first commit

theme/boost/amd/build/bootstrap/alert.min.js

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+define("theme_boost/bootstrap/alert",["exports","jquery","./util"],(function(_exports,_jquery,_util){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=_interopRequireDefault(_jquery),_util=_interopRequireDefault(_util);const EVENT_KEY=".".concat("bs.alert"),JQUERY_NO_CONFLICT=_jquery.default.fn.alert,EVENT_CLOSE="close".concat(EVENT_KEY),EVENT_CLOSED="closed".concat(EVENT_KEY),EVENT_CLICK_DATA_API="click".concat(EVENT_KEY).concat(".data-api");class Alert{constructor(element){this._element=element}static get VERSION(){return"4.6.2"}close(element){let rootElement=this._element;element&&(rootElement=this._getRootElement(element));this._triggerCloseEvent(rootElement).isDefaultPrevented()||this._removeElement(rootElement)}dispose(){_jquery.default.removeData(this._element,"bs.alert"),this._element=null}_getRootElement(element){const selector=_util.default.getSelectorFromElement(element);let parent=!1;return selector&&(parent=document.querySelector(selector)),parent||(parent=(0,_jquery.default)(element).closest(".".concat("alert"))[0]),parent}_triggerCloseEvent(element){const closeEvent=_jquery.default.Event(EVENT_CLOSE);return(0,_jquery.default)(element).trigger(closeEvent),closeEvent}_removeElement(element){if((0,_jquery.default)(element).removeClass("show"),!(0,_jquery.default)(element).hasClass("fade"))return void this._destroyElement(element);const transitionDuration=_util.default.getTransitionDurationFromElement(element);(0,_jquery.default)(element).one(_util.default.TRANSITION_END,(event=>this._destroyElement(element,event))).emulateTransitionEnd(transitionDuration)}_destroyElement(element){(0,_jquery.default)(element).detach().trigger(EVENT_CLOSED).remove()}static _jQueryInterface(config){return this.each((function(){const $element=(0,_jquery.default)(this);let data=$element.data("bs.alert");data||(data=new Alert(this),$element.data("bs.alert",data)),"close"===config&&data[config](this)}))}static _handleDismiss(alertInstance){return function(event){event&&event.preventDefault(),alertInstance.close(this)}}}(0,_jquery.default)(document).on(EVENT_CLICK_DATA_API,'[data-dismiss="alert"]',Alert._handleDismiss(new Alert)),_jquery.default.fn.alert=Alert._jQueryInterface,_jquery.default.fn.alert.Constructor=Alert,_jquery.default.fn.alert.noConflict=()=>(_jquery.default.fn.alert=JQUERY_NO_CONFLICT,Alert._jQueryInterface);var _default=Alert;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=alert.min.js.map

theme/boost/amd/build/bootstrap/button.min.js

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+define("theme_boost/bootstrap/button",["exports","jquery"],(function(_exports,_jquery){var obj;Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj};const NAME="button",EVENT_KEY=".".concat("bs.button"),JQUERY_NO_CONFLICT=_jquery.default.fn[NAME],EVENT_CLICK_DATA_API="click".concat(EVENT_KEY).concat(".data-api"),EVENT_FOCUS_BLUR_DATA_API="focus".concat(EVENT_KEY).concat(".data-api"," ")+"blur".concat(EVENT_KEY).concat(".data-api"),EVENT_LOAD_DATA_API="load".concat(EVENT_KEY).concat(".data-api");class Button{constructor(element){this._element=element,this.shouldAvoidTriggerChange=!1}static get VERSION(){return"4.6.2"}toggle(){let triggerChangeEvent=!0,addAriaPressed=!0;const rootElement=(0,_jquery.default)(this._element).closest('[data-toggle="buttons"]')[0];if(rootElement){const input=this._element.querySelector('input:not([type="hidden"])');if(input){if("radio"===input.type)if(input.checked&&this._element.classList.contains("active"))triggerChangeEvent=!1;else{const activeElement=rootElement.querySelector(".active");activeElement&&(0,_jquery.default)(activeElement).removeClass("active")}triggerChangeEvent&&("checkbox"!==input.type&&"radio"!==input.type||(input.checked=!this._element.classList.contains("active")),this.shouldAvoidTriggerChange||(0,_jquery.default)(input).trigger("change")),input.focus(),addAriaPressed=!1}}this._element.hasAttribute("disabled")||this._element.classList.contains("disabled")||(addAriaPressed&&this._element.setAttribute("aria-pressed",!this._element.classList.contains("active")),triggerChangeEvent&&(0,_jquery.default)(this._element).toggleClass("active"))}dispose(){_jquery.default.removeData(this._element,"bs.button"),this._element=null}static _jQueryInterface(config,avoidTriggerChange){return this.each((function(){const $element=(0,_jquery.default)(this);let data=$element.data("bs.button");data||(data=new Button(this),$element.data("bs.button",data)),data.shouldAvoidTriggerChange=avoidTriggerChange,"toggle"===config&&data[config]()}))}}(0,_jquery.default)(document).on(EVENT_CLICK_DATA_API,'[data-toggle^="button"]',(event=>{let button=event.target;const initialButton=button;if((0,_jquery.default)(button).hasClass("btn")||(button=(0,_jquery.default)(button).closest(".btn")[0]),!button||button.hasAttribute("disabled")||button.classList.contains("disabled"))event.preventDefault();else{const inputBtn=button.querySelector('input:not([type="hidden"])');if(inputBtn&&(inputBtn.hasAttribute("disabled")||inputBtn.classList.contains("disabled")))return void event.preventDefault();"INPUT"!==initialButton.tagName&&"LABEL"===button.tagName||Button._jQueryInterface.call((0,_jquery.default)(button),"toggle","INPUT"===initialButton.tagName)}})).on(EVENT_FOCUS_BLUR_DATA_API,'[data-toggle^="button"]',(event=>{const button=(0,_jquery.default)(event.target).closest(".btn")[0];(0,_jquery.default)(button).toggleClass("focus",/^focus(in)?$/.test(event.type))})),(0,_jquery.default)(window).on(EVENT_LOAD_DATA_API,(()=>{let buttons=[].slice.call(document.querySelectorAll('[data-toggle="buttons"] .btn'));for(let i=0,len=buttons.length;i<len;i++){const button=buttons[i],input=button.querySelector('input:not([type="hidden"])');input.checked||input.hasAttribute("checked")?button.classList.add("active"):button.classList.remove("active")}buttons=[].slice.call(document.querySelectorAll('[data-toggle="button"]'));for(let i=0,len=buttons.length;i<len;i++){const button=buttons[i];"true"===button.getAttribute("aria-pressed")?button.classList.add("active"):button.classList.remove("active")}})),_jquery.default.fn[NAME]=Button._jQueryInterface,_jquery.default.fn[NAME].Constructor=Button,_jquery.default.fn[NAME].noConflict=()=>(_jquery.default.fn[NAME]=JQUERY_NO_CONFLICT,Button._jQueryInterface);var _default=Button;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=button.min.js.map

