\n\n        // When listbox is focused, focus on the first option if there is no focused option.\n        selectionElement.on('focus', function() {\n            updateActiveSelectionFromState(state);\n        });\n\n        // Keyboard navigation for the selection list.\n        selectionElement.on('keydown', function(e) {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-keydown-' + e.keyCode);\n            switch (e.keyCode) {\n                case KEYS.RIGHT:\n                case KEYS.DOWN:\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n\n                    // Choose the next selection item.\n                    pendingPromise.resolve(activateNextSelection(state));\n                    return;\n                case KEYS.LEFT:\n                case KEYS.UP:\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n\n                    // Choose the previous selection item.\n                    pendingPromise.resolve(activatePreviousSelection(state));\n                    return;\n                case KEYS.SPACE:\n                case KEYS.ENTER:\n                    // Get the item that is currently selected.\n                    var selectedItem = $(document.getElementById(state.selectionId)).children('[data-active-selection]');\n                    if (selectedItem) {\n                        e.preventDefault();\n\n                        // Unselect this item.\n                        pendingPromise.resolve(deselectItem(options, state, selectedItem, originalSelect));\n                    }\n                    return;\n            }\n\n            // Not handled. Resolve the promise.\n            pendingPromise.resolve();\n        });\n        // Whenever the input field changes, update the suggestion list.\n        if (options.showSuggestions) {\n            // Store the value of the field as its last value, when the field gains focus.\n            inputElement.on('focus', function(e) {\n                var query = $(e.currentTarget).val();\n                $(e.currentTarget).data('last-value', query);\n            });\n\n            // If this field uses ajax, set it up.\n            if (options.ajax) {\n                require([options.ajax], function(ajaxHandler) {\n                    // Creating throttled handlers free of race conditions, and accurate.\n                    // This code keeps track of a throttleTimeout, which is periodically polled.\n                    // Once the throttled function is executed, the fact that it is running is noted.\n                    // If a subsequent request comes in whilst it is running, this request is re-applied.\n                    var throttleTimeout = null;\n                    var inProgress = false;\n                    var pendingKey = 'autocomplete-throttledhandler';\n                    var handler = function(e) {\n                        // Empty the current timeout.\n                        throttleTimeout = null;\n\n                        // Mark this request as in-progress.\n                        inProgress = true;\n\n                        // Process the request.\n                        updateAjax(e, options, state, originalSelect, ajaxHandler)\n                        .then(function() {\n                            // Check if the throttleTimeout is still empty.\n                            // There's a potential condition whereby the JS request takes long enough to complete that\n                            // another task has been queued.\n                            // In this case another task will be kicked off and we must wait for that before marking htis as\n                            // complete.\n                            if (null === throttleTimeout) {\n                                // Mark this task as complete.\n                                M.util.js_complete(pendingKey);\n                            }\n                            inProgress = false;\n\n                            return arguments[0];\n                        })\n                        .catch(notification.exception);\n                    };\n\n                    // For input events, we do not want to trigger many, many updates.\n                    var throttledHandler = function(e) {\n                        window.clearTimeout(throttleTimeout);\n                        if (inProgress) {\n                            // A request is currently ongoing.\n                            // Delay this request another 100ms.\n                            throttleTimeout = window.setTimeout(throttledHandler.bind(this, e), 100);\n                            return;\n                        }\n\n                        if (throttleTimeout === null) {\n                            // There is currently no existing timeout handler, and it has not been recently cleared, so\n                            // this is the start of a throttling check.\n                            M.util.js_pending(pendingKey);\n                        }\n\n                        // There is currently no existing timeout handler, and it has not been recently cleared, so this\n                        // is the start of a throttling check.\n                        // Queue a call to the handler.\n                        throttleTimeout = window.setTimeout(handler.bind(this, e), 300);\n                    };\n\n                    // Trigger an ajax update after the text field value changes.\n                    inputElement.on('input', function(e) {\n                        var query = $(e.currentTarget).val();\n                        var last = $(e.currentTarget).data('last-value');\n                        // IE11 fires many more input events than required - even when the value has not changed.\n                        if (last !== query) {\n                            throttledHandler(e);\n                        }\n                        $(e.currentTarget).data('last-value', query);\n                    });\n                });\n            } else {\n                inputElement.on('input', function(e) {\n                    var query = $(e.currentTarget).val();\n                    var last = $(e.currentTarget).data('last-value');\n                    // IE11 fires many more input events than required - even when the value has not changed.\n                    // We need to only do this for real value changed events or the suggestions will be\n                    // unclickable on IE11 (because they will be rebuilt before the click event fires).\n                    // Note - because of this we cannot close the list when the query is empty or it will break\n                    // on IE11.\n                    if (last !== query) {\n                        updateSuggestions(options, state, query, originalSelect);\n                    }\n                    $(e.currentTarget).data('last-value', query);\n                });\n            }\n        }\n    };\n\n    /**\n     * Create and return an unresolved Promise for some pending JS.\n     *\n     * @param   {String} key The unique identifier for this promise\n     * @return  {Promise}\n     */\n    var addPendingJSPromise = function(key) {\n            var pendingKey = 'form-autocomplete:' + key;\n\n            M.util.js_pending(pendingKey);\n\n            var pendingPromise = $.Deferred();\n\n            pendingPromise\n            .then(function() {\n                M.util.js_complete(pendingKey);\n\n                return arguments[0];\n            })\n            .catch(notification.exception);\n\n            return pendingPromise;\n    };\n\n    /**\n     * Turn a boring select box into an auto-complete beast.\n     *\n     * @method enhanceField\n     * @param {string} selector The selector that identifies the select box.\n     * @param {boolean} tags Whether to allow support for tags (can define new entries).\n     * @param {string} ajax Name of an AMD module to handle ajax requests. If specified, the AMD\n     *                      module must expose 2 functions \"transport\" and \"processResults\".\n     *                      These are modeled on Select2 see: https://select2.github.io/options.html#ajax\n     * @param {String|Promise<string>} placeholder - The text to display before a selection is made.\n     * @param {Boolean} caseSensitive - If search has to be made case sensitive.\n     * @param {Boolean} showSuggestions - If suggestions should be shown\n     * @param {String|Promise<string>} noSelectionString - Text to display when there is no selection\n     * @param {Boolean} closeSuggestionsOnSelect - Whether to close the suggestions immediately after making a selection.\n     * @param {Object} templateOverrides A set of templates to use instead of the standard templates\n     * @return {Promise}\n     */\n     var enhanceField = async function(selector, tags, ajax, placeholder, caseSensitive, showSuggestions, noSelectionString,\n                          closeSuggestionsOnSelect, templateOverrides) {\n            // Set some default values.\n            var options = {\n                selector: selector,\n                tags: false,\n                ajax: false,\n                placeholder: await placeholder,\n                caseSensitive: false,\n                showSuggestions: true,\n                noSelectionString: await noSelectionString,\n                templates: $.extend({\n                        input: 'core/form_autocomplete_input',\n                        items: 'core/form_autocomplete_selection_items',\n                        layout: 'core/form_autocomplete_layout',\n                        selection: 'core/form_autocomplete_selection',\n                        suggestions: 'core/form_autocomplete_suggestions',\n                    }, templateOverrides),\n            };\n            var pendingKey = 'autocomplete-setup-' + selector;\n            M.util.js_pending(pendingKey);\n            if (typeof tags !== \"undefined\") {\n                options.tags = tags;\n            }\n            if (typeof ajax !== \"undefined\") {\n                options.ajax = ajax;\n            }\n            if (typeof caseSensitive !== \"undefined\") {\n                options.caseSensitive = caseSensitive;\n            }\n            if (typeof showSuggestions !== \"undefined\") {\n                options.showSuggestions = showSuggestions;\n            }\n            if (typeof noSelectionString === \"undefined\") {\n                str.get_string('noselection', 'form').done(function(result) {\n                    options.noSelectionString = result;\n                }).fail(notification.exception);\n            }\n\n            // Look for the select element.\n            var originalSelect = $(selector);\n            if (!originalSelect) {\n                log.debug('Selector not found: ' + selector);\n                M.util.js_complete(pendingKey);\n                return false;\n            }\n\n            // Ensure we enhance the element only once.\n            if (originalSelect.data('enhanced') === 'enhanced') {\n                M.util.js_complete(pendingKey);\n                return false;\n            }\n            originalSelect.data('enhanced', 'enhanced');\n\n            // Hide the original select.\n            Aria.hide(originalSelect.get());\n            originalSelect.css('visibility', 'hidden');\n\n            // Find or generate some ids.\n            var state = {\n                selectId: originalSelect.attr('id'),\n                inputId: 'form_autocomplete_input-' + uniqueId,\n                suggestionsId: 'form_autocomplete_suggestions-' + uniqueId,\n                selectionId: 'form_autocomplete_selection-' + uniqueId,\n                downArrowId: 'form_autocomplete_downarrow-' + uniqueId,\n                items: [],\n                required: originalSelect[0]?.ariaRequired === 'true',\n            };\n\n            // Increment the unique counter so we don't get duplicates ever.\n            uniqueId++;\n\n            options.multiple = originalSelect.attr('multiple');\n            if (!options.multiple) {\n                // If this is a single select then there is no way to de-select the current value -\n                // unless we add a bogus blank option to be selected when nothing else is.\n                // This matches similar code in updateAjax above.\n                originalSelect.prepend('<option>');\n            }\n\n            if (typeof closeSuggestionsOnSelect !== \"undefined\") {\n                options.closeSuggestionsOnSelect = closeSuggestionsOnSelect;\n            } else {\n                // If not specified, this will close suggestions by default for single-select elements only.\n                options.closeSuggestionsOnSelect = !options.multiple;\n            }\n\n            var originalLabel = $('[for=' + state.selectId + ']');\n            // Create the new markup and insert it after the select.\n            var suggestions = rebuildOptions(originalSelect.children('option'), true);\n\n            // Render all the parts of our UI.\n            var context = $.extend({}, options, state);\n            context.options = suggestions;\n            context.items = [];\n\n            // Collect rendered inline JS to be executed once the HTML is shown.\n            var collectedjs = '';\n\n            var renderLayout = templates.render(options.templates.layout, {})\n            .then(function(html) {\n                return $(html);\n            });\n\n            var renderInput = templates.render(options.templates.input, context).then(function(html, js) {\n                collectedjs += js;\n                return $(html);\n            });\n\n            var renderDatalist = templates.render(options.templates.suggestions, context).then(function(html, js) {\n                collectedjs += js;\n                return $(html);\n            });\n\n            var renderSelection = templates.render(options.templates.selection, context).then(function(html, js) {\n                collectedjs += js;\n                return $(html);\n            });\n\n            return Promise.all([renderLayout, renderInput, renderDatalist, renderSelection])\n            .then(function([layout, input, suggestions, selection]) {\n                originalSelect.hide();\n                var container = originalSelect.parent();\n\n                // Ensure that the data-fieldtype is set for behat.\n                input.find('input').attr('data-fieldtype', 'autocomplete');\n\n                container.append(layout);\n                container.find('[data-region=\"form_autocomplete-input\"]').replaceWith(input);\n                container.find('[data-region=\"form_autocomplete-suggestions\"]').replaceWith(suggestions);\n                container.find('[data-region=\"form_autocomplete-selection\"]').replaceWith(selection);\n\n                templates.runTemplateJS(collectedjs);\n\n                // Update the form label to point to the text input.\n                originalLabel.attr('for', state.inputId);\n                // Add the event handlers.\n                addNavigation(options, state, originalSelect);\n\n                var suggestionsElement = $(document.getElementById(state.suggestionsId));\n                // Hide the suggestions by default.\n                suggestionsElement.hide();\n                Aria.hide(suggestionsElement.get());\n\n                return;\n            })\n            .then(function() {\n                // Show the current values in the selection list.\n                return updateSelectionList(options, state, originalSelect);\n            })\n            .then(function() {\n                return M.util.js_complete(pendingKey);\n            })\n            .catch(function(error) {\n                M.util.js_complete(pendingKey);\n                notification.exception(error);\n            });\n    };\n\n    return {\n        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+{"version":3,"file":"form-autocomplete.min.js","sources":["../src/form-autocomplete.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Autocomplete wrapper for select2 library.\n *\n * @module     core/form-autocomplete\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.0\n */\ndefine([\n    'jquery',\n    'core/log',\n    'core/str',\n    'core/templates',\n    'core/notification',\n    'core/loadingicon',\n    'core/aria',\n    'core_form/changechecker',\n    'core/popper2',\n    'theme_boost/bootstrap/dom/event-handler',\n], function(\n    $,\n    log,\n    str,\n    templates,\n    notification,\n    LoadingIcon,\n    Aria,\n    FormChangeChecker,\n    Popper,\n    EventHandler,\n) {\n    // Private functions and variables.\n    /** @var {Object} KEYS - List of keycode constants. */\n    var KEYS = {\n        DOWN: 40,\n        ENTER: 13,\n        SPACE: 32,\n        ESCAPE: 27,\n        COMMA: 44,\n        UP: 38,\n        LEFT: 37,\n        RIGHT: 39\n    };\n\n    var uniqueId = Date.now();\n\n    /**\n     * Make an item in the selection list \"active\".\n     *\n     * @method activateSelection\n     * @private\n     * @param {Number} index The index in the current (visible) list of selection.\n     * @param {Object} state State variables for this autocomplete element.\n     * @return {Promise}\n     */\n    var activateSelection = function(index, state) {\n        // Find the elements in the DOM.\n        var selectionElement = $(document.getElementById(state.selectionId));\n\n        index = wrapListIndex(index, selectionElement.children('[aria-selected=true]').length);\n        // Find the specified element.\n        var element = $(selectionElement.children('[aria-selected=true]').get(index));\n        // Create an id we can assign to this element.\n        var itemId = state.selectionId + '-' + index;\n\n        // Deselect all the selections.\n        selectionElement.children().attr('data-active-selection', null).attr('id', '');\n\n        // Select only this suggestion and assign it the id.\n        element.attr('data-active-selection', true).attr('id', itemId);\n\n        // Tell the input field it has a new active descendant so the item is announced.\n        selectionElement.attr('aria-activedescendant', itemId);\n        selectionElement.attr('data-active-value', element.attr('data-value'));\n\n        return $.Deferred().resolve();\n    };\n\n    /**\n     * Get the actively selected element from the state object.\n     *\n     * @param   {Object} state\n     * @returns {jQuery}\n     */\n    var getActiveElementFromState = function(state) {\n        var selectionRegion = $(document.getElementById(state.selectionId));\n        var activeId = selectionRegion.attr('aria-activedescendant');\n\n        if (activeId) {\n            var activeElement = $(document.getElementById(activeId));\n            if (activeElement.length) {\n                // The active descendent still exists.\n                return activeElement;\n            }\n        }\n\n        // Ensure we are creating a properly formed selector based on the active value.\n        var activeValue = selectionRegion.attr('data-active-value')?.replace(/\"/g, '\\\\\"');\n        return selectionRegion.find('[data-value=\"' + activeValue + '\"]');\n    };\n\n    /**\n     * Update the active selection from the given state object.\n     *\n     * @param   {Object} state\n     */\n    var updateActiveSelectionFromState = function(state) {\n        var activeElement = getActiveElementFromState(state);\n        var activeValue = activeElement.attr('data-value');\n\n        var selectionRegion = $(document.getElementById(state.selectionId));\n        if (activeValue) {\n            // Find the index of the currently selected index.\n            var activeIndex = selectionRegion.find('[aria-selected=true]').index(activeElement);\n\n            if (activeIndex !== -1) {\n                activateSelection(activeIndex, state);\n                return;\n            }\n        }\n\n        // Either the active index was not set, or it could not be found.\n        // Select the first value instead.\n        activateSelection(0, state);\n    };\n\n    /**\n     * Update the element that shows the currently selected items.\n     *\n     * @method updateSelectionList\n     * @private\n     * @param {Object} options Original options for this autocomplete element.\n     * @param {Object} state State variables for this autocomplete element.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var updateSelectionList = function(options, state, originalSelect) {\n        var pendingKey = 'form-autocomplete-updateSelectionList-' + state.inputId;\n        M.util.js_pending(pendingKey);\n\n        // Build up a valid context to re-render the template.\n        var items = rebuildOptions(originalSelect.children('option:selected'), false);\n        var newSelection = $(document.getElementById(state.selectionId));\n\n        if (!hasItemListChanged(state, items)) {\n            M.util.js_complete(pendingKey);\n            return Promise.resolve();\n        }\n\n        state.items = items;\n\n        var context = $.extend(options, state);\n        // Render the template.\n        return templates.render(options.templates.items, context)\n        .then(function(html, js) {\n            // Add it to the page.\n            templates.replaceNodeContents(newSelection, html, js);\n\n            updateActiveSelectionFromState(state);\n\n            return;\n        })\n        .then(function() {\n            return M.util.js_complete(pendingKey);\n        })\n        .catch(notification.exception);\n    };\n\n    /**\n     * Check whether the list of items stored in the state has changed.\n     *\n     * @param   {Object} state\n     * @param   {Array} items\n     * @returns {Boolean}\n     */\n    var hasItemListChanged = function(state, items) {\n        if (state.items.length !== items.length) {\n            return true;\n        }\n\n        // Check for any items in the state items which are not present in the new items list.\n        return state.items.filter(item => items.indexOf(item) === -1).length > 0;\n    };\n\n    /**\n     * Notify of a change in the selection.\n     *\n     * @param {jQuery} originalSelect The jQuery object matching the hidden select list.\n     */\n    var notifyChange = function(originalSelect) {\n        FormChangeChecker.markFormChangedFromNode(originalSelect[0]);\n\n        // Note, jQuery .change() was not working here. Better to\n        // use plain JavaScript anyway.\n        originalSelect[0].dispatchEvent(new Event('change', {bubbles: true}));\n    };\n\n    /**\n     * Remove the given item from the list of selected things.\n     *\n     * @method deselectItem\n     * @private\n     * @param {Object} options Original options for this autocomplete element.\n     * @param {Object} state State variables for this autocomplete element.\n     * @param {Element} item The item to be deselected.\n     * @param {Element} originalSelect The original select list.\n     * @return {Promise}\n     */\n    var deselectItem = function(options, state, item, originalSelect) {\n        var selectedItemValue = $(item).attr('data-value');\n\n        // Preprend an empty option to the select list to avoid having a default selected option.\n        if (originalSelect.find('option').first().attr('value') !== undefined) {\n            originalSelect.prepend($('<option>'));\n        }\n\n        // Look for a match, and toggle the selected property if there is a match.\n        originalSelect.children('option').each(function(index, ele) {\n            if ($(ele).attr('value') == selectedItemValue) {\n                $(ele).prop('selected', false);\n                // We remove newly created custom tags from the suggestions list when they are deselected.\n                if ($(ele).attr('data-iscustom')) {\n                    $(ele).remove();\n                }\n            }\n        });\n        // Rerender the selection list.\n        return updateSelectionList(options, state, originalSelect)\n        .then(function() {\n            // Notify that the selection changed.\n            notifyChange(originalSelect);\n\n            return;\n        });\n    };\n\n    /**\n     * Make an item in the suggestions \"active\" (about to be selected).\n     *\n     * @method activateItem\n     * @private\n     * @param {Number} index The index in the current (visible) list of suggestions.\n     * @param {Object} state State variables for this instance of autocomplete.\n     * @return {Promise}\n     */\n    var activateItem = function(index, state) {\n        // Find the elements in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n        // Count the visible items.\n        var length = suggestionsElement.children(':not([aria-hidden])').length;\n        // Limit the index to the upper/lower bounds of the list (wrap in both directions).\n        index = index % length;\n        while (index < 0) {\n            index += length;\n        }\n        // Find the specified element.\n        var element = $(suggestionsElement.children(':not([aria-hidden])').get(index));\n        // Find the index of this item in the full list of suggestions (including hidden).\n        var globalIndex = $(suggestionsElement.children('[role=option]')).index(element);\n        // Create an id we can assign to this element.\n        var itemId = state.suggestionsId + '-' + globalIndex;\n\n        // Deselect all the suggestions.\n        suggestionsElement.children().attr('aria-selected', false).attr('id', '');\n        // Select only this suggestion and assign it the id.\n        element.attr('aria-selected', true).attr('id', itemId);\n        // Tell the input field it has a new active descendant so the item is announced.\n        inputElement.attr('aria-activedescendant', itemId);\n\n        // Scroll it into view.\n        var scrollPos = element.offset().top\n                       - suggestionsElement.offset().top\n                       + suggestionsElement.scrollTop()\n                       - (suggestionsElement.height() / 2);\n        return suggestionsElement.animate({\n            scrollTop: scrollPos\n        }, 100).promise();\n    };\n\n    /**\n     * Return the index of the currently selected item in the suggestions list.\n     *\n     * @param {jQuery} suggestionsElement\n     * @return {Integer}\n     */\n    var getCurrentItem = function(suggestionsElement) {\n        // Find the active one.\n        var element = suggestionsElement.children('[aria-selected=true]');\n        // Find its index.\n        return suggestionsElement.children(':not([aria-hidden])').index(element);\n    };\n\n    /**\n     * Limit the index to the upper/lower bounds of the list (wrap in both directions).\n     *\n     * @param {Integer} index The target index.\n     * @param {Integer} length The length of the list of visible items.\n     * @return {Integer} The resulting index with necessary wrapping applied.\n     */\n    var wrapListIndex = function(index, length) {\n        index = index % length;\n        while (index < 0) {\n            index += length;\n        }\n        return index;\n    };\n\n    /**\n     * Return the index of the next item in the list without aria-disabled=true.\n     *\n     * @param {Integer} current The index of the current item.\n     * @param {Array} suggestions The list of suggestions.\n     * @return {Integer}\n     */\n    var getNextEnabledItem = function(current, suggestions) {\n        var nextIndex = wrapListIndex(current + 1, suggestions.length);\n        if (suggestions[nextIndex].getAttribute('aria-disabled')) {\n            return getNextEnabledItem(nextIndex, suggestions);\n        }\n        return nextIndex;\n    };\n\n    /**\n     * Return the index of the previous item in the list without aria-disabled=true.\n     *\n     * @param {Integer} current The index of the current item.\n     * @param {Array} suggestions The list of suggestions.\n     * @return {Integer}\n     */\n    var getPreviousEnabledItem = function(current, suggestions) {\n        var previousIndex = wrapListIndex(current - 1, suggestions.length);\n        if (suggestions[previousIndex].getAttribute('aria-disabled')) {\n            return getPreviousEnabledItem(previousIndex, suggestions);\n        }\n        return previousIndex;\n    };\n\n    /**\n     * Build a list of renderable options based on a set of option elements from the original select list.\n     *\n     * @param {jQuery} originalOptions\n     * @param {Boolean} includeEmpty\n     * @return {Array}\n     */\n    var rebuildOptions = function(originalOptions, includeEmpty) {\n        var options = [];\n        originalOptions.each(function(index, ele) {\n            var label;\n            if ($(ele).data('html')) {\n                label = $(ele).data('html');\n            } else {\n                label = $(ele).html();\n            }\n            if (includeEmpty || label !== '') {\n                options.push({\n                    label: label,\n                    value: $(ele).attr('value'),\n                    disabled: ele.disabled,\n                    classes: ele.classList,\n                });\n            }\n        });\n        return options;\n    };\n\n    /**\n     * Find the index of the current active suggestion, and activate the next one.\n     *\n     * @method activateNextItem\n     * @private\n     * @param {Object} state State variable for this auto complete element.\n     * @return {Promise}\n     */\n    var activateNextItem = function(state) {\n        // Find the list of suggestions.\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n        var suggestions = suggestionsElement.children(':not([aria-hidden])');\n        var current = getCurrentItem(suggestionsElement);\n        // Activate the next one.\n        return activateItem(getNextEnabledItem(current, suggestions), state);\n    };\n\n    /**\n     * Find the index of the current active selection, and activate the previous one.\n     *\n     * @method activatePreviousSelection\n     * @private\n     * @param {Object} state State variables for this instance of autocomplete.\n     * @return {Promise}\n     */\n    var activatePreviousSelection = function(state) {\n        // Find the list of selections.\n        var selectionsElement = $(document.getElementById(state.selectionId));\n        // Find the active one.\n        var element = selectionsElement.children('[data-active-selection]');\n        if (!element) {\n            return activateSelection(0, state);\n        }\n        // Find it's index.\n        var current = selectionsElement.children('[aria-selected=true]').index(element);\n        // Activate the next one.\n        return activateSelection(current - 1, state);\n    };\n\n    /**\n     * Find the index of the current active selection, and activate the next one.\n     *\n     * @method activateNextSelection\n     * @private\n     * @param {Object} state State variables for this instance of autocomplete.\n     * @return {Promise}\n     */\n    var activateNextSelection = function(state) {\n        // Find the list of selections.\n        var selectionsElement = $(document.getElementById(state.selectionId));\n\n        // Find the active one.\n        var element = selectionsElement.children('[data-active-selection]');\n        var current = 0;\n\n        if (element) {\n            // The element was found. Determine the index and move to the next one.\n            current = selectionsElement.children('[aria-selected=true]').index(element);\n            current = current + 1;\n        } else {\n            // No selected item found. Move to the first.\n            current = 0;\n        }\n\n        return activateSelection(current, state);\n    };\n\n    /**\n     * Find the index of the current active suggestion, and activate the previous one.\n     *\n     * @method activatePreviousItem\n     * @private\n     * @param {Object} state State variables for this autocomplete element.\n     * @return {Promise}\n     */\n    var activatePreviousItem = function(state) {\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n        var suggestions = suggestionsElement.children(':not([aria-hidden])');\n        var current = getCurrentItem(suggestionsElement);\n        // Activate the previous one.\n        return activateItem(getPreviousEnabledItem(current, suggestions), state);\n    };\n\n    /**\n     * Close the list of suggestions.\n     *\n     * @method closeSuggestions\n     * @private\n     * @param {Object} state State variables for this autocomplete element.\n     * @return {Promise}\n     */\n    var closeSuggestions = function(state) {\n        // Find the elements in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n        if (inputElement.attr('aria-expanded') === \"true\") {\n            // Announce the list of suggestions was closed.\n            inputElement.attr('aria-expanded', false);\n        }\n        // Read the current list of selections.\n        inputElement.attr('aria-activedescendant', state.selectionId);\n\n        // Hide the suggestions list (from screen readers too).\n        Aria.hide(suggestionsElement.get());\n        suggestionsElement.hide();\n\n        return $.Deferred().resolve();\n    };\n\n    /**\n     * Rebuild the list of suggestions based on the current values in the select list, and the query.\n     * Any options in the original select with [data-enabled=disabled] will not be included\n     * as a suggestion option in the enhanced field.\n     *\n     * @method updateSuggestions\n     * @private\n     * @param {Object} options The original options for this autocomplete.\n     * @param {Object} state The state variables for this autocomplete.\n     * @param {String} query The current text for the search string.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var updateSuggestions = function(options, state, query, originalSelect) {\n        var pendingKey = 'form-autocomplete-updateSuggestions-' + state.inputId;\n        M.util.js_pending(pendingKey);\n\n        // Find the elements in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n        // Used to track if we found any visible suggestions.\n        var matchingElements = false;\n        // Options is used by the context when rendering the suggestions from a template.\n        var suggestions = rebuildOptions(originalSelect.children('option:not(:selected, [data-enabled=\"disabled\"])'), true);\n\n        // Re-render the list of suggestions.\n        var searchquery = state.caseSensitive ? query : query.toLocaleLowerCase();\n        var context = $.extend({options: suggestions}, options, state);\n        var returnVal = templates.render(\n            'core/form_autocomplete_suggestions',\n            context\n        )\n        .then(function(html, js) {\n            // We have the new template, insert it in the page.\n            templates.replaceNode(suggestionsElement, html, js);\n\n            // Get the element again.\n            suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n            // Show it if it is hidden.\n            Aria.unhide(suggestionsElement.get());\n            Popper.createPopper(inputElement[0], suggestionsElement[0], {\n                placement: 'bottom-start',\n                modifiers: [{name: 'flip', enabled: false}],\n            });\n\n            // For each option in the list, hide it if it doesn't match the query.\n            suggestionsElement.children().each(function(index, node) {\n                node = $(node);\n                if ((options.caseSensitive && node.text().indexOf(searchquery) > -1) ||\n                        (!options.caseSensitive && node.text().toLocaleLowerCase().indexOf(searchquery) > -1)) {\n                    Aria.unhide(node.get());\n                    node.show();\n                    matchingElements = true;\n                } else {\n                    node.hide();\n                    Aria.hide(node.get());\n                }\n            });\n            // If we found any matches, show the list.\n            inputElement.attr('aria-expanded', true);\n            if (originalSelect.attr('data-notice')) {\n                // Display a notice rather than actual suggestions.\n                suggestionsElement.html(originalSelect.attr('data-notice'));\n            } else if (matchingElements) {\n                // We only activate the first item in the list if tags is false,\n                // because otherwise \"Enter\" would select the first item, instead of\n                // creating a new tag.\n                if (!options.tags) {\n                    activateItem(0, state);\n                }\n            } else {\n                // Nothing matches. Tell them that.\n                str.get_string('nosuggestions', 'form').done(function(nosuggestionsstr) {\n                    suggestionsElement.html(nosuggestionsstr);\n                });\n            }\n\n            return suggestionsElement;\n        })\n        .then(function() {\n            return M.util.js_complete(pendingKey);\n        })\n        .catch(notification.exception);\n\n        return returnVal;\n    };\n\n    /**\n     * Create a new item for the list (a tag).\n     *\n     * @method createItem\n     * @private\n     * @param {Object} options The original options for the autocomplete.\n     * @param {Object} state State variables for the autocomplete.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var createItem = function(options, state, originalSelect) {\n        // Find the element in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        // Get the current text in the input field.\n        var query = inputElement.val();\n        var tags = query.split(',');\n        var found = false;\n\n        $.each(tags, function(tagindex, tag) {\n            // If we can only select one at a time, deselect any current value.\n            tag = tag.trim();\n            if (tag !== '') {\n                if (!options.multiple) {\n                    originalSelect.children('option').prop('selected', false);\n                }\n                // Look for an existing option in the select list that matches this new tag.\n                originalSelect.children('option').each(function(index, ele) {\n                    if ($(ele).attr('value') == tag) {\n                        found = true;\n                        $(ele).prop('selected', true);\n                    }\n                });\n                // Only create the item if it's new.\n                if (!found) {\n                    var option = $('<option>');\n                    option.append(document.createTextNode(tag));\n                    option.attr('value', tag);\n                    originalSelect.append(option);\n                    option.prop('selected', true);\n                    // We mark newly created custom options as we handle them differently if they are \"deselected\".\n                    option.attr('data-iscustom', true);\n                }\n            }\n        });\n\n        return updateSelectionList(options, state, originalSelect)\n        .then(function() {\n            // Notify that the selection changed.\n            notifyChange(originalSelect);\n\n            return;\n        })\n        .then(function() {\n            // Clear the input field.\n            inputElement.val('');\n\n            return;\n        })\n        .then(function() {\n            // Close the suggestions list.\n            return closeSuggestions(state);\n        });\n    };\n\n    /**\n     * Select the currently active item from the suggestions list.\n     *\n     * @method selectCurrentItem\n     * @private\n     * @param {Object} options The original options for the autocomplete.\n     * @param {Object} state State variables for the autocomplete.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var selectCurrentItem = function(options, state, originalSelect) {\n        // Find the elements in the page.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n        // Here loop through suggestions and set val to join of all selected items.\n\n        var selectedItemValue = suggestionsElement.children('[aria-selected=true]').attr('data-value');\n        // The select will either be a single or multi select, so the following will either\n        // select one or more items correctly.\n        // Take care to use 'prop' and not 'attr' for selected properties.\n        // If only one can be selected at a time, start by deselecting everything.\n        if (!options.multiple) {\n            originalSelect.children('option').prop('selected', false);\n        }\n        // Look for a match, and toggle the selected property if there is a match.\n        originalSelect.children('option').each(function(index, ele) {\n            if ($(ele).attr('value') == selectedItemValue) {\n                $(ele).prop('selected', true);\n            }\n        });\n\n        return updateSelectionList(options, state, originalSelect)\n        .then(function() {\n            // Notify that the selection changed.\n            notifyChange(originalSelect);\n\n            return;\n        })\n        .then(function() {\n            if (options.closeSuggestionsOnSelect) {\n                // Clear the input element.\n                inputElement.val('');\n                // Close the list of suggestions.\n                return closeSuggestions(state);\n            } else {\n                // Focus on the input element so the suggestions does not auto-close.\n                inputElement.focus();\n                // Remove the last selected item from the suggestions list.\n                return updateSuggestions(options, state, inputElement.val(), originalSelect);\n            }\n        });\n    };\n\n    /**\n     * Fetch a new list of options via ajax.\n     *\n     * @method updateAjax\n     * @private\n     * @param {Event} e The event that triggered this update.\n     * @param {Object} options The original options for the autocomplete.\n     * @param {Object} state The state variables for the autocomplete.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @param {Object} ajaxHandler This is a module that does the ajax fetch and translates the results.\n     * @return {Promise}\n     */\n    var updateAjax = function(e, options, state, originalSelect, ajaxHandler) {\n        var pendingPromise = addPendingJSPromise('updateAjax');\n        // We need to show the indicator outside of the hidden select list.\n        // So we get the parent id of the hidden select list.\n        var parentElement = $(document.getElementById(state.selectId)).parent();\n        LoadingIcon.addIconToContainerRemoveOnCompletion(parentElement, pendingPromise);\n\n        // Get the query to pass to the ajax function.\n        var query = $(e.currentTarget).val();\n        // Call the transport function to do the ajax (name taken from Select2).\n        ajaxHandler.transport(options.selector, query, function(results) {\n            // We got a result - pass it through the translator before using it.\n            var processedResults = ajaxHandler.processResults(options.selector, results);\n            var existingValues = [];\n\n            // Now destroy all options that are not current\n            originalSelect.children('option').each(function(optionIndex, option) {\n                option = $(option);\n                if (!option.prop('selected')) {\n                    option.remove();\n                } else {\n                    existingValues.push(String(option.attr('value')));\n                }\n            });\n\n            if (!options.multiple && originalSelect.children('option').length === 0) {\n                // If this is a single select - and there are no current options\n                // the first option added will be selected by the browser. This causes a bug!\n                // We need to insert an empty option so that none of the real options are selected.\n                var option = $('<option>');\n                originalSelect.append(option);\n            }\n            if ($.isArray(processedResults)) {\n                // Add all the new ones returned from ajax.\n                $.each(processedResults, function(resultIndex, result) {\n                    if (existingValues.indexOf(String(result.value)) === -1) {\n                        var option = $('<option>');\n                        option.append(result.label);\n                        option.attr('value', result.value);\n                        originalSelect.append(option);\n                    }\n                });\n                originalSelect.attr('data-notice', '');\n            } else {\n                // The AJAX handler returned a string instead of the array.\n                originalSelect.attr('data-notice', processedResults);\n            }\n            // Update the list of suggestions now from the new values in the select list.\n            pendingPromise.resolve(updateSuggestions(options, state, '', originalSelect));\n        }, function(error) {\n            pendingPromise.reject(error);\n        });\n\n        return pendingPromise;\n    };\n\n    /**\n     * Add all the event listeners required for keyboard nav, blur clicks etc.\n     *\n     * @method addNavigation\n     * @private\n     * @param {Object} options The options used to create this autocomplete element.\n     * @param {Object} state State variables for this autocomplete element.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     */\n    var addNavigation = function(options, state, originalSelect) {\n        // Start with the input element.\n        var inputElement = $(document.getElementById(state.inputId));\n        // Add keyboard nav with keydown.\n        inputElement.on('keydown', function(e) {\n            var pendingJsPromise = addPendingJSPromise('addNavigation-' + state.inputId + '-' + e.keyCode);\n\n            switch (e.keyCode) {\n                case KEYS.DOWN:\n                    // If the suggestion list is open, move to the next item.\n                    if (!options.showSuggestions) {\n                        // Do not consume this event.\n                        pendingJsPromise.resolve();\n                        return true;\n                    } else if (inputElement.attr('aria-expanded') === \"true\") {\n                        pendingJsPromise.resolve(activateNextItem(state));\n                    } else {\n                        // Handle ajax population of suggestions.\n                        if (!inputElement.val() && options.ajax) {\n                            require([options.ajax], function(ajaxHandler) {\n                                pendingJsPromise.resolve(updateAjax(e, options, state, originalSelect, ajaxHandler));\n                            });\n                        } else {\n                            // Open the suggestions list.\n                            pendingJsPromise.resolve(updateSuggestions(options, state, inputElement.val(), originalSelect));\n                        }\n                    }\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n                case KEYS.UP:\n                    // Choose the previous active item.