theme/boost/amd/build/bootstrap/popover.min.js

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+define("theme_boost/bootstrap/popover",["exports","jquery","./tooltip"],(function(_exports,_jquery,_tooltip){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=_interopRequireDefault(_jquery),_tooltip=_interopRequireDefault(_tooltip);const NAME="popover",EVENT_KEY=".".concat("bs.popover"),JQUERY_NO_CONFLICT=_jquery.default.fn[NAME],BSCLS_PREFIX_REGEX=new RegExp("(^|\\s)".concat("bs-popover","\\S+"),"g"),Default={..._tooltip.default.Default,placement:"right",trigger:"click",content:"",template:'<div class="popover" role="tooltip"><div class="arrow"></div><h3 class="popover-header"></h3><div class="popover-body"></div></div>'},DefaultType={..._tooltip.default.DefaultType,content:"(string|element|function)"},Event={HIDE:"hide".concat(EVENT_KEY),HIDDEN:"hidden".concat(EVENT_KEY),SHOW:"show".concat(EVENT_KEY),SHOWN:"shown".concat(EVENT_KEY),INSERTED:"inserted".concat(EVENT_KEY),CLICK:"click".concat(EVENT_KEY),FOCUSIN:"focusin".concat(EVENT_KEY),FOCUSOUT:"focusout".concat(EVENT_KEY),MOUSEENTER:"mouseenter".concat(EVENT_KEY),MOUSELEAVE:"mouseleave".concat(EVENT_KEY)};class Popover extends _tooltip.default{static get VERSION(){return"4.6.2"}static get Default(){return Default}static get NAME(){return NAME}static get DATA_KEY(){return"bs.popover"}static get Event(){return Event}static get EVENT_KEY(){return EVENT_KEY}static get DefaultType(){return DefaultType}isWithContent(){return this.getTitle()||this._getContent()}addAttachmentClass(attachment){(0,_jquery.default)(this.getTipElement()).addClass("".concat("bs-popover","-").concat(attachment))}getTipElement(){return this.tip=this.tip||(0,_jquery.default)(this.config.template)[0],this.tip}setContent(){const $tip=(0,_jquery.default)(this.getTipElement());this.setElementContent($tip.find(".popover-header"),this.getTitle());let content=this._getContent();"function"==typeof content&&(content=content.call(this.element)),this.setElementContent($tip.find(".popover-body"),content),$tip.removeClass("".concat("fade"," ").concat("show"))}_getContent(){return this.element.getAttribute("data-content")||this.config.content}_cleanTipClass(){const $tip=(0,_jquery.default)(this.getTipElement()),tabClass=$tip.attr("class").match(BSCLS_PREFIX_REGEX);null!==tabClass&&tabClass.length>0&&$tip.removeClass(tabClass.join(""))}static _jQueryInterface(config){return this.each((function(){let data=(0,_jquery.default)(this).data("bs.popover");const _config="object"==typeof config?config:null;if((data||!/dispose|hide/.test(config))&&(data||(data=new Popover(this,_config),(0,_jquery.default)(this).data("bs.popover",data)),"string"==typeof config)){if(void 0===data[config])throw new TypeError('No method named "'.concat(config,'"'));data[config]()}}))}}_jquery.default.fn[NAME]=Popover._jQueryInterface,_jquery.default.fn[NAME].Constructor=Popover,_jquery.default.fn[NAME].noConflict=()=>(_jquery.default.fn[NAME]=JQUERY_NO_CONFLICT,Popover._jQueryInterface);var _default=Popover;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=popover.min.js.map