\n                    pendingJsPromise.resolve(activatePreviousItem(state));\n\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n                case KEYS.ENTER:\n                    var suggestionsElement = $(document.getElementById(state.suggestionsId));\n                    if ((inputElement.attr('aria-expanded') === \"true\") &&\n                            (suggestionsElement.children('[aria-selected=true]').length > 0)) {\n                        // If the suggestion list has an active item, select it.\n                        pendingJsPromise.resolve(selectCurrentItem(options, state, originalSelect));\n                    } else if (options.tags) {\n                        // If tags are enabled, create a tag.\n                        pendingJsPromise.resolve(createItem(options, state, originalSelect));\n                    } else {\n                        pendingJsPromise.resolve();\n                    }\n\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n                case KEYS.ESCAPE:\n                    if (inputElement.attr('aria-expanded') === \"true\") {\n                        // If the suggestion list is open, close it.\n                        pendingJsPromise.resolve(closeSuggestions(state));\n                    } else {\n                        pendingJsPromise.resolve();\n                    }\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n            }\n            pendingJsPromise.resolve();\n            return true;\n        });\n        // Support multi lingual COMMA keycode (44).\n        inputElement.on('keypress', function(e) {\n\n            if (e.keyCode === KEYS.COMMA) {\n                if (options.tags) {\n                    // If we are allowing tags, comma should create a tag (or enter).\n                    addPendingJSPromise('keypress-' + e.keyCode)\n                    .resolve(createItem(options, state, originalSelect));\n                }\n                // We handled this event, so prevent it.\n                e.preventDefault();\n                return false;\n            }\n            return true;\n        });\n        // Support submitting the form without leaving the autocomplete element,\n        // or submitting too quick before the blur handler action is completed.\n        inputElement.closest('form').on('submit', function() {\n            if (options.tags) {\n                // If tags are enabled, create a tag.\n                addPendingJSPromise('form-autocomplete-submit')\n                .resolve(createItem(options, state, originalSelect));\n            }\n\n            return true;\n        });\n        inputElement.on('blur', function() {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-blur');\n            window.setTimeout(function() {\n                // Get the current element with focus.\n                var focusElement = $(document.activeElement);\n                var timeoutPromise = $.Deferred();\n\n                // Only close the menu if the input hasn't regained focus and if the element still exists,\n                // and regain focus if the scrollbar is clicked.\n                // Due to the half a second delay, it is possible that the input element no longer exist\n                // by the time this code is being executed.\n                if (focusElement.is(document.getElementById(state.suggestionsId))) {\n                    inputElement.focus(); // Probably the scrollbar is clicked. Regain focus.\n                } else if (!focusElement.is(inputElement) && $(document.getElementById(state.inputId)).length) {\n                    if (options.tags) {\n                        timeoutPromise.then(function() {\n                            return createItem(options, state, originalSelect);\n                        })\n                        .catch();\n                    }\n                    timeoutPromise.then(function() {\n                        return closeSuggestions(state);\n                    })\n                    .catch();\n                }\n\n                timeoutPromise.then(function() {\n                    return pendingPromise.resolve();\n                })\n                .catch();\n                timeoutPromise.resolve();\n            }, 500);\n        });\n        if (options.showSuggestions) {\n            var arrowElement = $(document.getElementById(state.downArrowId));\n            arrowElement.on('click', function(e) {\n                var pendingPromise = addPendingJSPromise('form-autocomplete-show-suggestions');\n\n                // Prevent the close timer, or we will open, then close the suggestions.\n                inputElement.focus();\n\n                // Handle ajax population of suggestions.\n                if (!inputElement.val() && options.ajax) {\n                    require([options.ajax], function(ajaxHandler) {\n                        pendingPromise.resolve(updateAjax(e, options, state, originalSelect, ajaxHandler));\n                    });\n                } else {\n                    // Else - open the suggestions list.\n                    pendingPromise.resolve(updateSuggestions(options, state, inputElement.val(), originalSelect));\n                }\n            });\n        }\n\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n        // Remove any click handler first.\n        suggestionsElement.parent().prop(\"onclick\", null).off(\"click\");\n        suggestionsElement.parent().on('click', `#${state.suggestionsId} [role=option]`, function(e) {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-parent');\n            // Handle clicks on suggestions.\n            var element = $(e.currentTarget).closest('[role=option]');\n            var suggestionsElement = $(document.getElementById(state.suggestionsId));\n            // Find the index of the clicked on suggestion.\n            var current = suggestionsElement.children(':not([aria-hidden])').index(element);\n\n            // Activate it.\n            activateItem(current, state)\n            .then(function() {\n                // And select it.\n                return selectCurrentItem(options, state, originalSelect);\n            })\n            .then(function() {\n                return pendingPromise.resolve();\n            })\n            .catch();\n        });\n        var selectionElement = $(document.getElementById(state.selectionId));\n\n        // Handle clicks on the selected items (will unselect an item).\n        selectionElement.on('click', '[role=option]', function(e) {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-clicks');\n\n            // Remove it from the selection.\n            pendingPromise.resolve(deselectItem(options, state, $(e.currentTarget), originalSelect));\n        });\n\n        // When listbox is focused, focus on the first option if there is no focused option.\n        selectionElement.on('focus', function() {\n            updateActiveSelectionFromState(state);\n        });\n\n        // Keyboard navigation for the selection list.\n        selectionElement.on('keydown', function(e) {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-keydown-' + e.keyCode);\n            switch (e.keyCode) {\n                case KEYS.RIGHT:\n                case KEYS.DOWN:\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n\n                    // Choose the next selection item.\n                    pendingPromise.resolve(activateNextSelection(state));\n                    return;\n                case KEYS.LEFT:\n                case KEYS.UP:\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n\n                    // Choose the previous selection item.\n                    pendingPromise.resolve(activatePreviousSelection(state));\n                    return;\n                case KEYS.SPACE:\n                case KEYS.ENTER:\n                    // Get the item that is currently selected.\n                    var selectedItem = $(document.getElementById(state.selectionId)).children('[data-active-selection]');\n                    if (selectedItem) {\n                        e.preventDefault();\n\n                        // Unselect this item.\n                        pendingPromise.resolve(deselectItem(options, state, selectedItem, originalSelect));\n                    }\n                    return;\n            }\n\n            // Not handled. Resolve the promise.\n            pendingPromise.resolve();\n        });\n        // Whenever the input field changes, update the suggestion list.\n        if (options.showSuggestions) {\n            // Store the value of the field as its last value, when the field gains focus.\n            inputElement.on('focus', function(e) {\n                var query = $(e.currentTarget).val();\n                $(e.currentTarget).data('last-value', query);\n            });\n\n            // If this field uses ajax, set it up.\n            if (options.ajax) {\n                require([options.ajax], function(ajaxHandler) {\n                    // Creating throttled handlers free of race conditions, and accurate.\n                    // This code keeps track of a throttleTimeout, which is periodically polled.\n                    // Once the throttled function is executed, the fact that it is running is noted.\n                    // If a subsequent request comes in whilst it is running, this request is re-applied.\n                    var throttleTimeout = null;\n                    var inProgress = false;\n                    var pendingKey = 'autocomplete-throttledhandler';\n                    var handler = function(e) {\n                        // Empty the current timeout.\n                        throttleTimeout = null;\n\n                        // Mark this request as in-progress.\n                        inProgress = true;\n\n                        // Process the request.\n                        updateAjax(e, options, state, originalSelect, ajaxHandler)\n                        .then(function() {\n                            // Check if the throttleTimeout is still empty.\n                            // There's a potential condition whereby the JS request takes long enough to complete that\n                            // another task has been queued.\n                            // In this case another task will be kicked off and we must wait for that before marking htis as\n                            // complete.\n                            if (null === throttleTimeout) {\n                                // Mark this task as complete.\n                                M.util.js_complete(pendingKey);\n                            }\n                            inProgress = false;\n\n                            return arguments[0];\n                        })\n                        .catch(notification.exception);\n                    };\n\n                    // For input events, we do not want to trigger many, many updates.\n                    var throttledHandler = function(e) {\n                        window.clearTimeout(throttleTimeout);\n                        if (inProgress) {\n                            // A request is currently ongoing.\n                            // Delay this request another 100ms.\n                            throttleTimeout = window.setTimeout(throttledHandler.bind(this, e), 100);\n                            return;\n                        }\n\n                        if (throttleTimeout === null) {\n                            // There is currently no existing timeout handler, and it has not been recently cleared, so\n                            // this is the start of a throttling check.\n                            M.util.js_pending(pendingKey);\n                        }\n\n                        // There is currently no existing timeout handler, and it has not been recently cleared, so this\n                        // is the start of a throttling check.\n                        // Queue a call to the handler.\n                        throttleTimeout = window.setTimeout(handler.bind(this, e), 300);\n                    };\n\n                    // Trigger an ajax update after the text field value changes.\n                    inputElement.on('input', function(e) {\n                        var query = $(e.currentTarget).val();\n                        var last = $(e.currentTarget).data('last-value');\n                        // IE11 fires many more input events than required - even when the value has not changed.\n                        if (last !== query) {\n                            throttledHandler(e);\n                        }\n                        $(e.currentTarget).data('last-value', query);\n                    });\n                });\n            } else {\n                inputElement.on('input', function(e) {\n                    var query = $(e.currentTarget).val();\n                    var last = $(e.currentTarget).data('last-value');\n                    // IE11 fires many more input events than required - even when the value has not changed.\n                    // We need to only do this for real value changed events or the suggestions will be\n                    // unclickable on IE11 (because they will be rebuilt before the click event fires).\n                    // Note - because of this we cannot close the list when the query is empty or it will break\n                    // on IE11.\n                    if (last !== query) {\n                        updateSuggestions(options, state, query, originalSelect);\n                    }\n                    $(e.currentTarget).data('last-value', query);\n                });\n            }\n        }\n\n        // Add a Bootstrap keydown handler to close the suggestions list preventing the whole Dropdown close.\n        EventHandler.on(document, 'keydown.bs.dropdown.data-api', '.dropdown-menu', (event) => {\n            const pendingPromise = addPendingJSPromise('addNavigation-' + state.inputId + '-' + event.key);\n            if (event.key === \"Escape\" && inputElement.attr('aria-expanded') === \"true\") {\n                event.stopImmediatePropagation();\n                return pendingPromise.resolve(closeSuggestions(state));\n            }\n            return pendingPromise.resolve();\n        });\n    };\n\n    /**\n     * Create and return an unresolved Promise for some pending JS.\n     *\n     * @param   {String} key The unique identifier for this promise\n     * @return  {Promise}\n     */\n    var addPendingJSPromise = function(key) {\n            var pendingKey = 'form-autocomplete:' + key;\n\n            M.util.js_pending(pendingKey);\n\n            var pendingPromise = $.Deferred();\n\n            pendingPromise\n            .then(function() {\n                M.util.js_complete(pendingKey);\n\n                return arguments[0];\n            })\n            .catch(notification.exception);\n\n            return pendingPromise;\n    };\n\n    /**\n     * Turn a boring select box into an auto-complete beast.\n     *\n     * @method enhanceField\n     * @param {string} selector The selector that identifies the select box.\n     * @param {boolean} tags Whether to allow support for tags (can define new entries).\n     * @param {string} ajax Name of an AMD module to handle ajax requests. If specified, the AMD\n     *                      module must expose 2 functions \"transport\" and \"processResults\".\n     *                      These are modeled on Select2 see: https://select2.github.io/options.html#ajax\n     * @param {String|Promise<string>} placeholder - The text to display before a selection is made.\n     * @param {Boolean} caseSensitive - If search has to be made case sensitive.\n     * @param {Boolean} showSuggestions - If suggestions should be shown\n     * @param {String|Promise<string>} noSelectionString - Text to display when there is no selection\n     * @param {Boolean} closeSuggestionsOnSelect - Whether to close the suggestions immediately after making a selection.\n     * @param {Object} templateOverrides A set of templates to use instead of the standard templates\n     * @return {Promise}\n     */\n     var enhanceField = async function(selector, tags, ajax, placeholder, caseSensitive, showSuggestions, noSelectionString,\n                          closeSuggestionsOnSelect, templateOverrides) {\n            // Set some default values.\n            var options = {\n                selector: selector,\n                tags: false,\n                ajax: false,\n                placeholder: await placeholder,\n                caseSensitive: false,\n                showSuggestions: true,\n                noSelectionString: await noSelectionString,\n                templates: $.extend({\n                        input: 'core/form_autocomplete_input',\n                        items: 'core/form_autocomplete_selection_items',\n                        layout: 'core/form_autocomplete_layout',\n                        selection: 'core/form_autocomplete_selection',\n                        suggestions: 'core/form_autocomplete_suggestions',\n                    }, templateOverrides),\n            };\n            var pendingKey = 'autocomplete-setup-' + selector;\n            M.util.js_pending(pendingKey);\n            if (typeof tags !== \"undefined\") {\n                options.tags = tags;\n            }\n            if (typeof ajax !== \"undefined\") {\n                options.ajax = ajax;\n            }\n            if (typeof caseSensitive !== \"undefined\") {\n                options.caseSensitive = caseSensitive;\n            }\n            if (typeof showSuggestions !== \"undefined\") {\n                options.showSuggestions = showSuggestions;\n            }\n            if (typeof noSelectionString === \"undefined\") {\n                str.get_string('noselection', 'form').done(function(result) {\n                    options.noSelectionString = result;\n                }).fail(notification.exception);\n            }\n\n            // Look for the select element.\n            var originalSelect = $(selector);\n            if (!originalSelect) {\n                log.debug('Selector not found: ' + selector);\n                M.util.js_complete(pendingKey);\n                return false;\n            }\n\n            // Ensure we enhance the element only once.\n            if (originalSelect.data('enhanced') === 'enhanced') {\n                M.util.js_complete(pendingKey);\n                return false;\n            }\n            originalSelect.data('enhanced', 'enhanced');\n\n            // Hide the original select.\n            Aria.hide(originalSelect.get());\n            originalSelect.css('visibility', 'hidden');\n\n            // Find or generate some ids.\n            var state = {\n                selectId: originalSelect.attr('id'),\n                inputId: 'form_autocomplete_input-' + uniqueId,\n                suggestionsId: 'form_autocomplete_suggestions-' + uniqueId,\n                selectionId: 'form_autocomplete_selection-' + uniqueId,\n                downArrowId: 'form_autocomplete_downarrow-' + uniqueId,\n                items: [],\n                required: originalSelect[0]?.ariaRequired === 'true',\n            };\n\n            // Increment the unique counter so we don't get duplicates ever.\n            uniqueId++;\n\n            options.multiple = originalSelect.attr('multiple');\n            if (!options.multiple) {\n                // If this is a single select then there is no way to de-select the current value -\n                // unless we add a bogus blank option to be selected when nothing else is.\n                // This matches similar code in updateAjax above.\n                originalSelect.prepend('<option>');\n            }\n\n            if (typeof closeSuggestionsOnSelect !== \"undefined\") {\n                options.closeSuggestionsOnSelect = closeSuggestionsOnSelect;\n            } else {\n                // If not specified, this will close suggestions by default for single-select elements only.\n                options.closeSuggestionsOnSelect = !options.multiple;\n            }\n\n            var originalLabel = $('[for=' + state.selectId + ']');\n            // Create the new markup and insert it after the select.\n            var suggestions = rebuildOptions(originalSelect.children('option'), true);\n\n            // Render all the parts of our UI.\n            var context = $.extend({}, options, state);\n            context.options = suggestions;\n            context.items = [];\n\n            // Collect rendered inline JS to be executed once the HTML is shown.\n            var collectedjs = '';\n\n            var renderLayout = templates.render(options.templates.layout, {})\n            .then(function(html) {\n                return $(html);\n            });\n\n            var renderInput = templates.render(options.templates.input, context).then(function(html, js) {\n                collectedjs += js;\n                return $(html);\n            });\n\n            var renderDatalist = templates.render(options.templates.suggestions, context).then(function(html, js) {\n                collectedjs += js;\n                return $(html);\n            });\n\n            var renderSelection = templates.render(options.templates.selection, context).then(function(html, js) {\n                collectedjs += js;\n                return $(html);\n            });\n\n            return Promise.all([renderLayout, renderInput, renderDatalist, renderSelection])\n            .then(function([layout, input, suggestions, selection]) {\n                originalSelect.hide();\n                var container = originalSelect.parent();\n\n                // Ensure that the data-fieldtype is set for behat.\n                input.find('input').attr('data-fieldtype', 'autocomplete');\n\n                container.append(layout);\n                container.find('[data-region=\"form_autocomplete-input\"]').replaceWith(input);\n                container.find('[data-region=\"form_autocomplete-suggestions\"]').replaceWith(suggestions);\n                container.find('[data-region=\"form_autocomplete-selection\"]').replaceWith(selection);\n\n                templates.runTemplateJS(collectedjs);\n\n                // Update the form label to point to the text input.\n                originalLabel.attr('for', state.inputId);\n                // Add the event handlers.\n                addNavigation(options, state, originalSelect);\n\n                var suggestionsElement = $(document.getElementById(state.suggestionsId));\n                // Hide the suggestions by default.\n                suggestionsElement.hide();\n                Aria.hide(suggestionsElement.get());\n\n                return;\n            })\n            .then(function() {\n                // Show the current values in the selection list.\n                return updateSelectionList(options, state, originalSelect);\n            })\n            .then(function() {\n                return M.util.js_complete(pendingKey);\n            })\n            .catch(function(error) {\n                M.util.js_complete(pendingKey);\n                notification.exception(error);\n            });\n    };\n\n    return {\n        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\ No newline at end of file
diff --git a/lib/amd/src/form-autocomplete.js b/lib/amd/src/form-autocomplete.js
index cd3901f2cdb..cb52422f3b7 100644
--- a/lib/amd/src/form-autocomplete.js
+++ b/lib/amd/src/form-autocomplete.js
@@ -31,6 +31,7 @@ define([
     'core/aria',
     'core_form/changechecker',
     'core/popper2',
+    'theme_boost/bootstrap/dom/event-handler',
 ], function(
     $,
     log,
@@ -40,7 +41,8 @@ define([
     LoadingIcon,
     Aria,
     FormChangeChecker,
-    Popper
+    Popper,
+    EventHandler,
 ) {
     // Private functions and variables.
     /** @var {Object} KEYS - List of keycode constants. */
@@ -1083,6 +1085,16 @@ define([
                 });
             }
         }
+
+        // Add a Bootstrap keydown handler to close the suggestions list preventing the whole Dropdown close.
+        EventHandler.on(document, 'keydown.bs.dropdown.data-api', '.dropdown-menu', (event) => {
+            const pendingPromise = addPendingJSPromise('addNavigation-' + state.inputId + '-' + event.key);
+            if (event.key === "Escape" && inputElement.attr('aria-expanded') === "true") {
+                event.stopImmediatePropagation();
+                return pendingPromise.resolve(closeSuggestions(state));
+            }
+            return pendingPromise.resolve();
+        });
     };
 
     /**
diff --git a/theme/boost/amd/build/aria.min.js b/theme/boost/amd/build/aria.min.js
index a71b4c4ea99..698940fb71c 100644
--- a/theme/boost/amd/build/aria.min.js
+++ b/theme/boost/amd/build/aria.min.js
@@ -5,6 +5,6 @@ define("theme_boost/aria",["exports","theme_boost/bootstrap/tab","core/pending",
    * @module     theme_boost/aria
    * @copyright  2018 Damyon Wiese <damyon@moodle.com>
    * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
-   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0,_tab=_interopRequireDefault(_tab),_pending=_interopRequireDefault(_pending),FocusLockManager=function(obj,nodeInterop){if(!nodeInterop&&obj&&obj.__esModule)return obj;if(null===obj||"object"!=typeof obj&&"function"!=typeof obj)return{default:obj};var cache=_getRequireWildcardCache(nodeInterop);if(cache&&cache.has(obj))return cache.get(obj);var newObj={},hasPropertyDescriptor=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var key in obj)if("default"!==key&&Object.prototype.hasOwnProperty.call(obj,key)){var desc=hasPropertyDescriptor?Object.getOwnPropertyDescriptor(obj,key):null;desc&&(desc.get||desc.set)?Object.defineProperty(newObj,key,desc):newObj[key]=obj[key]}newObj.default=obj,cache&&cache.set(obj,newObj);return newObj}(FocusLockManager);const dropdownFix=()=>{let focusEnd=!1;const setFocusEnd=function(){let end=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];focusEnd=end},shiftFocus=function(element){let focusCheck=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;const pendingPromise=new _pending.default("core/aria:delayed-focus");setTimeout((()=>{focusCheck&&!focusCheck()||element.focus(),pendingPromise.resolve()}),50)},handleMenuButton=e=>{const trigger=e.key;let fixFocus=!1;if(" "!==trigger&&"Enter"!==trigger||(fixFocus=!0,e.preventDefault(),e.target.click()),"ArrowUp"!==trigger&&"ArrowDown"!==trigger||(fixFocus=!0),!fixFocus)return;const menu=e.target.parentElement.querySelector('[role="menu"]');let menuItems=!1,foundMenuItem=!1;menu&&(menuItems=menu.querySelectorAll('[role="menuitem"]')),menuItems&&menuItems.length>0&&("ArrowUp"===trigger?setFocusEnd():setFocusEnd(!1),foundMenuItem=(()=>{const result=focusEnd;return focusEnd=!1,result})()?menuItems[menuItems.length-1]:menuItems[0]),foundMenuItem&&shiftFocus(foundMenuItem)};document.addEventListener("keypress",(e=>{if(e.target.matches('[role="menu"] [role="menuitem"]')){const menu=e.target.closest('[role="menu"]');if(!menu)return;const menuItems=menu.querySelectorAll('[role="menuitem"]');if(!menuItems)return;const trigger=e.key.toLowerCase();for(let i=0;i<menuItems.length;i++){const item=menuItems[i];if(0==item.text.trim().toLowerCase().indexOf(trigger)){shiftFocus(item);break}}}})),document.addEventListener("keydown",(e=>{if(e.target.matches('[data-bs-toggle="dropdown"]')&&handleMenuButton(e),e.target.matches('[role="menu"] [role="menuitem"]')){const trigger=e.key;let next=!1;const menu=e.target.closest('[role="menu"]');if(!menu)return;const menuItems=menu.querySelectorAll('[role="menuitem"]');if(!menuItems)return;if("ArrowDown"==trigger){for(let i=0;i<menuItems.length-1;i++)if(menuItems[i]==e.target){next=menuItems[i+1];break}next||(next=menuItems[0])}else if("ArrowUp"==trigger){for(let i=1;i<menuItems.length;i++)if(menuItems[i]==e.target){next=menuItems[i-1];break}next||(next=menuItems[menuItems.length-1])}else"Home"==trigger?next=menuItems[0]:"End"==trigger&&(next=menuItems[menuItems.length-1]);next&&(e.preventDefault(),shiftFocus(next))}else;})),document.addEventListener("shown.bs.dropdown",(e=>{const dialog=e.target.querySelector('.dropdown-menu[role="dialog"]');dialog&&setTimeout((()=>{FocusLockManager.trapFocus(dialog)}))})),document.addEventListener("hidden.bs.dropdown",(e=>{var _e$clickEvent;e.target.querySelector('.dropdown-menu[role="dialog"]')&&FocusLockManager.untrapFocus();const trigger=e.target.querySelector('[data-bs-toggle="dropdown"]'),focused=(null===(_e$clickEvent=e.clickEvent)||void 0===_e$clickEvent?void 0:_e$clickEvent.target)||(document.activeElement!==document.body?document.activeElement:null);trigger&&focused&&e.target.contains(focused)&&shiftFocus(trigger,(()=>document.activeElement===document.body||e.target.contains(document.activeElement)))})),document.addEventListener("hide.bs.dropdown",(e=>{if(!e.target.closest(".dropdown"))return;const autocompleteSuggestions=document.querySelector('.form-autocomplete-suggestions:not([aria-hidden="true"])');if(autocompleteSuggestions){e.preventDefault();const autocompleteInput=autocompleteSuggestions.closest('[data-fieldtype="autocomplete"]').querySelector(".form-autocomplete-input input");setTimeout((()=>autocompleteInput.focus()),1e3)}}))},rovingFocus=(elements,e,vertical,updateTabIndex)=>{const rtl=window.right_to_left(),arrowNext=vertical?"ArrowDown":rtl?"ArrowLeft":"ArrowRight",arrowPrevious=vertical?"ArrowUp":rtl?"ArrowRight":"ArrowLeft";if(![arrowNext,arrowPrevious,"Home","End"].includes(e.key))return;const focusElement=index=>{elements[index].focus(),updateTabIndex&&elements.forEach(((element,i)=>element.setAttribute("tabindex",i===index?"0":"-1")))},currentIndex=Array.prototype.indexOf.call(elements,e.target);let nextIndex;switch(e.key){case arrowNext:e.preventDefault(),nextIndex=currentIndex+1<elements.length?currentIndex+1:0,focusElement(nextIndex);break;case arrowPrevious:e.preventDefault(),nextIndex=currentIndex-1>=0?currentIndex-1:elements.length-1,focusElement(nextIndex);break;case"Home":e.preventDefault(),focusElement(0);break;case"End":e.preventDefault(),focusElement(elements.length-1)}};_exports.init=()=>{dropdownFix(),(()=>{document.addEventListener("show.bs.dropdown",(e=>{if(e.relatedTarget.matches('[role="combobox"]')){const combobox=e.relatedTarget,listbox=document.querySelector("#".concat(combobox.getAttribute("aria-controls"),'[role="listbox"]'));if(listbox){const selectedOption=listbox.querySelector('[role="option"][aria-selected="true"]');setTimeout((()=>{if(selectedOption)selectedOption.classList.add("active"),combobox.setAttribute("aria-activedescendant",selectedOption.id);else{const firstOption=listbox.querySelector('[role="option"]');firstOption.setAttribute("aria-selected","true"),firstOption.classList.add("active"),combobox.setAttribute("aria-activedescendant",firstOption.id)}}),0)}}})),document.addEventListener("hidden.bs.dropdown",(e=>{if(e.relatedTarget.matches('[role="combobox"]')){const combobox=e.relatedTarget,listbox=document.querySelector("#".concat(combobox.getAttribute("aria-controls"),'[role="listbox"]'));combobox.removeAttribute("aria-activedescendant"),listbox&&setTimeout((()=>{listbox.querySelectorAll('.active[role="option"]').forEach((option=>{option.classList.remove("active")}))}),0)}})),document.addEventListener("keydown",(e=>{if(e.target.matches('[role="combobox"][aria-controls]:not([aria-haspopup=dialog])')){const combobox=e.target,trigger=e.key;let next=null;const listbox=document.querySelector("#".concat(combobox.getAttribute("aria-controls"),'[role="listbox"]')),options=listbox.querySelectorAll('[role="option"]'),activeOption=listbox.querySelector('.active[role="option"]'),editable=combobox.hasAttribute("aria-autocomplete");if(options&&(activeOption||editable)){if("ArrowDown"==trigger){for(let i=0;i<options.length-1;i++)if(options[i]==activeOption){next=options[i+1];break}editable&&!next&&(next=options[0])}if("ArrowUp"==trigger){for(let i=1;i<options.length;i++)if(options[i]==activeOption){next=options[i-1];break}editable&&!next&&(next=options[options.length-1])}else if("Home"!=trigger||editable)if("End"!=trigger||editable){if(" "==trigger&&!editable||"Enter"==trigger)e.preventDefault(),selectOption(combobox,activeOption);else if(!editable)for(let i=0;i<options.length;i++){const option=options[i],optionText=option.textContent.trim().toLowerCase(),keyPressed=e.key.toLowerCase();if(0==optionText.indexOf(keyPressed)){next=option;break}}}else next=options[options.length-1];else next=options[0];next&&(e.preventDefault(),activeOption&&activeOption.classList.remove("active"),next.classList.add("active"),combobox.setAttribute("aria-activedescendant",next.id),next.scrollIntoView({block:"nearest"}))}}})),document.addEventListener("click",(e=>{const option=e.target.closest('[role="listbox"] [role="option"]');if(option){const listbox=option.closest('[role="listbox"]'),combobox=document.querySelector('[role="combobox"][aria-controls="'.concat(listbox.id,'"]'));combobox&&selectOption(combobox,option)}})),document.addEventListener("change",(e=>{if(e.target.matches('input[type="hidden"][id]')){const combobox=document.querySelector('[role="combobox"][data-input-element="'.concat(e.target.id,'"]')),option=e.target.parentElement.querySelector('[role="option"][data-value="'.concat(e.target.value,'"]'));combobox&&option&&selectOption(combobox,option)}}));const selectOption=(combobox,option)=>{const oldSelectedOption=option.closest('[role="listbox"]').querySelector('[role="option"][aria-selected="true"]');if(oldSelectedOption!=option&&(oldSelectedOption&&oldSelectedOption.removeAttribute("aria-selected"),option.setAttribute("aria-selected","true")),combobox.hasAttribute("value"))combobox.value=option.dataset.shortText||option.textContent.replace(/[\n\r]+|[\s]{2,}/g," ").trim();else{const selectedOptionContainer=combobox.querySelector("[data-selected-option]");selectedOptionContainer?selectedOptionContainer.textContent=option.dataset.shortText||option.textContent:combobox.textContent=option.dataset.shortText||option.textContent}if(combobox.dataset.inputElement){const inputElement=document.getElementById(combobox.dataset.inputElement);inputElement&&inputElement.value!=option.dataset.value&&(inputElement.value=option.dataset.value,inputElement.dispatchEvent(new Event("change",{bubbles:!0})))}}})(),window.addEventListener("load",(()=>{const alerts=document.querySelectorAll('[data-aria-autofocus="true"][role="alert"]');Array.prototype.forEach.call(alerts,(autofocusElement=>{autofocusElement.innerHTML+=" ",autofocusElement.removeAttribute("data-aria-autofocus")}))})),document.addEventListener("keydown",(e=>{if(["ArrowUp","ArrowDown","ArrowLeft","ArrowRight","Home","End"].includes(e.key)&&e.target.matches('[role="tablist"] [role="tab"]')){const tabList=e.target.closest('[role="tablist"]'),tabs=Array.prototype.filter.call(tabList.querySelectorAll('[role="tab"]'),(tab=>!!tab.offsetHeight)),vertical="vertical"==tabList.getAttribute("aria-orientation");rovingFocus(tabs,e,vertical,!1)}})),document.addEventListener("click",(e=>{if(e.target.matches('[role="tablist"] [data-bs-toggle="tab"], [role="tablist"] [data-bs-toggle="pill"]')){const tabs=e.target.closest('[role="tablist"]').querySelectorAll('[data-bs-toggle="tab"], [data-bs-toggle="pill"]');e.preventDefault(),_tab.default.getOrCreateInstance(e.target).show(),tabs.forEach((tab=>{tab.tabIndex=-1})),e.target.tabIndex=0}})),document.addEventListener("keydown",(e=>{e.target.matches('[data-bs-toggle="collapse"]')&&" "===e.key&&(e.preventDefault(),e.target.click())})),document.addEventListener("keydown",(e=>{if(["ArrowUp","ArrowDown","ArrowLeft","ArrowRight","Home","End"].includes(e.key)&&e.target.matches('[role="toolbar"] button')){const buttons=e.target.closest('[role="toolbar"]').querySelectorAll("button");rovingFocus(buttons,e,!1,!0)}}))}}));
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0,_tab=_interopRequireDefault(_tab),_pending=_interopRequireDefault(_pending),FocusLockManager=function(obj,nodeInterop){if(!nodeInterop&&obj&&obj.__esModule)return obj;if(null===obj||"object"!=typeof obj&&"function"!=typeof obj)return{default:obj};var cache=_getRequireWildcardCache(nodeInterop);if(cache&&cache.has(obj))return cache.get(obj);var newObj={},hasPropertyDescriptor=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var key in obj)if("default"!==key&&Object.prototype.hasOwnProperty.call(obj,key)){var desc=hasPropertyDescriptor?Object.getOwnPropertyDescriptor(obj,key):null;desc&&(desc.get||desc.set)?Object.defineProperty(newObj,key,desc):newObj[key]=obj[key]}newObj.default=obj,cache&&cache.set(obj,newObj);return newObj}(FocusLockManager);const dropdownFix=()=>{let focusEnd=!1;const setFocusEnd=function(){let end=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];focusEnd=end},shiftFocus=function(element){let focusCheck=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;const pendingPromise=new _pending.default("core/aria:delayed-focus");setTimeout((()=>{focusCheck&&!focusCheck()||element.focus(),pendingPromise.resolve()}),50)},handleMenuButton=e=>{const trigger=e.key;let fixFocus=!1;if(" "!==trigger&&"Enter"!==trigger||(fixFocus=!0,e.preventDefault(),e.target.click()),"ArrowUp"!==trigger&&"ArrowDown"!==trigger||(fixFocus=!0),!fixFocus)return;const menu=e.target.parentElement.querySelector('[role="menu"]');let menuItems=!1,foundMenuItem=!1;menu&&(menuItems=menu.querySelectorAll('[role="menuitem"]')),menuItems&&menuItems.length>0&&("ArrowUp"===trigger?setFocusEnd():setFocusEnd(!1),foundMenuItem=(()=>{const result=focusEnd;return focusEnd=!1,result})()?menuItems[menuItems.length-1]:menuItems[0]),foundMenuItem&&shiftFocus(foundMenuItem)};document.addEventListener("keypress",(e=>{if(e.target.matches('[role="menu"] [role="menuitem"]')){const menu=e.target.closest('[role="menu"]');if(!menu)return;const menuItems=menu.querySelectorAll('[role="menuitem"]');if(!menuItems)return;const trigger=e.key.toLowerCase();for(let i=0;i<menuItems.length;i++){const item=menuItems[i];if(0==item.text.trim().toLowerCase().indexOf(trigger)){shiftFocus(item);break}}}})),document.addEventListener("keydown",(e=>{if(e.target.matches('[data-bs-toggle="dropdown"]')&&handleMenuButton(e),e.target.matches('[role="menu"] [role="menuitem"]')){const trigger=e.key;let next=!1;const menu=e.target.closest('[role="menu"]');if(!menu)return;const menuItems=menu.querySelectorAll('[role="menuitem"]');if(!menuItems)return;if("ArrowDown"==trigger){for(let i=0;i<menuItems.length-1;i++)if(menuItems[i]==e.target){next=menuItems[i+1];break}next||(next=menuItems[0])}else if("ArrowUp"==trigger){for(let i=1;i<menuItems.length;i++)if(menuItems[i]==e.target){next=menuItems[i-1];break}next||(next=menuItems[menuItems.length-1])}else"Home"==trigger?next=menuItems[0]:"End"==trigger&&(next=menuItems[menuItems.length-1]);next&&(e.preventDefault(),shiftFocus(next))}else;})),document.addEventListener("shown.bs.dropdown",(e=>{const dialog=e.target.querySelector('.dropdown-menu[role="dialog"]');dialog&&setTimeout((()=>{FocusLockManager.trapFocus(dialog)}))})),document.addEventListener("hidden.bs.dropdown",(e=>{var _e$clickEvent;e.target.querySelector('.dropdown-menu[role="dialog"]')&&FocusLockManager.untrapFocus();const trigger=e.target.querySelector('[data-bs-toggle="dropdown"]'),focused=(null===(_e$clickEvent=e.clickEvent)||void 0===_e$clickEvent?void 0:_e$clickEvent.target)||(document.activeElement!