theme/boost/amd/build/bootstrap/tab.min.js

@@ -0,0 +1,3 @@
+define("theme_boost/bootstrap/tab",["exports","jquery","./util"],(function(_exports,_jquery,_util){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=_interopRequireDefault(_jquery),_util=_interopRequireDefault(_util);const EVENT_KEY=".".concat("bs.tab"),JQUERY_NO_CONFLICT=_jquery.default.fn.tab,EVENT_HIDE="hide".concat(EVENT_KEY),EVENT_HIDDEN="hidden".concat(EVENT_KEY),EVENT_SHOW="show".concat(EVENT_KEY),EVENT_SHOWN="shown".concat(EVENT_KEY),EVENT_CLICK_DATA_API="click".concat(EVENT_KEY).concat(".data-api");class Tab{constructor(element){this._element=element}static get VERSION(){return"4.6.2"}show(){if(this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE&&(0,_jquery.default)(this._element).hasClass("active")||(0,_jquery.default)(this._element).hasClass("disabled")||this._element.hasAttribute("disabled"))return;let target,previous;const listElement=(0,_jquery.default)(this._element).closest(".nav, .list-group")[0],selector=_util.default.getSelectorFromElement(this._element);if(listElement){const itemSelector="UL"===listElement.nodeName||"OL"===listElement.nodeName?"> li > .active":".active";previous=_jquery.default.makeArray((0,_jquery.default)(listElement).find(itemSelector)),previous=previous[previous.length-1]}const hideEvent=_jquery.default.Event(EVENT_HIDE,{relatedTarget:this._element}),showEvent=_jquery.default.Event(EVENT_SHOW,{relatedTarget:previous});if(previous&&(0,_jquery.default)(previous).trigger(hideEvent),(0,_jquery.default)(this._element).trigger(showEvent),showEvent.isDefaultPrevented()||hideEvent.isDefaultPrevented())return;selector&&(target=document.querySelector(selector)),this._activate(this._element,listElement);const complete=()=>{const hiddenEvent=_jquery.default.Event(EVENT_HIDDEN,{relatedTarget:this._element}),shownEvent=_jquery.default.Event(EVENT_SHOWN,{relatedTarget:previous});(0,_jquery.default)(previous).trigger(hiddenEvent),(0,_jquery.default)(this._element).trigger(shownEvent)};target?this._activate(target,target.parentNode,complete):complete()}dispose(){_jquery.default.removeData(this._element,"bs.tab"),this._element=null}_activate(element,container,callback){const active=(!container||"UL"!==container.nodeName&&"OL"!==container.nodeName?(0,_jquery.default)(container).children(".active"):(0,_jquery.default)(container).find("> li > .active"))[0],isTransitioning=callback&&active&&(0,_jquery.default)(active).hasClass("fade"),complete=()=>this._transitionComplete(element,active,callback);if(active&&isTransitioning){const transitionDuration=_util.default.getTransitionDurationFromElement(active);(0,_jquery.default)(active).removeClass("show").one(_util.default.TRANSITION_END,complete).emulateTransitionEnd(transitionDuration)}else complete()}_transitionComplete(element,active,callback){if(active){(0,_jquery.default)(active).removeClass("active");const dropdownChild=(0,_jquery.default)(active.parentNode).find("> .dropdown-menu .active")[0];dropdownChild&&(0,_jquery.default)(dropdownChild).removeClass("active"),"tab"===active.getAttribute("role")&&active.setAttribute("aria-selected",!1)}(0,_jquery.default)(element).addClass("active"),"tab"===element.getAttribute("role")&&element.setAttribute("aria-selected",!0),_util.default.reflow(element),element.classList.contains("fade")&&element.classList.add("show");let parent=element.parentNode;if(parent&&"LI"===parent.nodeName&&(parent=parent.parentNode),parent&&(0,_jquery.default)(parent).hasClass("dropdown-menu")){const dropdownElement=(0,_jquery.default)(element).closest(".dropdown")[0];if(dropdownElement){const dropdownToggleList=[].slice.call(dropdownElement.querySelectorAll(".dropdown-toggle"));(0,_jquery.default)(dropdownToggleList).addClass("active")}element.setAttribute("aria-expanded",!0)}callback&&callback()}static _jQueryInterface(config){return this.each((function(){const $this=(0,_jquery.default)(this);let data=$this.data("bs.tab");if(data||(data=new Tab(this),$this.data("bs.tab",data)),"string"==typeof config){if(void 0===data[config])throw new TypeError('No method named "'.concat(config,'"'));data[config]()}}))}}(0,_jquery.default)(document).on(EVENT_CLICK_DATA_API,'[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',(function(event){event.preventDefault(),Tab._jQueryInterface.call((0,_jquery.default)(this),"show")})),_jquery.default.fn.tab=Tab._jQueryInterface,_jquery.default.fn.tab.Constructor=Tab,_jquery.default.fn.tab.noConflict=()=>(_jquery.default.fn.tab=JQUERY_NO_CONFLICT,Tab._jQueryInterface);var _default=Tab;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=tab.min.js.map