==document.body?document.activeElement:null);trigger&&focused&&e.target.contains(focused)&&shiftFocus(trigger,(()=>document.activeElement===document.body||e.target.contains(document.activeElement)))}))},rovingFocus=(elements,e,vertical,updateTabIndex)=>{const rtl=window.right_to_left(),arrowNext=vertical?"ArrowDown":rtl?"ArrowLeft":"ArrowRight",arrowPrevious=vertical?"ArrowUp":rtl?"ArrowRight":"ArrowLeft";if(![arrowNext,arrowPrevious,"Home","End"].includes(e.key))return;const focusElement=index=>{elements[index].focus(),updateTabIndex&&elements.forEach(((element,i)=>element.setAttribute("tabindex",i===index?"0":"-1")))},currentIndex=Array.prototype.indexOf.call(elements,e.target);let nextIndex;switch(e.key){case arrowNext:e.preventDefault(),nextIndex=currentIndex+1<elements.length?currentIndex+1:0,focusElement(nextIndex);break;case arrowPrevious:e.preventDefault(),nextIndex=currentIndex-1>=0?currentIndex-1:elements.length-1,focusElement(nextIndex);break;case"Home":e.preventDefault(),focusElement(0);break;case"End":e.preventDefault(),focusElement(elements.length-1)}};_exports.init=()=>{dropdownFix(),(()=>{document.addEventListener("show.bs.dropdown",(e=>{if(e.relatedTarget.matches('[role="combobox"]')){const combobox=e.relatedTarget,listbox=document.querySelector("#".concat(combobox.getAttribute("aria-controls"),'[role="listbox"]'));if(listbox){const selectedOption=listbox.querySelector('[role="option"][aria-selected="true"]');setTimeout((()=>{if(selectedOption)selectedOption.classList.add("active"),combobox.setAttribute("aria-activedescendant",selectedOption.id);else{const firstOption=listbox.querySelector('[role="option"]');firstOption.setAttribute("aria-selected","true"),firstOption.classList.add("active"),combobox.setAttribute("aria-activedescendant",firstOption.id)}}),0)}}})),document.addEventListener("hidden.bs.dropdown",(e=>{if(e.relatedTarget.matches('[role="combobox"]')){const combobox=e.relatedTarget,listbox=document.querySelector("#".concat(combobox.getAttribute("aria-controls"),'[role="listbox"]'));combobox.removeAttribute("aria-activedescendant"),listbox&&setTimeout((()=>{listbox.querySelectorAll('.active[role="option"]').forEach((option=>{option.classList.remove("active")}))}),0)}})),document.addEventListener("keydown",(e=>{if(e.target.matches('[role="combobox"][aria-controls]:not([aria-haspopup=dialog])')){const combobox=e.target,trigger=e.key;let next=null;const listbox=document.querySelector("#".concat(combobox.getAttribute("aria-controls"),'[role="listbox"]')),options=listbox.querySelectorAll('[role="option"]'),activeOption=listbox.querySelector('.active[role="option"]'),editable=combobox.hasAttribute("aria-autocomplete");if(options&&(activeOption||editable)){if("ArrowDown"==trigger){for(let i=0;i<options.length-1;i++)if(options[i]==activeOption){next=options[i+1];break}editable&&!next&&(next=options[0])}if("ArrowUp"==trigger){for(let i=1;i<options.length;i++)if(options[i]==activeOption){next=options[i-1];break}editable&&!next&&(next=options[options.length-1])}else if("Home"!=trigger||editable)if("End"!=trigger||editable){if(" "==trigger&&!editable||"Enter"==trigger)e.preventDefault(),selectOption(combobox,activeOption);else if(!editable)for(let i=0;i<options.length;i++){const option=options[i],optionText=option.textContent.trim().toLowerCase(),keyPressed=e.key.toLowerCase();if(0==optionText.indexOf(keyPressed)){next=option;break}}}else next=options[options.length-1];else next=options[0];next&&(e.preventDefault(),activeOption&&activeOption.classList.remove("active"),next.classList.add("active"),combobox.setAttribute("aria-activedescendant",next.id),next.scrollIntoView({block:"nearest"}))}}})),document.addEventListener("click",(e=>{const option=e.target.closest('[role="listbox"] [role="option"]');if(option){const listbox=option.closest('[role="listbox"]'),combobox=document.querySelector('[role="combobox"][aria-controls="'.concat(listbox.id,'"]'));combobox&&selectOption(combobox,option)}})),document.addEventListener("change",(e=>{if(e.target.matches('input[type="hidden"][id]')){const combobox=document.querySelector('[role="combobox"][data-input-element="'.concat(e.target.id,'"]')),option=e.target.parentElement.querySelector('[role="option"][data-value="'.concat(e.target.value,'"]'));combobox&&option&&selectOption(combobox,option)}}));const selectOption=(combobox,option)=>{const oldSelectedOption=option.closest('[role="listbox"]').querySelector('[role="option"][aria-selected="true"]');if(oldSelectedOption!=option&&(oldSelectedOption&&oldSelectedOption.removeAttribute("aria-selected"),option.setAttribute("aria-selected","true")),combobox.hasAttribute("value"))combobox.value=option.dataset.shortText||option.textContent.replace(/[\n\r]+|[\s]{2,}/g," ").trim();else{const selectedOptionContainer=combobox.querySelector("[data-selected-option]");selectedOptionContainer?selectedOptionContainer.textContent=option.dataset.shortText||option.textContent:combobox.textContent=option.dataset.shortText||option.textContent}if(combobox.dataset.inputElement){const inputElement=document.getElementById(combobox.dataset.inputElement);inputElement&&inputElement.value!=option.dataset.value&&(inputElement.value=option.dataset.value,inputElement.dispatchEvent(new Event("change",{bubbles:!0})))}}})(),window.addEventListener("load",(()=>{const alerts=document.querySelectorAll('[data-aria-autofocus="true"][role="alert"]');Array.prototype.forEach.call(alerts,(autofocusElement=>{autofocusElement.innerHTML+=" ",autofocusElement.removeAttribute("data-aria-autofocus")}))})),document.addEventListener("keydown",(e=>{if(["ArrowUp","ArrowDown","ArrowLeft","ArrowRight","Home","End"].includes(e.key)&&e.target.matches('[role="tablist"] [role="tab"]')){const tabList=e.target.closest('[role="tablist"]'),tabs=Array.prototype.filter.call(tabList.querySelectorAll('[role="tab"]'),(tab=>!!tab.offsetHeight)),vertical="vertical"==tabList.getAttribute("aria-orientation");rovingFocus(tabs,e,vertical,!1)}})),document.addEventListener("click",(e=>{if(e.target.matches('[role="tablist"] [data-bs-toggle="tab"], [role="tablist"] [data-bs-toggle="pill"]')){const tabs=e.target.closest('[role="tablist"]').querySelectorAll('[data-bs-toggle="tab"], [data-bs-toggle="pill"]');e.preventDefault(),_tab.default.getOrCreateInstance(e.target).show(),tabs.forEach((tab=>{tab.tabIndex=-1})),e.target.tabIndex=0}})),document.addEventListener("keydown",(e=>{e.target.matches('[data-bs-toggle="collapse"]')&&" "===e.key&&(e.preventDefault(),e.target.click())})),document.addEventListener("keydown",(e=>{if(["ArrowUp","ArrowDown","ArrowLeft","ArrowRight","Home","End"].includes(e.key)&&e.target.matches('[role="toolbar"] button')){const buttons=e.target.closest('[role="toolbar"]').querySelectorAll("button");rovingFocus(buttons,e,!1,!0)}}))}}));
 
 //# sourceMappingURL=aria.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/aria.min.js.map b/theme/boost/amd/build/aria.min.js.map
index 4e018777ad8..8a2e4dc0241 100644
--- a/theme/boost/amd/build/aria.min.js.map
+++ b/theme/boost/amd/build/aria.min.js.map
@@ -1 +1 @@
-{"version":3,"file":"aria.min.js","sources":["../src/aria.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Enhancements to Bootstrap components for accessibility.\n *\n * @module     theme_boost/aria\n * @copyright  2018 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Tab from 'theme_boost/bootstrap/tab';\nimport Pending from 'core/pending';\nimport * as FocusLockManager from 'core/local/aria/focuslock';\n\n/**\n * Drop downs from bootstrap don't support keyboard accessibility by default.\n */\nconst dropdownFix = () => {\n    let focusEnd = false;\n    const setFocusEnd = (end = true) => {\n        focusEnd = end;\n    };\n    const getFocusEnd = () => {\n        const result = focusEnd;\n        focusEnd = false;\n        return result;\n    };\n\n    // Special handling for navigation keys when menu is open.\n    const shiftFocus = (element, focusCheck = null) => {\n        const pendingPromise = new Pending('core/aria:delayed-focus');\n        setTimeout(() => {\n            if (!focusCheck || focusCheck()) {\n                element.focus();\n            }\n\n            pendingPromise.resolve();\n        }, 50);\n    };\n\n    // Event handling for the dropdown menu button.\n    const handleMenuButton = e => {\n        const trigger = e.key;\n        let fixFocus = false;\n\n        // Space key or Enter key opens the menu.\n        if (trigger === ' ' || trigger === 'Enter') {\n            fixFocus = true;\n            // Cancel random scroll.\n            e.preventDefault();\n            // Open the menu instead.\n            e.target.click();\n        }\n\n        // Up and Down keys also open the menu.\n        if (trigger === 'ArrowUp' || trigger === 'ArrowDown') {\n            fixFocus = true;\n        }\n\n        if (!fixFocus) {\n            // No need to fix the focus. Return early.\n            return;\n        }\n\n        // Fix the focus on the menu items when the menu is opened.\n        const menu = e.target.parentElement.querySelector('[role=\"menu\"]');\n        let menuItems = false;\n        let foundMenuItem = false;\n\n        if (menu) {\n            menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n        }\n        if (menuItems && menuItems.length > 0) {\n            // Up key opens the menu at the end.\n            if (trigger === 'ArrowUp') {\n                setFocusEnd();\n            } else {\n                setFocusEnd(false);\n            }\n\n            if (getFocusEnd()) {\n                foundMenuItem = menuItems[menuItems.length - 1];\n            } else {\n                // The first menu entry, pretty reasonable.\n                foundMenuItem = menuItems[0];\n            }\n        }\n\n        if (foundMenuItem) {\n            shiftFocus(foundMenuItem);\n        }\n    };\n\n    // Search for menu items by finding the first item that has\n    // text starting with the typed character (case insensitive).\n    document.addEventListener('keypress', e => {\n        if (e.target.matches('[role=\"menu\"] [role=\"menuitem\"]')) {\n            const menu = e.target.closest('[role=\"menu\"]');\n            if (!menu) {\n                return;\n            }\n            const menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n            if (!menuItems) {\n                return;\n            }\n\n            const trigger = e.key.toLowerCase();\n\n            for (let i = 0; i < menuItems.length; i++) {\n                const item = menuItems[i];\n                const itemText = item.text.trim().toLowerCase();\n                if (itemText.indexOf(trigger) == 0) {\n                    shiftFocus(item);\n                    break;\n                }\n            }\n        }\n    });\n\n    // Keyboard navigation for arrow keys, home and end keys.\n    document.addEventListener('keydown', e => {\n\n        // We only want to set focus when users access the dropdown via keyboard as per\n        // guidelines defined in w3 aria practices 1.1 menu-button.\n        if (e.target.matches('[data-bs-toggle=\"dropdown\"]')) {\n            handleMenuButton(e);\n        }\n\n        if (e.target.matches('[role=\"menu\"] [role=\"menuitem\"]')) {\n            const trigger = e.key;\n            let next = false;\n            const menu = e.target.closest('[role=\"menu\"]');\n\n            if (!menu) {\n                return;\n            }\n            const menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n            if (!menuItems) {\n                return;\n            }\n            // Down key.\n            if (trigger == 'ArrowDown') {\n                for (let i = 0; i < menuItems.length - 1; i++) {\n                    if (menuItems[i] == e.target) {\n                        next = menuItems[i + 1];\n                        break;\n                    }\n                }\n                if (!next) {\n                    // Wrap to first item.\n                    next = menuItems[0];\n                }\n            } else if (trigger == 'ArrowUp') {\n                // Up key.\n                for (let i = 1; i < menuItems.length; i++) {\n                    if (menuItems[i] == e.target) {\n                        next = menuItems[i - 1];\n                        break;\n                    }\n                }\n                if (!next) {\n                    // Wrap to last item.\n                    next = menuItems[menuItems.length - 1];\n                }\n            } else if (trigger == 'Home') {\n                // Home key.\n                next = menuItems[0];\n\n            } else if (trigger == 'End') {\n                // End key.\n                next = menuItems[menuItems.length - 1];\n            }\n\n            // Variable next is set if we do want to act on the keypress.\n            if (next) {\n                e.preventDefault();\n                shiftFocus(next);\n            }\n            return;\n        }\n    });\n\n    // Trap focus if the dropdown is a dialog.\n    document.addEventListener('shown.bs.dropdown', e => {\n        const dialog = e.target.querySelector('.dropdown-menu[role=\"dialog\"]');\n        if (dialog) {\n            // Use setTimeout to make sure the dialog is positioned correctly to prevent random scrolling.\n            setTimeout(() => {\n                FocusLockManager.trapFocus(dialog);\n            });\n        }\n    });\n\n    // Untrap focus when the dialog dropdown is closed.\n    document.addEventListener('hidden.bs.dropdown', e => {\n        const dialog = e.target.querySelector('.dropdown-menu[role=\"dialog\"]');\n        if (dialog) {\n            FocusLockManager.untrapFocus();\n        }\n\n        // We need to focus on the menu trigger.\n        const trigger = e.target.querySelector('[data-bs-toggle=\"dropdown\"]');\n        // If it's a click event, then no element is focused because the clicked element is inside a closed dropdown.\n        const focused = e.clickEvent?.target || (document.activeElement !== document.body ? document.activeElement : null);\n        if (trigger && focused && e.target.contains(focused)) {\n            shiftFocus(trigger, () => {\n                if (document.activeElement === document.body) {\n                    // If the focus is currently on the body, then we can safely assume that the focus needs to be updated.\n                    return true;\n                }\n\n                // If the focus is on a child of the clicked element still, then update the focus.\n                return e.target.contains(document.activeElement);\n            });\n        }\n    });\n\n    // Prevent closing the dropdown when the autocomplete suggestions are visible.\n    document.addEventListener('hide.bs.dropdown', (e) => {\n        const dropdown = e.target.closest('.dropdown');\n        if (!dropdown) {\n            return;\n        }\n        const autocompleteSuggestions = document.querySelector('.form-autocomplete-suggestions:not([aria-hidden=\"true\"])');\n        if (autocompleteSuggestions) {\n            // Dropdown should not be hidden while the autocomplete suggestions are visible inside.\n            e.preventDefault();\n            // Return the focus to the autocomplete input.\n            const autocompleteElement = autocompleteSuggestions.closest('[data-fieldtype=\"autocomplete\"]');\n            const autocompleteInput = autocompleteElement.querySelector('.form-autocomplete-input input');\n            setTimeout(()=> autocompleteInput.focus(), 1000);\n        }\n    });\n};\n\n/**\n * A lot of Bootstrap's out of the box features don't work if dropdown items are not focusable.\n */\nconst comboboxFix = () => {\n    document.addEventListener('show.bs.dropdown', e => {\n        if (e.relatedTarget.matches('[role=\"combobox\"]')) {\n            const combobox = e.relatedTarget;\n            const listbox = document.querySelector(`#${combobox.getAttribute('aria-controls')}[role=\"listbox\"]`);\n\n            if (listbox) {\n                const selectedOption = listbox.querySelector('[role=\"option\"][aria-selected=\"true\"]');\n\n                // To make sure ArrowDown doesn't move the active option afterwards.\n                setTimeout(() => {\n                    if (selectedOption) {\n                        selectedOption.classList.add('active');\n                        combobox.setAttribute('aria-activedescendant', selectedOption.id);\n                    } else {\n                        const firstOption = listbox.querySelector('[role=\"option\"]');\n                        firstOption.setAttribute('aria-selected', 'true');\n                        firstOption.classList.add('active');\n                        combobox.setAttribute('aria-activedescendant', firstOption.id);\n                    }\n                }, 0);\n            }\n        }\n    });\n\n    document.addEventListener('hidden.bs.dropdown', e => {\n        if (e.relatedTarget.matches('[role=\"combobox\"]')) {\n            const combobox = e.relatedTarget;\n            const listbox = document.querySelector(`#${combobox.getAttribute('aria-controls')}[role=\"listbox\"]`);\n\n            combobox.removeAttribute('aria-activedescendant');\n\n            if (listbox) {\n                setTimeout(() => {\n                    // Undo all previously highlighted options.\n                    listbox.querySelectorAll('.active[role=\"option\"]').forEach(option => {\n                        option.classList.remove('active');\n                    });\n                }, 0);\n            }\n        }\n    });\n\n    // Handling keyboard events for both navigating through and selecting options.\n    document.addEventListener('keydown', e => {\n        if (e.target.matches('[role=\"combobox\"][aria-controls]:not([aria-haspopup=dialog])')) {\n            const combobox = e.target;\n            const trigger = e.key;\n            let next = null;\n            const listbox = document.querySelector(`#${combobox.getAttribute('aria-controls')}[role=\"listbox\"]`);\n            const options = listbox.querySelectorAll('[role=\"option\"]');\n            const activeOption = listbox.querySelector('.active[role=\"option\"]');\n            const editable = combobox.hasAttribute('aria-autocomplete');\n\n            // Under the special case that the dropdown menu is being shown as a result of the key press (like when the user\n            // presses ArrowDown or Enter or ... to open the dropdown menu), activeOption is not set yet.\n            // It's because of a race condition with show.bs.dropdown event handler.\n            if (options && (activeOption || editable)) {\n                if (trigger == 'ArrowDown') {\n            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window.addEventListener(\"load\", () => {\n        const alerts = document.querySelectorAll('[data-aria-autofocus=\"true\"][role=\"alert\"]');\n        Array.prototype.forEach.call(alerts, autofocusElement => {\n            // According to the specification an role=\"alert\" region is only read out on change to the content\n            // of that region.\n            autofocusElement.innerHTML += ' ';\n            autofocusElement.removeAttribute('data-aria-autofocus');\n        });\n    });\n};\n\n/**\n * Changes the focus to the correct element based on the key that is pressed.\n * @param {NodeList} elements A NodeList of focusable elements to navigate between.\n * @param {KeyboardEvent} e The keyboard event that triggers the roving focus.\n * @param {boolean} vertical Whether the navigation is vertical.\n * @param {boolean} updateTabIndex Whether to update the tabIndex of the elements.\n */\nconst rovingFocus = (elements, e, vertical, updateTabIndex) => {\n    const rtl = 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+{"version":3,"file":"aria.min.js","sources":["../src/aria.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Enhancements to Bootstrap components for accessibility.\n *\n * @module     theme_boost/aria\n * @copyright  2018 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Tab from 'theme_boost/bootstrap/tab';\nimport Pending from 'core/pending';\nimport * as FocusLockManager from 'core/local/aria/focuslock';\n\n/**\n * Drop downs from bootstrap don't support keyboard accessibility by default.\n */\nconst dropdownFix = () => {\n    let focusEnd = false;\n    const setFocusEnd = (end = true) => {\n        focusEnd = end;\n    };\n    const getFocusEnd = () => {\n        const result = focusEnd;\n        focusEnd = false;\n        return result;\n    };\n\n    // Special handling for navigation keys when menu is open.\n    const shiftFocus = (element, focusCheck = null) => {\n        const pendingPromise = new Pending('core/aria:delayed-focus');\n        setTimeout(() => {\n            if (!focusCheck || focusCheck()) {\n                element.focus();\n            }\n\n            pendingPromise.resolve();\n        }, 50);\n    };\n\n    // Event handling for the dropdown menu button.\n    const handleMenuButton = e => {\n        const trigger = e.key;\n        let fixFocus = false;\n\n        // Space key or Enter key opens the menu.\n        if (trigger === ' ' || trigger === 'Enter') {\n            fixFocus = true;\n            // Cancel random scroll.\n            e.preventDefault();\n            // Open the menu instead.\n            e.target.click();\n        }\n\n        // Up and Down keys also open the menu.\n        if (trigger === 'ArrowUp' || trigger === 'ArrowDown') {\n            fixFocus = true;\n        }\n\n        if (!fixFocus) {\n            // No need to fix the focus. Return early.\n            return;\n        }\n\n        // Fix the focus on the menu items when the menu is opened.\n        const menu = e.target.parentElement.querySelector('[role=\"menu\"]');\n        let menuItems = false;\n        let foundMenuItem = false;\n\n        if (menu) {\n            menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n        }\n        if (menuItems && menuItems.length > 0) {\n            // Up key opens the menu at the end.\n            if (trigger === 'ArrowUp') {\n                setFocusEnd();\n            } else {\n                setFocusEnd(false);\n            }\n\n            if (getFocusEnd()) {\n                foundMenuItem = menuItems[menuItems.length - 1];\n            } else {\n                // The first menu entry, pretty reasonable.\n                foundMenuItem = menuItems[0];\n            }\n        }\n\n        if (foundMenuItem) {\n            shiftFocus(foundMenuItem);\n        }\n    };\n\n    // Search for menu items by finding the first item that has\n    // text starting with the typed character (case insensitive).\n    document.addEventListener('keypress', e => {\n        if (e.target.matches('[role=\"menu\"] [role=\"menuitem\"]')) {\n            const menu = e.target.closest('[role=\"menu\"]');\n            if (!menu) {\n                return;\n            }\n            const menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n            if (!menuItems) {\n                return;\n            }\n\n            const trigger = e.key.toLowerCase();\n\n            for (let i = 0; i < menuItems.length; i++) {\n                const item = menuItems[i];\n                const itemText = item.text.trim().toLowerCase();\n                if (itemText.indexOf(trigger) == 0) {\n                    shiftFocus(item);\n                    break;\n                }\n            }\n        }\n    });\n\n    // Keyboard navigation for arrow keys, home and end keys.\n    document.addEventListener('keydown', e => {\n\n        // We only want to set focus when users access the dropdown via keyboard as per\n        // guidelines defined in w3 aria practices 1.1 menu-button.\n        if (e.target.matches('[data-bs-toggle=\"dropdown\"]')) {\n            handleMenuButton(e);\n        }\n\n        if (e.target.matches('[role=\"menu\"] [role=\"menuitem\"]')) {\n            const trigger = e.key;\n            let next = false;\n            const menu = e.target.closest('[role=\"menu\"]');\n\n            if (!menu) {\n                return;\n            }\n            const menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n            if (!menuItems) {\n                return;\n            }\n            // Down key.\n            if (trigger == 'ArrowDown') {\n                for (let i = 0; i < menuItems.length - 1; i++) {\n                    if (menuItems[i] == e.target) {\n                        next = menuItems[i + 1];\n                        break;\n                    }\n                }\n                if (!next) {\n                    // Wrap to first item.\n                    next = menuItems[0];\n                }\n            } else if (trigger == 'ArrowUp') {\n                // Up key.\n                for (let i = 1; i < menuItems.length; i++) {\n                    if (menuItems[i] == e.target) {\n                        next = menuItems[i - 1];\n                        break;\n                    }\n                }\n                if (!next) {\n                    // Wrap to last item.\n                    next = menuItems[menuItems.length - 1];\n                }\n            } else if (trigger == 'Home') {\n                // Home key.\n                next = menuItems[0];\n\n            } else if (trigger == 'End') {\n                // End key.\n                next = menuItems[menuItems.length - 1];\n            }\n\n            // Variable next is set if we do want to act on the keypress.\n            if (next) {\n                e.preventDefault();\n                shiftFocus(next);\n            }\n            return;\n        }\n    });\n\n    // Trap focus if the dropdown is a dialog.\n    document.addEventListener('shown.bs.dropdown', e => {\n        const dialog = e.target.querySelector('.dropdown-menu[role=\"dialog\"]');\n        if (dialog) {\n            // Use setTimeout to make sure the dialog is positioned correctly to prevent random scrolling.\n            setTimeout(() => {\n                FocusLockManager.trapFocus(dialog);\n            });\n        }\n    });\n\n    // Untrap focus when the dialog dropdown is closed.\n    document.addEventListener('hidden.bs.dropdown', e => {\n        const dialog = e.target.querySelector('.dropdown-menu[role=\"dialog\"]');\n        if (dialog) {\n            FocusLockManager.untrapFocus();\n        }\n\n        // We need to focus on the menu trigger.\n        const trigger = e.target.querySelector('[data-bs-toggle=\"dropdown\"]');\n        // If it's a click event, then no element is focused because the clicked element is inside a closed dropdown.\n        const focused = e.clickEvent?.target || (document.activeElement !== document.body ? document.activeElement : null);\n        if (trigger && focused && e.target.contains(focused)) {\n            shiftFocus(trigger, () => {\n                if (document.activeElement === document.body) {\n                    // If the focus is currently on the body, then we can safely assume that the focus needs to be updated.\n                    return true;\n                }\n\n                // If the focus is on a child of the clicked element still, then update the focus.\n                return e.target.contains(document.activeElement);\n            });\n        }\n    });\n};\n\n/**\n * A lot of Bootstrap's out of the box features don't work if dropdown items are not focusable.\n */\nconst comboboxFix = () => {\n    document.addEventListener('show.bs.dropdown', e => {\n        if (e.relatedTarget.matches('[role=\"combobox\"]')) {\n            const combobox = e.relatedTarget;\n            const listbox = document.querySelector(`#${combobox.getAttribute('aria-controls')}[role=\"listbox\"]`);\n\n            if (listbox) {\n                const selectedOption = listbox.querySelector('[role=\"option\"][aria-selected=\"true\"]');\n\n                // To make sure ArrowDown doesn't move the active option afterwards.\n                setTimeout(() => {\n                    if (selectedOption) {\n                        selectedOption.classList.add('active');\n                        combobox.setAttribute('aria-activedescendant', selectedOption.id);\n                    } else {\n                        const firstOption = listbox.querySelector('[role=\"option\"]');\n                        firstOption.setAttribute('aria-selected', 'true');\n                        firstOption.classList.add('active');\n                        combobox.setAttribute('aria-activedescendant', firstOption.id);\n                    }\n                }, 0);\n            }\n        }\n    });\n\n    document.addEventListener('hidden.bs.dropdown', e => {\n        if (e.relatedTarget.matches('[role=\"combobox\"]')) {\n            const combobox = e.relatedTarget;\n            const listbox = document.querySelector(`#${combobox.getAttribute('aria-controls')}[role=\"listbox\"]`);\n\n            combobox.removeAttribute('aria-activedescendant');\n\n            if (listbox) {\n                setTimeout(() => {\n                    // Undo all previously highlighted options.\n                    listbox.querySelectorAll('.active[role=\"option\"]').forEach(option => {\n                        option.classList.remove('active');\n                    });\n                }, 0);\n            }\n        }\n    });\n\n    // Handling keyboard events for both navigating through and selecting options.\n    document.addEventListener('keydown', e => {\n        if (e.target.matches('[role=\"combobox\"][aria-controls]:not([aria-haspopup=dialog])')) {\n            const combobox = e.target;\n            const trigger = e.key;\n            let next = null;\n            const listbox = document.querySelector(`#${combobox.getAttribute('aria-controls')}[role=\"listbox\"]`);\n            const options = listbox.querySelectorAll('[role=\"option\"]');\n            const activeOption = listbox.querySelector('.active[role=\"option\"]');\n            const editable = combobox.hasAttribute('aria-autocomplete');\n\n            // Under the special case that the dropdown menu is being shown as a result of the key press (like when the user\n            // presses ArrowDown or Enter or ... to open the dropdown menu), activeOption is not set yet.