theme/boost/amd/build/bootstrap/toast.min.js

@@ -0,0 +1,3 @@
+define("theme_boost/bootstrap/toast",["exports","jquery","./util"],(function(_exports,_jquery,_util){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=_interopRequireDefault(_jquery),_util=_interopRequireDefault(_util);const NAME="toast",EVENT_KEY=".".concat("bs.toast"),JQUERY_NO_CONFLICT=_jquery.default.fn.toast,EVENT_CLICK_DISMISS="click.dismiss".concat(EVENT_KEY),EVENT_HIDE="hide".concat(EVENT_KEY),EVENT_HIDDEN="hidden".concat(EVENT_KEY),EVENT_SHOW="show".concat(EVENT_KEY),EVENT_SHOWN="shown".concat(EVENT_KEY),Default={animation:!0,autohide:!0,delay:500},DefaultType={animation:"boolean",autohide:"boolean",delay:"number"};class Toast{constructor(element,config){this._element=element,this._config=this._getConfig(config),this._timeout=null,this._setListeners()}static get VERSION(){return"4.6.2"}static get DefaultType(){return DefaultType}static get Default(){return Default}show(){const showEvent=_jquery.default.Event(EVENT_SHOW);if((0,_jquery.default)(this._element).trigger(showEvent),showEvent.isDefaultPrevented())return;this._clearTimeout(),this._config.animation&&this._element.classList.add("fade");const complete=()=>{this._element.classList.remove("showing"),this._element.classList.add("show"),(0,_jquery.default)(this._element).trigger(EVENT_SHOWN),this._config.autohide&&(this._timeout=setTimeout((()=>{this.hide()}),this._config.delay))};if(this._element.classList.remove("hide"),_util.default.reflow(this._element),this._element.classList.add("showing"),this._config.animation){const transitionDuration=_util.default.getTransitionDurationFromElement(this._element);(0,_jquery.default)(this._element).one(_util.default.TRANSITION_END,complete).emulateTransitionEnd(transitionDuration)}else complete()}hide(){if(!this._element.classList.contains("show"))return;const hideEvent=_jquery.default.Event(EVENT_HIDE);(0,_jquery.default)(this._element).trigger(hideEvent),hideEvent.isDefaultPrevented()||this._close()}dispose(){this._clearTimeout(),this._element.classList.contains("show")&&this._element.classList.remove("show"),(0,_jquery.default)(this._element).off(EVENT_CLICK_DISMISS),_jquery.default.removeData(this._element,"bs.toast"),this._element=null,this._config=null}_getConfig(config){return config={...Default,...(0,_jquery.default)(this._element).data(),..."object"==typeof config&&config?config:{}},_util.default.typeCheckConfig(NAME,config,this.constructor.DefaultType),config}_setListeners(){(0,_jquery.default)(this._element).on(EVENT_CLICK_DISMISS,'[data-dismiss="toast"]',(()=>this.hide()))}_close(){const complete=()=>{this._element.classList.add("hide"),(0,_jquery.default)(this._element).trigger(EVENT_HIDDEN)};if(this._element.classList.remove("show"),this._config.animation){const transitionDuration=_util.default.getTransitionDurationFromElement(this._element);(0,_jquery.default)(this._element).one(_util.default.TRANSITION_END,complete).emulateTransitionEnd(transitionDuration)}else complete()}_clearTimeout(){clearTimeout(this._timeout),this._timeout=null}static _jQueryInterface(config){return this.each((function(){const $element=(0,_jquery.default)(this);let data=$element.data("bs.toast");if(data||(data=new Toast(this,"object"==typeof config&&config),$element.data("bs.toast",data)),"string"==typeof config){if(void 0===data[config])throw new TypeError('No method named "'.concat(config,'"'));data[config](this)}}))}}_jquery.default.fn.toast=Toast._jQueryInterface,_jquery.default.fn.toast.Constructor=Toast,_jquery.default.fn.toast.noConflict=()=>(_jquery.default.fn.toast=JQUERY_NO_CONFLICT,Toast._jQueryInterface);var _default=Toast;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=toast.min.js.map

theme/boost/amd/build/bootstrap/tools/sanitizer.min.js

@@ -0,0 +1,3 @@
+define("theme_boost/bootstrap/tools/sanitizer",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.DefaultWhitelist=void 0,_exports.sanitizeHtml=function(unsafeHtml,whiteList,sanitizeFn){if(0===unsafeHtml.length)return unsafeHtml;if(sanitizeFn&&"function"==typeof sanitizeFn)return sanitizeFn(unsafeHtml);const createdDocument=(new window.DOMParser).parseFromString(unsafeHtml,"text/html"),whitelistKeys=Object.keys(whiteList),elements=[].slice.call(createdDocument.body.querySelectorAll("*"));for(let i=0,len=elements.length;i<len;i++){const el=elements[i],elName=el.nodeName.toLowerCase();if(-1===whitelistKeys.indexOf(el.nodeName.toLowerCase())){el.parentNode.removeChild(el);continue}const attributeList=[].slice.call(el.attributes),whitelistedAttributes=[].concat(whiteList["*"]||[],whiteList[elName]||[]);attributeList.forEach((attr=>{allowedAttribute(attr,whitelistedAttributes)||el.removeAttribute(attr.nodeName)}))}return createdDocument.body.innerHTML};const uriAttrs=["background","cite","href","itemtype","longdesc","poster","src","xlink:href"],DefaultWhitelist={"*":["class","dir","id","lang","role",/^aria-[\w-]*$/i],a:["target","href","title","rel"],area:[],b:[],br:[],col:[],code:[],div:[],em:[],hr:[],h1:[],h2:[],h3:[],h4:[],h5:[],h6:[],i:[],img:["src","srcset","alt","title","width","height"],li:[],ol:[],p:[],pre:[],s:[],small:[],span:[],sub:[],sup:[],strong:[],u:[],ul:[]};_exports.DefaultWhitelist=DefaultWhitelist;const SAFE_URL_PATTERN=/^(?:(?:https?|mailto|ftp|tel|file|sms):|[^#&/:?]*(?:[#/?]|$))/i,DATA_URL_PATTERN=/^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[\d+/a-z]+=*$/i;function allowedAttribute(attr,allowedAttributeList){const attrName=attr.nodeName.toLowerCase();if(-1!==allowedAttributeList.indexOf(attrName))return-1===uriAttrs.indexOf(attrName)||Boolean(SAFE_URL_PATTERN.test(attr.nodeValue)||DATA_URL_PATTERN.test(attr.nodeValue));const regExp=allowedAttributeList.filter((attrRegex=>attrRegex instanceof RegExp));for(let i=0,len=regExp.length;i<len;i++)if(regExp[i].test(attrName))return!0;return!1}}));
+
+//# sourceMappingURL=sanitizer.min.js.map