\n            // It's because of a race condition with show.bs.dropdown event handler.\n            if (options && (activeOption || 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updateTabIndex) => {\n    const rtl = window.right_to_left();\n    const arrowNext = vertical ? 'ArrowDown' : (rtl ? 'ArrowLeft' : 'ArrowRight');\n    const arrowPrevious = vertical ? 'ArrowUp' : (rtl ? 'ArrowRight' : 'ArrowLeft');\n    const keys = [arrowNext, arrowPrevious, 'Home', 'End'];\n\n    if (!keys.includes(e.key)) {\n        return;\n    }\n\n    const focusElement = index => {\n        elements[index].focus();\n        if (updateTabIndex) {\n            elements.forEach((element, i) => element.setAttribute('tabindex', i === index ? '0' : '-1'));\n        }\n    };\n\n    const currentIndex = Array.prototype.indexOf.call(elements, e.target);\n    let nextIndex;\n\n    switch (e.key) {\n        case arrowNext:\n            e.preventDefault();\n            nextIndex = (currentIndex + 1 < elements.length) ? currentIndex + 1 : 0;\n            focusElement(nextIndex);\n            break;\n        case arrowPrevious:\n            e.preventDefault();\n            nextIndex = (currentIndex - 1 >= 0) ? currentIndex - 1 : elements.length - 1;\n            focusElement(nextIndex);\n            break;\n        case 'Home':\n            e.preventDefault();\n            focusElement(0);\n            break;\n        case 'End':\n            e.preventDefault();\n            focusElement(elements.length - 1);\n    }\n};\n\n/**\n * Fix accessibility issues regarding tab elements focus and their tab order in Bootstrap navs.\n */\nconst tabElementFix = () => {\n    document.addEventListener('keydown', e => {\n        if (['ArrowUp', 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Tab.getOrCreateInstance(e.target).show();\n            tabs.forEach(tab => {\n                tab.tabIndex = -1;\n            });\n            e.target.tabIndex = 0;\n        }\n    });\n};\n\n/**\n * Fix keyboard interaction with Bootstrap Collapse elements.\n *\n * @see {@link https://www.w3.org/TR/wai-aria-practices-1.1/#disclosure|WAI-ARIA Authoring Practices 1.1 - Disclosure (Show/Hide)}\n */\nconst collapseFix = () => {\n    document.addEventListener('keydown', e => {\n        if (e.target.matches('[data-bs-toggle=\"collapse\"]')) {\n            // Pressing space should toggle expand/collapse.\n            if (e.key === ' ') {\n                e.preventDefault();\n                e.target.click();\n            }\n        }\n    });\n};\n\n/**\n * Fix accessibility issues\n */\nconst toolbarFix = () => {\n    document.addEventListener('keydown', e => {\n        if (['ArrowUp', 'ArrowDown', 'ArrowLeft', 'ArrowRight', 'Home', 'End'].includes(e.key)) {\n            if 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toolbarFix();\n};\n"],"names":["dropdownFix","focusEnd","setFocusEnd","end","shiftFocus","element","focusCheck","pendingPromise","Pending","setTimeout","focus","resolve","handleMenuButton","e","trigger","key","fixFocus","preventDefault","target","click","menu","parentElement","querySelector","menuItems","foundMenuItem","querySelectorAll","length","result","getFocusEnd","document","addEventListener","matches","closest","toLowerCase","i","item","text","trim","indexOf","next","dialog","FocusLockManager","trapFocus","untrapFocus","focused","clickEvent","activeElement","body","contains","rovingFocus","elements","vertical","updateTabIndex","rtl","window","right_to_left","arrowNext","arrowPrevious","includes","focusElement","index","forEach","setAttribute","currentIndex","Array","prototype","call","nextIndex","relatedTarget","combobox","listbox","getAttribute","selectedOption","classList","add","id","firstOption","removeAttribute","option","remove","options","activeOption","editable","hasAttribute","selectOption","optionText","textContent","keyPressed","scrollIntoView","block","value","oldSelectedOption","dataset","shortText","replace","selectedOptionContainer","inputElement","getElementById","dispatchEvent","Event","bubbles","comboboxFix","alerts","autofocusElement","innerHTML","tabList","tabs","filter","tab","offsetHeight","getOrCreateInstance","show","tabIndex","buttons"],"mappings":";;;;;;;o1BA8BMA,YAAc,SACZC,UAAW,QACTC,YAAc,eAACC,+DACjBF,SAAWE,KASTC,WAAa,SAACC,aAASC,kEAAa,WAChCC,eAAiB,IAAIC,iBAAQ,2BACnCC,YAAW,KACFH,aAAcA,cACfD,QAAQK,QAGZH,eAAeI,YAChB,KAIDC,iBAAmBC,UACfC,QAAUD,EAAEE,QACdC,UAAW,KAGC,MAAZF,SAA+B,UAAZA,UACnBE,UAAW,EAEXH,EAAEI,iBAEFJ,EAAEK,OAAOC,SAIG,YAAZL,SAAqC,cAAZA,UACzBE,UAAW,IAGVA,sBAMCI,KAAOP,EAAEK,OAAOG,cAAcC,cAAc,qBAC9CC,WAAY,EACZC,eAAgB,EAEhBJ,OACAG,UAAYH,KAAKK,iBAAiB,sBAElCF,WAAaA,UAAUG,OAAS,IAEhB,YAAZZ,QACAZ,cAEAA,aAAY,GAIZsB,cA3DQ,YACVG,OAAS1B,gBACfA,UAAW,EACJ0B,QAuDCC,GACgBL,UAAUA,UAAUG,OAAS,GAG7BH,UAAU,IAI9BC,eACApB,WAAWoB,gBAMnBK,SAASC,iBAAiB,YAAYjB,OAC9BA,EAAEK,OAAOa,QAAQ,mCAAoC,OAC/CX,KAAOP,EAAEK,OAAOc,QAAQ,qBACzBZ,kBAGCG,UAAYH,KAAKK,iBAAiB,yBACnCF,uBAICT,QAAUD,EAAEE,IAAIkB,kBAEjB,IAAIC,EAAI,EAAGA,EAAIX,UAAUG,OAAQQ,IAAK,OACjCC,KAAOZ,UAAUW,MAEU,GADhBC,KAAKC,KAAKC,OAAOJ,cACrBK,QAAQxB,SAAe,CAChCV,WAAW+B,kBAQ3BN,SAASC,iBAAiB,WAAWjB,OAI7BA,EAAEK,OAAOa,QAAQ,gCACjBnB,iBAAiBC,GAGjBA,EAAEK,OAAOa,QAAQ,0CACXjB,QAAUD,EAAEE,QACdwB,MAAO,QACLnB,KAAOP,EAAEK,OAAOc,QAAQ,qBAEzBZ,kBAGCG,UAAYH,KAAKK,iBAAiB,yBACnCF,oBAIU,aAAXT,QAAwB,KACnB,IAAIoB,EAAI,EAAGA,EAAIX,UAAUG,OAAS,EAAGQ,OAClCX,UAAUW,IAAMrB,EAAEK,OAAQ,CAC1BqB,KAAOhB,UAAUW,EAAI,SAIxBK,OAEDA,KAAOhB,UAAU,SAElB,GAAe,WAAXT,QAAsB,KAExB,IAAIoB,EAAI,EAAGA,EAAIX,UAAUG,OAAQQ,OAC9BX,UAAUW,IAAMrB,EAAEK,OAAQ,CAC1BqB,KAAOhB,UAAUW,EAAI,SAIxBK,OAEDA,KAAOhB,UAAUA,UAAUG,OAAS,QAEtB,QAAXZ,QAEPyB,KAAOhB,UAAU,GAEC,OAAXT,UAEPyB,KAAOhB,UAAUA,UAAUG,OAAS,IAIpCa,OACA1B,EAAEI,iBACFb,WAAWmC,gBAOvBV,SAASC,iBAAiB,qBAAqBjB,UACrC2B,OAAS3B,EAAEK,OAAOI,cAAc,iCAClCkB,QAEA/B,YAAW,KACPgC,iBAAiBC,UAAUF,cAMvCX,SAASC,iBAAiB,sBAAsBjB,sBAC7BA,EAAEK,OAAOI,cAAc,kCAElCmB,iBAAiBE,oBAIf7B,QAAUD,EAAEK,OAAOI,cAAc,+BAEjCsB,+BAAU/B,EAAEgC,yDAAY3B,UAAWW,SAASiB,gBAAkBjB,SAASkB,KAAOlB,SAASiB,cAAgB,MACzGhC,SAAW8B,SAAW/B,EAAEK,OAAO8B,SAASJ,UACxCxC,WAAWU,SAAS,IACZe,SAASiB,gBAAkBjB,SAASkB,MAMjClC,EAAEK,OAAO8B,SAASnB,SAASiB,qBAuM5CG,YAAc,CAACC,SAAUrC,EAAGsC,SAAUC,wBAClCC,IAAMC,OAAOC,gBACbC,UAAYL,SAAW,YAAeE,IAAM,YAAc,aAC1DI,cAAgBN,SAAW,UAAaE,IAAM,aAAe,gBACtD,CAACG,UAAWC,cAAe,OAAQ,OAEtCC,SAAS7C,EAAEE,kBAIf4C,aAAeC,QACjBV,SAASU,OAAOlD,QACZ0C,gBACAF,SAASW,SAAQ,CAACxD,QAAS6B,IAAM7B,QAAQyD,aAAa,WAAY5B,IAAM0B,MAAQ,IAAM,SAIxFG,aAAeC,MAAMC,UAAU3B,QAAQ4B,KAAKhB,SAAUrC,EAAEK,YAC1DiD,iBAEItD,EAAEE,UACDyC,UACD3C,EAAEI,iBACFkD,UAAaJ,aAAe,EAAIb,SAASxB,OAAUqC,aAAe,EAAI,EACtEJ,aAAaQ,sBAEZV,cACD5C,EAAEI,iBACFkD,UAAaJ,aAAe,GAAK,EAAKA,aAAe,EAAIb,SAASxB,OAAS,EAC3EiC,aAAaQ,qBAEZ,OACDtD,EAAEI,iBACF0C,aAAa,aAEZ,MACD9C,EAAEI,iBACF0C,aAAaT,SAASxB,OAAS,mBAmEvB,KAChB1B,cAvSgB,MAChB6B,SAASC,iBAAiB,oBAAoBjB,OACtCA,EAAEuD,cAAcrC,QAAQ,qBAAsB,OACxCsC,SAAWxD,EAAEuD,cACbE,QAAUzC,SAASP,yBAAkB+C,SAASE,aAAa,yCAE7DD,QAAS,OACHE,eAAiBF,QAAQhD,cAAc,yCAG7Cb,YAAW,QACH+D,eACAA,eAAeC,UAAUC,IAAI,UAC7BL,SAASP,aAAa,wBAAyBU,eAAeG,QAC3D,OACGC,YAAcN,QAAQhD,cAAc,mBAC1CsD,YAAYd,aAAa,gBAAiB,QAC1Cc,YAAYH,UAAUC,IAAI,UAC1BL,SAASP,aAAa,wBAAyBc,YAAYD,OAEhE,QAKf9C,SAASC,iBAAiB,sBAAsBjB,OACxCA,EAAEuD,cAAcrC,QAAQ,qBAAsB,OACxCsC,SAAWxD,EAAEuD,cACbE,QAAUzC,SAASP,yBAAkB+C,SAASE,aAAa,sCAEjEF,SAASQ,gBAAgB,yBAErBP,SACA7D,YAAW,KAEP6D,QAAQ7C,iBAAiB,0BAA0BoC,SAAQiB,SACvDA,OAAOL,UAAUM,OAAO,eAE7B,OAMflD,SAASC,iBAAiB,WAAWjB,OAC7BA,EAAEK,OAAOa,QAAQ,gEAAiE,OAC5EsC,SAAWxD,EAAEK,OACbJ,QAAUD,EAAEE,QACdwB,KAAO,WACL+B,QAAUzC,SAASP,yBAAkB+C,SAASE,aAAa,sCAC3DS,QAAUV,QAAQ7C,iBAAiB,mBACnCwD,aAAeX,QAAQhD,cAAc,0BACrC4D,SAAWb,SAASc,aAAa,wBAKnCH,UAAYC,cAAgBC,UAAW,IACxB,aAAXpE,QAAwB,KACnB,IAAIoB,EAAI,EAAGA,EAAI8C,QAAQtD,OAAS,EAAGQ,OAChC8C,QAAQ9C,IAAM+C,aAAc,CAC5B1C,KAAOyC,QAAQ9C,EAAI,SAIvBgD,WAAa3C,OACbA,KAAOyC,QAAQ,OAEN,WAAXlE,QAAsB,KACnB,IAAIoB,EAAI,EAAGA,EAAI8C,QAAQtD,OAAQQ,OAC5B8C,QAAQ9C,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\ No newline at end of file
diff --git a/theme/boost/amd/build/loader.min.js b/theme/boost/amd/build/loader.min.js
index 48d8a1bc378..646da1b26ad 100644
--- a/theme/boost/amd/build/loader.min.js
+++ b/theme/boost/amd/build/loader.min.js
@@ -1,4 +1,4 @@
-define("theme_boost/loader",["exports","./aria","./index","core/pending","./bootstrap/util/sanitizer","./pending"],(function(_exports,Aria,Bootstrap,_pending,_sanitizer,_pending2){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _getRequireWildcardCache(nodeInterop){if("function"!=typeof WeakMap)return null;var cacheBabelInterop=new WeakMap,cacheNodeInterop=new WeakMap;return(_getRequireWildcardCache=function(nodeInterop){return nodeInterop?cacheNodeInterop:cacheBabelInterop})(nodeInterop)}function _interopRequireWildcard(obj,nodeInterop){if(!nodeInterop&&obj&&obj.__esModule)return obj;if(null===obj||"object"!=typeof obj&&"function"!=typeof obj)return{default:obj};var cache=_getRequireWildcardCache(nodeInterop);if(cache&&cache.has(obj))return cache.get(obj);var newObj={},hasPropertyDescriptor=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var key in obj)if("default"!==key&&Object.prototype.hasOwnProperty.call(obj,key)){var desc=hasPropertyDescriptor?Object.getOwnPropertyDescriptor(obj,key):null;desc&&(desc.get||desc.set)?Object.defineProperty(newObj,key,desc):newObj[key]=obj[key]}return newObj.default=obj,cache&&cache.set(obj,newObj),newObj}
+define("theme_boost/loader",["exports","./aria","./index","core/pending","./bootstrap/util/sanitizer","./pending","./bootstrap/dom/event-handler"],(function(_exports,Aria,Bootstrap,_pending,_sanitizer,_pending2,_eventHandler){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _getRequireWildcardCache(nodeInterop){if("function"!=typeof WeakMap)return null;var cacheBabelInterop=new WeakMap,cacheNodeInterop=new WeakMap;return(_getRequireWildcardCache=function(nodeInterop){return nodeInterop?cacheNodeInterop:cacheBabelInterop})(nodeInterop)}function _interopRequireWildcard(obj,nodeInterop){if(!nodeInterop&&obj&&obj.__esModule)return obj;if(null===obj||"object"!=typeof obj&&"function"!=typeof obj)return{default:obj};var cache=_getRequireWildcardCache(nodeInterop);if(cache&&cache.has(obj))return cache.get(obj);var newObj={},hasPropertyDescriptor=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var key in obj)if("default"!==key&&Object.prototype.hasOwnProperty.call(obj,key)){var desc=hasPropertyDescriptor?Object.getOwnPropertyDescriptor(obj,key):null;desc&&(desc.get||desc.set)?Object.defineProperty(newObj,key,desc):newObj[key]=obj[key]}return newObj.default=obj,cache&&cache.set(obj,newObj),newObj}
 /**
    * Template renderer for Moodle. Load and render Moodle templates with Mustache.
    *
@@ -6,6 +6,6 @@ define("theme_boost/loader",["exports","./aria","./index","core/pending","./boot
    * @copyright  2015 Damyon Wiese <damyon@moodle.com>
    * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
    * @since      2.9
-   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.Bootstrap=void 0,Aria=_interopRequireWildcard(Aria),Bootstrap=_interopRequireWildcard(Bootstrap),_exports.Bootstrap=Bootstrap,_pending=_interopRequireDefault(_pending),_pending2=_interopRequireDefault(_pending2);const pendingPromise=new _pending.default("theme_boost/loader:init");(0,_pending2.default)(),Aria.init(),(()=>{[...document.querySelectorAll('a[data-bs-toggle="tab"]')].map((tabTriggerEl=>tabTriggerEl.addEventListener("shown.bs.tab",(e=>{var hash=e.target.getAttribute("href");history.replaceState?history.replaceState(null,null,hash):location.hash=hash}))));const hash=window.location.hash;if(hash){const tab=document.querySelector('[role="tablist"] [href="'+hash+'"]');tab&&tab.click()}})(),(()=>{const popoverTriggerList=document.querySelectorAll('[data-bs-toggle="popover"]'),popoverConfig={container:"body",trigger:"focus",allowList:Object.assign(_sanitizer.DefaultAllowlist,{table:[],thead:[],tbody:[],tr:[],th:[],td:[]})};[...popoverTriggerList].map((popoverTriggerEl=>new Bootstrap.Popover(popoverTriggerEl,popoverConfig))),document.addEventListener("core/modal:bodyRendered",(e=>{[...e.target.querySelectorAll('[data-bs-toggle="popover"]')].map((popoverTriggerEl=>new Bootstrap.Popover(popoverTriggerEl,popoverConfig)))})),document.addEventListener("keydown",(e=>{const popoverTrigger=e.target.closest('[data-bs-toggle="popover"]');"Escape"===e.key&&popoverTrigger&&Bootstrap.Popover.getInstance(popoverTrigger).hide(),"Enter"===e.key&&popoverTrigger&&Bootstrap.Popover.getInstance(popoverTrigger).show()})),document.addEventListener("click",(e=>{const popoverTrigger=e.target.closest('[data-bs-toggle="popover"]');if(!popoverTrigger)return;const popover=Bootstrap.Popover.getInstance(popoverTrigger);popover._isShown()||popover.show()}))})(),[...document.querySelectorAll('[data-bs-toggle="tooltip"]')].map((tooltipTriggerEl=>new Bootstrap.Tooltip(tooltipTriggerEl))),pendingPromise.resolve()}));
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.Bootstrap=void 0,Aria=_interopRequireWildcard(Aria),Bootstrap=_interopRequireWildcard(Bootstrap),_exports.Bootstrap=Bootstrap,_pending=_interopRequireDefault(_pending),_pending2=_interopRequireDefault(_pending2),_eventHandler=_interopRequireDefault(_eventHandler);const pendingPromise=new _pending.default("theme_boost/loader:init");(0,_pending2.default)(),Aria.init(),(()=>{[...document.querySelectorAll('a[data-bs-toggle="tab"]')].map((tabTriggerEl=>tabTriggerEl.addEventListener("shown.bs.tab",(e=>{var hash=e.target.getAttribute("href");history.replaceState?history.replaceState(null,null,hash):location.hash=hash}))));const hash=window.location.hash;if(hash){const tab=document.querySelector('[role="tablist"] [href="'+hash+'"]');tab&&tab.click()}})(),(()=>{const popoverTriggerList=document.querySelectorAll('[data-bs-toggle="popover"]'),popoverConfig={container:"body",trigger:"focus",allowList:Object.assign(_sanitizer.DefaultAllowlist,{table:[],thead:[],tbody:[],tr:[],th:[],td:[]})};[...popoverTriggerList].map((popoverTriggerEl=>new Bootstrap.Popover(popoverTriggerEl,popoverConfig))),document.addEventListener("core/modal:bodyRendered",(e=>{[...e.target.querySelectorAll('[data-bs-toggle="popover"]')].map((popoverTriggerEl=>new Bootstrap.Popover(popoverTriggerEl,popoverConfig)))})),document.addEventListener("keydown",(e=>{const popoverTrigger=e.target.closest('[data-bs-toggle="popover"]');"Escape"===e.key&&popoverTrigger&&Bootstrap.Popover.getInstance(popoverTrigger).hide(),"Enter"===e.key&&popoverTrigger&&Bootstrap.Popover.getInstance(popoverTrigger).show()})),document.addEventListener("click",(e=>{const popoverTrigger=e.target.closest('[data-bs-toggle="popover"]');if(!popoverTrigger)return;const popover=Bootstrap.Popover.getInstance(popoverTrigger);popover._isShown()||popover.show()}))})(),[...document.querySelectorAll('[data-bs-toggle="tooltip"]')].map((tooltipTriggerEl=>new Bootstrap.Tooltip(tooltipTriggerEl))),_eventHandler.default.off(document,"keydown.bs.dropdown.data-api",".dropdown-menu",Bootstrap.Dropdown.dataApiKeydownHandler),_eventHandler.default.on(document.body,"keydown.bs.dropdown.data-api",".dropdown-menu",Bootstrap.Dropdown.dataApiKeydownHandler),pendingPromise.resolve()}));
 
 //# sourceMappingURL=loader.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/loader.min.js.map b/theme/boost/amd/build/loader.min.js.map
index 4cce8ab0ba1..553dd16568a 100644
--- a/theme/boost/amd/build/loader.min.js.map
+++ b/theme/boost/amd/build/loader.min.js.map
@@ -1 +1 @@
-{"version":3,"file":"loader.min.js","sources":["../src/loader.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Template renderer for Moodle. Load and render Moodle templates with Mustache.\n *\n * @module     theme_boost/loader\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\n\nimport * as Aria from './aria';\nimport * as Bootstrap from './index';\nimport Pending from 'core/pending';\nimport {DefaultAllowlist} from './bootstrap/util/sanitizer';\nimport setupBootstrapPendingChecks from './pending';\n\n/**\n * Rember the last visited tabs.\n */\nconst rememberTabs = () => {\n    const tabTriggerList = document.querySelectorAll('a[data-bs-toggle=\"tab\"]');\n    [...tabTriggerList].map(tabTriggerEl => tabTriggerEl.addEventListener('shown.bs.tab', (e) => {\n        var hash = e.target.getAttribute('href');\n        if (history.replaceState) {\n            history.replaceState(null, null, hash);\n        } else {\n            location.hash = hash;\n        }\n    }));\n    const hash = window.location.hash;\n    if (hash) {\n        const tab = document.querySelector('[role=\"tablist\"] [href=\"' + hash + '\"]');\n        if (tab) {\n            tab.click();\n        }\n    }\n};\n\n/**\n * Enable all popovers\n *\n */\nconst enablePopovers = () => {\n    const popoverTriggerList = document.querySelectorAll('[data-bs-toggle=\"popover\"]');\n    const popoverConfig = {\n        container: 'body',\n        trigger: 'focus',\n        allowList: Object.assign(DefaultAllowlist, {table: [], thead: [], tbody: [], tr: [], th: [], td: []}),\n    };\n    [...popoverTriggerList].map(popoverTriggerEl => new Bootstrap.Popover(popoverTriggerEl, popoverConfig));\n\n    // Enable dynamically created popovers inside modals.\n    document.addEventListener('core/modal:bodyRendered', (e) => {\n        const modal = e.target;\n        const popoverTriggerList = modal.querySelectorAll('[data-bs-toggle=\"popover\"]');\n        [...popoverTriggerList].map(popoverTriggerEl => new Bootstrap.Popover(popoverTriggerEl, popoverConfig));\n    });\n\n    document.addEventListener('keydown', e => {\n        const popoverTrigger = e.target.closest('[data-bs-toggle=\"popover\"]');\n        if (e.key === 'Escape' && popoverTrigger) {\n            Bootstrap.Popover.getInstance(popoverTrigger).hide();\n        }\n        if (e.key === 'Enter' && popoverTrigger) {\n            Bootstrap.Popover.getInstance(popoverTrigger).show();\n        }\n    });\n    document.addEventListener('click', e => {\n        const popoverTrigger = e.target.closest('[data-bs-toggle=\"popover\"]');\n        if (!popoverTrigger) {\n            return;\n        }\n        const popover = Bootstrap.Popover.getInstance(popoverTrigger);\n        if (!popover._isShown()) {\n            popover.show();\n        }\n    });\n};\n\n/**\n * Enable tooltips\n *\n */\nconst enableTooltips = () => {\n    const tooltipTriggerList = document.querySelectorAll('[data-bs-toggle=\"tooltip\"]');\n    [...tooltipTriggerList].map(tooltipTriggerEl => new Bootstrap.Tooltip(tooltipTriggerEl));\n};\n\nconst pendingPromise = new Pending('theme_boost/loader:init');\n\n// Add pending promise event listeners to relevant Bootstrap custom events.\nsetupBootstrapPendingChecks();\n\n// Setup Aria helpers for Bootstrap features.\nAria.init();\n\n// Remember the last visited tabs.\nrememberTabs();\n\n// Enable all popovers.\nenablePopovers();\n\n// Enable all tooltips.\nenableTooltips();\n\npendingPromise.resolve();\n\nexport {\n    Bootstrap,\n};\n"],"names":["pendingPromise","Pending","Aria","init","document","querySelectorAll","map","tabTriggerEl","addEventListener","e","hash","target","getAttribute","history","replaceState","location","window","tab","querySelector","click","rememberTabs","popoverTriggerList","popoverConfig","container","trigger","allowList","Object","assign","DefaultAllowlist","table","thead","tbody","tr","th","td","popoverTriggerEl","Bootstrap","Popover","popoverTrigger","closest","key","getInstance","hide","show","popover","_isShown","enablePopovers","tooltipTriggerEl","Tooltip","resolve"],"mappings":";;;;;;;;gSAsGMA,eAAiB,IAAIC,iBAAQ,mDAMnCC,KAAKC,OA3EgB,UACMC,SAASC,iBAAiB,4BAC7BC,KAAIC,cAAgBA,aAAaC,iBAAiB,gBAAiBC,QAC/EC,KAAOD,EAAEE,OAAOC,aAAa,QAC7BC,QAAQC,aACRD,QAAQC,aAAa,KAAM,KAAMJ,MAEjCK,SAASL,KAAOA,gBAGlBA,KAAOM,OAAOD,SAASL,QACzBA,KAAM,OACAO,IAAMb,SAASc,cAAc,2BAA6BR,KAAO,MACnEO,KACAA,IAAIE,UAgEhBC,GAvDuB,YACbC,mBAAqBjB,SAASC,iBAAiB,8BAC/CiB,cAAgB,CAClBC,UAAW,OACXC,QAAS,QACTC,UAAWC,OAAOC,OAAOC,4BAAkB,CAACC,MAAO,GAAIC,MAAO,GAAIC,MAAO,GAAIC,GAAI,GAAIC,GAAI,GAAIC,GAAI,UAEjGb,oBAAoBf,KAAI6B,kBAAoB,IAAIC,UAAUC,QAAQF,iBAAkBb,iBAGxFlB,SAASI,iBAAiB,2BAA4BC,QACpCA,EAAEE,OACiBN,iBAAiB,+BAC1BC,KAAI6B,kBAAoB,IAAIC,UAAUC,QAAQF,iBAAkBb,oBAG5FlB,SAASI,iBAAiB,WAAWC,UAC3B6B,eAAiB7B,EAAEE,OAAO4B,QAAQ,8BAC1B,WAAV9B,EAAE+B,KAAoBF,gBACtBF,UAAUC,QAAQI,YAAYH,gBAAgBI,OAEpC,UAAVjC,EAAE+B,KAAmBF,gBACrBF,UAAUC,QAAQI,YAAYH,gBAAgBK,UAGtDvC,SAASI,iBAAiB,SAASC,UACzB6B,eAAiB7B,EAAEE,OAAO4B,QAAQ,kCACnCD,4BAGCM,QAAUR,UAAUC,QAAQI,YAAYH,gBACzCM,QAAQC,YACTD,QAAQD,WA0BpBG,OAhB+B1C,SAASC,iBAAiB,+BAC7BC,KAAIyC,kBAAoB,IAAIX,UAAUY,QAAQD,oBAoB1E/C,eAAeiD"}
\ No newline at end of file
+{"version":3,"file":"loader.min.js","sources":["../src/loader.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Template renderer for Moodle. Load and render Moodle templates with Mustache.\n *\n * @module     theme_boost/loader\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\n\nimport * as Aria from './aria';\nimport * as Bootstrap from './index';\nimport Pending from 'core/pending';\nimport {DefaultAllowlist} from './bootstrap/util/sanitizer';\nimport setupBootstrapPendingChecks from './pending';\nimport EventHandler from './bootstrap/dom/event-handler';\n\n/**\n * Rember the last visited tabs.\n */\nconst rememberTabs = () => {\n    const tabTriggerList = document.querySelectorAll('a[data-bs-toggle=\"tab\"]');\n    [...tabTriggerList].map(tabTriggerEl => tabTriggerEl.addEventListener('shown.bs.tab', (e) => {\n        var hash = e.target.getAttribute('href');\n        if (history.replaceState) {\n            history.replaceState(null, null, hash);\n        } else {\n            location.hash = hash;\n        }\n    }));\n    const hash = window.location.hash;\n    if (hash) {\n        const tab = document.querySelector('[role=\"tablist\"] [href=\"' + hash + '\"]');\n        if (tab) {\n            tab.click();\n        }\n    }\n};\n\n/**\n * Enable all popovers\n *\n */\nconst enablePopovers = () => {\n    const popoverTriggerList = document.querySelectorAll('[data-bs-toggle=\"popover\"]');\n    const popoverConfig = {\n        container: 'body',\n        trigger: 'focus',\n        allowList: Object.assign(DefaultAllowlist, {table: [], thead: [], tbody: [], tr: [], th: [], td: []}),\n    };\n    [...popoverTriggerList].map(popoverTriggerEl => new Bootstrap.Popover(popoverTriggerEl, popoverConfig));\n\n    // Enable dynamically created popovers inside modals.\n    document.addEventListener('core/modal:bodyRendered', (e) => {\n        const modal = e.target;\n        const popoverTriggerList = modal.querySelectorAll('[data-bs-toggle=\"popover\"]');\n        [...popoverTriggerList].map(popoverTriggerEl => new Bootstrap.Popover(popoverTriggerEl, popoverConfig));\n    });\n\n    document.addEventListener('keydown', e => {\n        const popoverTrigger = e.target.closest('[data-bs-toggle=\"popover\"]');\n        if (e.key === 'Escape' && popoverTrigger) {\n            Bootstrap.Popover.getInstance(popoverTrigger).hide();\n        }\n        if (e.key === 'Enter' && popoverTrigger) {\n            Bootstrap.Popover.getInstance(popoverTrigger).show();\n        }\n    });\n    document.addEventListener('click', e => {\n        const popoverTrigger = e.target.closest('[data-bs-toggle=\"popover\"]');\n        if (!popoverTrigger) {\n            return;\n        }\n        const popover = Bootstrap.Popover.getInstance(popoverTrigger);\n        if (!popover._isShown()) {\n            popover.show();\n        }\n    });\n};\n\n/**\n * Enable tooltips\n *\n */\nconst enableTooltips = () => {\n    const tooltipTriggerList = document.querySelectorAll('[data-bs-toggle=\"tooltip\"]');\n    [...tooltipTriggerList].map(tooltipTriggerEl => new Bootstrap.Tooltip(tooltipTriggerEl));\n};\n\n/**\n * Realocate Bootstrap events to the body element.\n *\n * Bootstrap 5 has a unique event handling mechanism that attaches all event handlers at the document level\n * during the capture phase, rather than the usual bubbling phase. As a result, original Bootstrap events\n * cannot be stopped or prevented, since the document is the first node executed in the capture phase.\n * For certain advanced UI elements, such as form autocomplete, it is important to capture key-down events before\n * Bootstrap's handlers to prevent unintended closures of elements. Therefore, we need to change the Bootstrap handler\n * so that it operates one level lower, specifically at the body level.\n */\nconst realocateBootstrapEvents = () => {\n    EventHandler.off(document, 'keydown.bs.dropdown.data-api', '.dropdown-menu', Bootstrap.Dropdown.dataApiKeydownHandler);\n    EventHandler.on(document.body, 'keydown.bs.dropdown.data-api', '.dropdown-menu', Bootstrap.Dropdown.dataApiKeydownHandler);\n};\n\nconst pendingPromise = new Pending('theme_boost/loader:init');\n\n// Add pending promise event listeners to relevant Bootstrap custom events.\nsetupBootstrapPendingChecks();\n\n// Setup Aria helpers for Bootstrap features.\nAria.init();\n\n// Remember the last visited tabs.\nrememberTabs();\n\n// Enable all popovers.\nenablePopovers();\n\n// Enable all tooltips.\nenableTooltips();\n\n// Realocate Bootstrap events to the body element.\nrealocateBootstrapEvents();\n\npendingPromise.resolve();\n\nexport {\n    Bootstrap,\n};\n"],"names":["pendingPromise","Pending","Aria","init","document","querySelectorAll","map","tabTriggerEl","addEventListener","e","hash","target","getAttribute","history","replaceState","location","window","tab","querySelector","click","rememberTabs","popoverTriggerList","popoverConfig","container","trigger","allowList","Object","assign","DefaultAllowlist","table","thead","tbody","tr","th","td","popoverTriggerEl","Bootstrap","Popover","popoverTrigger","closest","key","getInstance","hide","show","popover","_isShown","enablePopovers","tooltipTriggerEl","Tooltip","off","Dropdown","dataApiKeydownHandler","on","body","resolve"],"mappings":";;;;;;;;oVAsHMA,eAAiB,IAAIC,iBAAQ,mDAMnCC,KAAKC,OA1FgB,UACMC,SAASC,iBAAiB,4BAC7BC,KAAIC,cAAgBA,aAAaC,iBAAiB,gBAAiBC,QAC/EC,KAAOD,EAAEE,OAAOC,aAAa,QAC7BC,QAAQC,aACRD,QAAQC,aAAa,KAAM,KAAMJ,MAEjCK,SAASL,KAAOA,gBAGlBA,KAAOM,OAAOD,SAASL,QACzBA,KAAM,OACAO,IAAMb,SAASc,cAAc,2BAA6BR,KAAO,MACnEO,KACAA,IAAIE,UA+EhBC,GAtEuB,YACbC,mBAAqBjB,SAASC,iBAAiB,8BAC/CiB,cAAgB,CAClBC,UAAW,OACXC,QAAS,QACTC,UAAWC,OAAOC,OAAOC,4BAAkB,CAACC,MAAO,GAAIC,MAAO,GAAIC,MAAO,GAAIC,GAAI,GAAIC,GAAI,GAAIC,GAAI,UAEjGb,oBAAoBf,KAAI6B,kBAAoB,IAAIC,UAAUC,QAAQF,iBAAkBb,iBAGxFlB,SAASI,iBAAiB,2BAA4BC,QACpCA,EAAEE,OACiBN,iBAAiB,+BAC1BC,KAAI6B,kBAAoB,IAAIC,UAAUC,QAAQF,iBAAkBb,oBAG5FlB,SAASI,iBAAiB,WAAWC,UAC3B6B,eAAiB7B,EAAEE,OAAO4B,QAAQ,8BAC1B,WAAV9B,EAAE+B,KAAoBF,gBACtBF,UAAUC,QAAQI,YAAYH,gBAAgBI,OAEpC,UAAVjC,EAAE+B,KAAmBF,gBACrBF,UAAUC,QAAQI,YAAYH,gBAAgBK,UAGtDvC,SAASI,iBAAiB,SAASC,UACzB6B,eAAiB7B,EAAEE,OAAO4B,QAAQ,kCACnCD,4BAGCM,QAAUR,UAAUC,QAAQI,YAAYH,gBACzCM,QAAQC,YACTD,QAAQD,WAyCpBG,OA/B+B1C,SAASC,iBAAiB,+BAC7BC,KAAIyC,kBAAoB,IAAIX,UAAUY,QAAQD,0CAczDE,IAAI7C,SAAU,+BAAgC,iBAAkBgC,UAAUc,SAASC,6CACnFC,GAAGhD,SAASiD,KAAM,+BAAgC,iBAAkBjB,UAAUc,SAASC,uBAuBxGnD,eAAesD"}
\ No newline at end of file
diff --git a/theme/boost/amd/src/aria.js b/theme/boost/amd/src/aria.js
index d62e61814c0..44da06c96a9 100644
--- a/theme/boost/amd/src/aria.js
+++ b/theme/boost/amd/src/aria.js
@@ -227,23 +227,6 @@ const dropdownFix = () => {
             });
         }
     });
-
-    // Prevent closing the dropdown when the autocomplete suggestions are visible.
-    document.addEventListener('hide.bs.dropdown', (e) => {
-        const dropdown = e.target.closest('.dropdown');
-        if (!dropdown) {
-            return;
-        }
-        const autocompleteSuggestions = document.querySelector('.form-autocomplete-suggestions:not([aria-hidden="true"])');
-        if (autocompleteSuggestions) {
-            // Dropdown should not be hidden while the autocomplete suggestions are visible inside.
-            e.preventDefault();
-            // Return the focus to the autocomplete input.
-            const autocompleteElement = autocompleteSuggestions.closest('[data-fieldtype="autocomplete"]');
-            const autocompleteInput = autocompleteElement.querySelector('.form-autocomplete-input input');
-            setTimeout(()=> autocompleteInput.focus(), 1000);
-        }
-    });
 };
 
 /**
diff --git a/theme/boost/amd/src/loader.js b/theme/boost/amd/src/loader.js
index 07574d16648..d9163bdcb20 100644
--- a/theme/boost/amd/src/loader.js
+++ b/theme/boost/amd/src/loader.js
@@ -27,6 +27,7 @@ import * as Bootstrap from './index';
 import Pending from 'core/pending';
 import {DefaultAllowlist} from './bootstrap/util/sanitizer';
 import setupBootstrapPendingChecks from './pending';
+import EventHandler from './bootstrap/dom/event-handler';
 
 /**
  * Rember the last visited tabs.
@@ -100,6 +101,21 @@ const enableTooltips = () => {
     [...tooltipTriggerList].map(tooltipTriggerEl => new Bootstrap.Tooltip(tooltipTriggerEl));
 };
 
+/**
+ * Realocate Bootstrap events to the body element.
+ *
+ * Bootstrap 5 has a unique event handling mechanism that attaches all event handlers at the document level
+ * during the capture phase, rather than the usual bubbling phase. As a result, original Bootstrap events
+ * cannot be stopped or prevented, since the document is the first node executed in the capture phase.
+ * For certain advanced UI elements, such as form autocomplete, it is important to capture key-down events before
+ * Bootstrap's handlers to prevent unintended closures of elements. Therefore, we need to change the Bootstrap handler
+ * so that it operates one level lower, specifically at the body level.
+ */
+const realocateBootstrapEvents = () => {
+    EventHandler.off(document, 'keydown.bs.dropdown.data-api', '.dropdown-menu', Bootstrap.Dropdown.dataApiKeydownHandler);
+    EventHandler.on(document.body, 'keydown.bs.dropdown.data-api', '.dropdown-menu', Bootstrap.Dropdown.dataApiKeydownHandler);
+};
+
 const pendingPromise = new Pending('theme_boost/loader:init');
 
 // Add pending promise event listeners to relevant Bootstrap custom events.
@@ -117,6 +133,9 @@ enablePopovers();
 // Enable all tooltips.
 enableTooltips();
 
+// Realocate Bootstrap events to the body element.
+realocateBootstrapEvents();
+
 pendingPromise.resolve();
 
 export {