theme/boost/amd/build/bootstrap/util.min.js

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+define("theme_boost/bootstrap/util",["exports","jquery"],(function(_exports,_jquery){var obj;Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj};function toType(obj){return null==obj?"".concat(obj):{}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase()}function transitionEndEmulator(duration){let called=!1;return(0,_jquery.default)(this).one(Util.TRANSITION_END,(()=>{called=!0})),setTimeout((()=>{called||Util.triggerTransitionEnd(this)}),duration),this}const Util={TRANSITION_END:"bsTransitionEnd",getUID(prefix){do{prefix+=~~(1e6*Math.random())}while(document.getElementById(prefix));return prefix},getSelectorFromElement(element){let selector=element.getAttribute("data-target");if(!selector||"#"===selector){const hrefAttr=element.getAttribute("href");selector=hrefAttr&&"#"!==hrefAttr?hrefAttr.trim():""}try{return document.querySelector(selector)?selector:null}catch(_){return null}},getTransitionDurationFromElement(element){if(!element)return 0;let transitionDuration=(0,_jquery.default)(element).css("transition-duration"),transitionDelay=(0,_jquery.default)(element).css("transition-delay");const floatTransitionDuration=parseFloat(transitionDuration),floatTransitionDelay=parseFloat(transitionDelay);return floatTransitionDuration||floatTransitionDelay?(transitionDuration=transitionDuration.split(",")[0],transitionDelay=transitionDelay.split(",")[0],1e3*(parseFloat(transitionDuration)+parseFloat(transitionDelay))):0},reflow:element=>element.offsetHeight,triggerTransitionEnd(element){(0,_jquery.default)(element).trigger("transitionend")},supportsTransitionEnd:()=>Boolean("transitionend"),isElement:obj=>(obj[0]||obj).nodeType,typeCheckConfig(componentName,config,configTypes){for(const property in configTypes)if(Object.prototype.hasOwnProperty.call(configTypes,property)){const expectedTypes=configTypes[property],value=config[property],valueType=value&&Util.isElement(value)?"element":toType(value);if(!new RegExp(expectedTypes).test(valueType))throw new Error("".concat(componentName.toUpperCase(),": ")+'Option "'.concat(property,'" provided type "').concat(valueType,'" ')+'but expected type "'.concat(expectedTypes,'".'))}},findShadowRoot(element){if(!document.documentElement.attachShadow)return null;if("function"==typeof element.getRootNode){const root=element.getRootNode();return root instanceof ShadowRoot?root:null}return element instanceof ShadowRoot?element:element.parentNode?Util.findShadowRoot(element.parentNode):null},jQueryDetection(){if(void 0===_jquery.default)throw new TypeError("Bootstrap's JavaScript requires jQuery. jQuery must be included before Bootstrap's JavaScript.");const version=_jquery.default.fn.jquery.split(" ")[0].split(".");if(version[0]<2&&version[1]<9||1===version[0]&&9===version[1]&&version[2]<1||version[0]>=4)throw new Error("Bootstrap's JavaScript requires at least jQuery v1.9.1 but less than v4.0.0")}};Util.jQueryDetection(),_jquery.default.fn.emulateTransitionEnd=transitionEndEmulator,_jquery.default.event.special[Util.TRANSITION_END]={bindType:"transitionend",delegateType:"transitionend",handle(event){if((0,_jquery.default)(event.target).is(this))return event.handleObj.handler.apply(this,arguments)}};var _default=Util;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=util.min.js.map

theme/boost/amd/build/courseindexdrawercontrols.min.js

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+define("theme_boost/courseindexdrawercontrols",["exports","core/reactive","core_courseformat/courseeditor"],(function(_exports,_reactive,_courseeditor){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;
+/**
+   * Controls for the course index drawer, such as expand-all/collapse-all sections.
+   *
+   * @module     theme_boost/courseindexdrawercontrols
+   * @copyright  2023 Stefan Topfstedt
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */
+class Component extends _reactive.BaseComponent{create(){this.name="courseindexdrawercontrols",this.selectors={COLLAPSEALL:'[data-action="collapseallcourseindexsections"]',EXPANDALL:'[data-action="expandallcourseindexsections"]'}}static init(target,selectors){return new Component({element:document.getElementById(target),reactive:(0,_courseeditor.getCurrentCourseEditor)(),selectors:selectors})}stateReady(){const expandAllBtn=this.getElement(this.selectors.EXPANDALL);expandAllBtn&&this.addEventListener(expandAllBtn,"click",this._expandAllSections);const collapseAllBtn=this.getElement(this.selectors.COLLAPSEALL);collapseAllBtn&&this.addEventListener(collapseAllBtn,"click",this._collapseAllSections)}_collapseAllSections(){this._toggleAllSections(!0)}_expandAllSections(){this._toggleAllSections(!1)}_toggleAllSections(expandOrCollapse){this.reactive.dispatch("allSectionsIndexCollapsed",expandOrCollapse)}}return _exports.default=Component,_exports.default}));
+
+//# sourceMappingURL=courseindexdrawercontrols.min.js.map

theme/boost/amd/build/courseindexdrawercontrols.min.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"courseindexdrawercontrols.min.js","sources":["../src/courseindexdrawercontrols.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 * Controls for the course index drawer, such as expand-all/collapse-all sections.\n *\n * @module     theme_boost/courseindexdrawercontrols\n * @copyright  2023 Stefan Topfstedt\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport {BaseComponent} from 'core/reactive';\nimport {getCurrentCourseEditor} from 'core_courseformat/courseeditor';\n\nexport default class Component extends BaseComponent {\n\n  create() {\n    this.name = 'courseindexdrawercontrols';\n    this.selectors = {\n      COLLAPSEALL: `[data-action=\"collapseallcourseindexsections\"]`,\n      EXPANDALL: `[data-action=\"expandallcourseindexsections\"]`,\n    };\n  }\n\n  /**\n   * @param {element|string} target the DOM main element or its ID\n   * @param {object} selectors optional css selector overrides\n   * @return {Component}\n   */\n  static init(target, selectors) {\n    return new Component({\n      element: document.getElementById(target),\n      reactive: getCurrentCourseEditor(),\n      selectors,\n    });\n  }\n\n  /**\n   * Initial state ready method.\n   */\n  stateReady() {\n    // Attach the on-click event handlers to the expand-all and collapse-all buttons, if present.\n    const expandAllBtn = this.getElement(this.selectors.EXPANDALL);\n    if (expandAllBtn) {\n      this.addEventListener(expandAllBtn, 'click', this._expandAllSections);\n\n    }\n    const collapseAllBtn = this.getElement(this.selectors.COLLAPSEALL);\n    if (collapseAllBtn) {\n      this.addEventListener(collapseAllBtn, 'click', this._collapseAllSections);\n    }\n  }\n\n  /**\n   * On-click event handler for the collapse-all button.\n   * @private\n   */\n  _collapseAllSections() {\n    this._toggleAllSections(true);\n  }\n\n  /**\n   * On-click event handler for the expand-all button.\n   * @private\n   */\n  _expandAllSections() {\n    this._toggleAllSections(false);\n  }\n\n  /**\n   * Collapses or expands all sections in the course index.\n   * @param {boolean} expandOrCollapse set to TRUE to collapse all, and FALSE to expand all.\n   * @private\n   */\n  _toggleAllSections(expandOrCollapse) {\n    this.reactive.dispatch('allSectionsIndexCollapsed', expandOrCollapse);\n  }\n}\n"],"names":["Component","BaseComponent","create","name","selectors","COLLAPSEALL","EXPANDALL","target","element","document","getElementById","reactive","stateReady","expandAllBtn","this","getElement","addEventListener","_expandAllSections","collapseAllBtn","_collapseAllSections","_toggleAllSections","expandOrCollapse","dispatch"],"mappings":";;;;;;;;MAyBqBA,kBAAkBC,wBAErCC,cACOC,KAAO,iCACPC,UAAY,CACfC,6DACAC,sEASQC,OAAQH,kBACX,IAAIJ,UAAU,CACnBQ,QAASC,SAASC,eAAeH,QACjCI,UAAU,0CACVP,UAAAA,YAOJQ,mBAEQC,aAAeC,KAAKC,WAAWD,KAAKV,UAAUE,WAChDO,mBACGG,iBAAiBH,aAAc,QAASC,KAAKG,0BAG9CC,eAAiBJ,KAAKC,WAAWD,KAAKV,UAAUC,aAClDa,qBACGF,iBAAiBE,eAAgB,QAASJ,KAAKK,sBAQxDA,4BACOC,oBAAmB,GAO1BH,0BACOG,oBAAmB,GAQ1BA,mBAAmBC,uBACZV,SAASW,SAAS,4BAA6BD"}

theme/boost/amd/build/drawer.min.js

@@ -0,0 +1,10 @@
+/**
+ * Contain the logic for a drawer.
+ *
+ * @module theme_boost/drawer
+ * @copyright  2016 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("theme_boost/drawer",["jquery","core/custom_interaction_events","core/log","core/pubsub","core/aria","core_user/repository"],(function($,CustomEvents,Log,PubSub,Aria,UserRepository){var SELECTORS_TOGGLE_REGION='[data-region="drawer-toggle"]',SELECTORS_TOGGLE_ACTION='[data-action="toggle-drawer"]',SELECTORS_BODY="body",SELECTORS_SECTION='.list-group-item[href*="#section-"]',SELECTORS_DRAWER="#nav-drawer",small=$(document).width()<768,Drawer=function(){$(SELECTORS_TOGGLE_REGION).length||Log.debug("Page is missing a drawer region"),$(SELECTORS_TOGGLE_ACTION).length||Log.debug("Page is missing a drawer toggle link"),$(SELECTORS_TOGGLE_REGION).each(function(index,ele){var trigger=$(ele).find(SELECTORS_TOGGLE_ACTION),drawerid=trigger.attr("aria-controls"),drawer=$(document.getElementById(drawerid)),hidden="false"==trigger.attr("aria-expanded"),side=trigger.attr("data-side"),body=$(SELECTORS_BODY),preference=trigger.attr("data-preference");small&&UserRepository.setUserPreference(preference,!1),drawer.on("mousewheel DOMMouseScroll",this.preventPageScroll),hidden?trigger.attr("aria-expanded","false"):(body.addClass("drawer-open-"+side),trigger.attr("aria-expanded","true"))}.bind(this)),this.registerEventListeners(),small&&this.closeAll()};return Drawer.prototype.closeAll=function(){$(SELECTORS_TOGGLE_REGION).each((function(index,ele){var trigger=$(ele).find(SELECTORS_TOGGLE_ACTION),side=trigger.attr("data-side"),body=$(SELECTORS_BODY),drawerid=trigger.attr("aria-controls"),drawer=$(document.getElementById(drawerid)),preference=trigger.attr("data-preference");trigger.attr("aria-expanded","false"),body.removeClass("drawer-open-"+side),Aria.hide(drawer.get()),drawer.addClass("closed"),small||UserRepository.setUserPreference(preference,!1)}))},Drawer.prototype.toggleDrawer=function(e){var trigger=$(e.target).closest("[data-action=toggle-drawer]"),drawerid=trigger.attr("aria-controls"),drawer=$(document.getElementById(drawerid)),body=$(SELECTORS_BODY),side=trigger.attr("data-side"),preference=trigger.attr("data-preference");small&&UserRepository.setUserPreference(preference,!1),body.addClass("drawer-ease");var open="true"==trigger.attr("aria-expanded");open?(body.removeClass("drawer-open-"+side),trigger.attr("aria-expanded","false"),drawer.addClass("closed").delay(500).queue((function(){$(this).hasClass("closed")&&Aria.hide(this),$(this).dequeue()})),small||UserRepository.setUserPreference(preference,!1)):(trigger.attr("aria-expanded","true"),Aria.unhide(drawer.get()),drawer.focus(),body.addClass("drawer-open-"+side),drawer.removeClass("closed"),small||UserRepository.setUserPreference(preference,!0)),PubSub.publish("nav-drawer-toggle-start",open)},Drawer.prototype.preventPageScroll=function(e){var delta=e.wheelDelta||e.originalEvent&&e.originalEvent.wheelDelta||-e.originalEvent.detail,bottomOverflow=this.scrollTop+$(this).outerHeight()-this.scrollHeight>=0,topOverflow=this.scrollTop<=0;(delta<0&&bottomOverflow||delta>0&&topOverflow)&&e.preventDefault()},Drawer.prototype.registerEventListeners=function(){$(SELECTORS_TOGGLE_ACTION).each(function(index,element){CustomEvents.define($(element),[CustomEvents.events.activate]),$(element).on(CustomEvents.events.activate,function(e,data){this.toggleDrawer(data.originalEvent),data.originalEvent.preventDefault()}.bind(this))}.bind(this)),$(SELECTORS_SECTION).click(function(){small&&this.closeAll()}.bind(this)),$(SELECTORS_DRAWER).on("webkitTransitionEnd msTransitionEnd transitionend",(function(e){var open=!!$(e.target).closest(SELECTORS_DRAWER).attr("aria-hidden");PubSub.publish("nav-drawer-toggle-end",open)}))},{init:function(){return new Drawer}}}));
+
+//# sourceMappingURL=drawer.min.js.map

theme/boost/amd/build/footer-popover.min.js

@@ -0,0 +1,10 @@
+define("theme_boost/footer-popover",["exports","jquery","./popover"],(function(_exports,_jquery,_popover){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}
+/**
+   * Shows the footer content in a popover.
+   *
+   * @module     theme_boost/footer-popover
+   * @copyright  2021 Bas Brands
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),Object.defineProperty(_exports,"Popover",{enumerable:!0,get:function(){return _popover.default}}),_exports.init=void 0,_jquery=_interopRequireDefault(_jquery),_popover=_interopRequireDefault(_popover);const SELECTORS_FOOTERCONTAINER='[data-region="footer-container-popover"]',SELECTORS_FOOTERCONTENT='[data-region="footer-content-popover"]',SELECTORS_FOOTERBUTTON='[data-action="footer-popover"]';let footerIsShown=!1;_exports.init=()=>{const container=document.querySelector(SELECTORS_FOOTERCONTAINER),footerButton=document.querySelector(SELECTORS_FOOTERBUTTON);(0,_jquery.default)(footerButton).popover({content:getFooterContent,container:container,html:!0,placement:"top",customClass:"footer",trigger:"click",boundary:"viewport",popperConfig:{modifiers:{preventOverflow:{boundariesElement:"viewport",padding:48},offset:{},flip:{behavior:"flip"},arrow:{element:".arrow"}}}}),document.addEventListener("click",(e=>{footerIsShown&&!e.target.closest(SELECTORS_FOOTERCONTAINER)&&(0,_jquery.default)(footerButton).popover("hide")}),!0),document.addEventListener("keydown",(e=>{footerIsShown&&"Escape"===e.key&&((0,_jquery.default)(footerButton).popover("hide"),footerButton.focus())})),document.addEventListener("focus",(e=>{footerIsShown&&!e.target.closest(SELECTORS_FOOTERCONTAINER)&&(0,_jquery.default)(footerButton).popover("hide")}),!0),(0,_jquery.default)(footerButton).on("show.bs.popover",(()=>{footerIsShown=!0})),(0,_jquery.default)(footerButton).on("hide.bs.popover",(()=>{footerIsShown=!1}))};const getFooterContent=()=>document.querySelector(SELECTORS_FOOTERCONTENT).innerHTML}));
+
+//# sourceMappingURL=footer-popover.min.js.map

theme/boost/amd/build/footer-popover.min.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"footer-popover.min.js","sources":["../src/footer-popover.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 * Shows the footer content in a popover.\n *\n * @module     theme_boost/footer-popover\n * @copyright  2021 Bas Brands\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport Popover from './popover';\n\nconst SELECTORS = {\n    FOOTERCONTAINER: '[data-region=\"footer-container-popover\"]',\n    FOOTERCONTENT: '[data-region=\"footer-content-popover\"]',\n    FOOTERBUTTON: '[data-action=\"footer-popover\"]'\n};\n\nlet footerIsShown = false;\n\nexport const init = () => {\n    const container = document.querySelector(SELECTORS.FOOTERCONTAINER);\n    const footerButton = document.querySelector(SELECTORS.FOOTERBUTTON);\n\n    // All jQuery in this code can be replaced when MDL-71979 is integrated.\n    $(footerButton).popover({\n        content: getFooterContent,\n        container: container,\n        html: true,\n        placement: 'top',\n        customClass: 'footer',\n        trigger: 'click',\n        boundary: 'viewport',\n        popperConfig: {\n            modifiers: {\n                preventOverflow: {\n                    boundariesElement: 'viewport',\n                    padding: 48\n                },\n                offset: {},\n                flip: {\n                    behavior: 'flip'\n                },\n                arrow: {\n                    element: '.arrow'\n                },\n            }\n        }\n    });\n\n    document.addEventListener('click', e => {\n        if (footerIsShown && !e.target.closest(SELECTORS.FOOTERCONTAINER)) {\n            $(footerButton).popover('hide');\n        }\n    },\n    true);\n\n    document.addEventListener('keydown', e => {\n        if (footerIsShown && e.key === 'Escape') {\n            $(footerButton).popover('hide');\n            footerButton.focus();\n        }\n    });\n\n    document.addEventListener('focus', e => {\n        if (footerIsShown && !e.target.closest(SELECTORS.FOOTERCONTAINER)) {\n            $(footerButton).popover('hide');\n        }\n    },\n    true);\n\n    $(footerButton).on('show.bs.popover', () => {\n        footerIsShown = true;\n    });\n\n    $(footerButton).on('hide.bs.popover', () => {\n        footerIsShown = false;\n    });\n};\n\n/**\n * Get the footer content for popover.\n *\n * @returns {String} HTML string\n * @private\n */\nconst getFooterContent = () => {\n    return document.querySelector(SELECTORS.FOOTERCONTENT).innerHTML;\n};\n\nexport {\n    Popover\n};\n"],"names":["SELECTORS","footerIsShown","container","document","querySelector","footerButton","popover","content","getFooterContent","html","placement","customClass","trigger","boundary","popperConfig","modifiers","preventOverflow","boundariesElement","padding","offset","flip","behavior","arrow","element","addEventListener","e","target","closest","key","focus","on","innerHTML"],"mappings":";;;;;;;4QA0BMA,0BACe,2CADfA,wBAEa,yCAFbA,uBAGY,qCAGdC,eAAgB,gBAEA,WACVC,UAAYC,SAASC,cAAcJ,2BACnCK,aAAeF,SAASC,cAAcJ,4CAG1CK,cAAcC,QAAQ,CACpBC,QAASC,iBACTN,UAAWA,UACXO,MAAM,EACNC,UAAW,MACXC,YAAa,SACbC,QAAS,QACTC,SAAU,WACVC,aAAc,CACVC,UAAW,CACPC,gBAAiB,CACbC,kBAAmB,WACnBC,QAAS,IAEbC,OAAQ,GACRC,KAAM,CACFC,SAAU,QAEdC,MAAO,CACHC,QAAS,cAMzBpB,SAASqB,iBAAiB,SAASC,IAC3BxB,gBAAkBwB,EAAEC,OAAOC,QAAQ3B,gDACjCK,cAAcC,QAAQ,WAGhC,GAEAH,SAASqB,iBAAiB,WAAWC,IAC7BxB,eAA2B,WAAVwB,EAAEG,0BACjBvB,cAAcC,QAAQ,QACxBD,aAAawB,YAIrB1B,SAASqB,iBAAiB,SAASC,IAC3BxB,gBAAkBwB,EAAEC,OAAOC,QAAQ3B,gDACjCK,cAAcC,QAAQ,WAGhC,uBAEED,cAAcyB,GAAG,mBAAmB,KAClC7B,eAAgB,yBAGlBI,cAAcyB,GAAG,mBAAmB,KAClC7B,eAAgB,YAUlBO,iBAAmB,IACdL,SAASC,cAAcJ,yBAAyB+B"}

theme/boost/amd/build/form-display-errors.min.js

@@ -0,0 +1,11 @@
+/**
+ * Custom form error event handler to manipulate the bootstrap markup and show
+ * nicely styled errors in an mform.
+ *
+ * @module     theme_boost/form-display-errors
+ * @copyright  2016 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("theme_boost/form-display-errors",["jquery","core_form/events"],(function($,FormEvent){let focusedAlready=!1;return{enhance:function(elementid){var element=document.getElementById(elementid);if(element){element.addEventListener(FormEvent.eventTypes.formFieldValidationFailed,(e=>{const msg=e.detail.message;e.preventDefault();var parent=$(element).closest(".fitem"),feedback=parent.find(".form-control-feedback");const feedbackId=feedback.attr("id");let describedBy=$(element).attr("aria-describedby");void 0===describedBy&&(describedBy="");let describedByIds=[];describedBy.length&&(describedByIds=describedBy.split(" "));const feedbackIndex=describedByIds.indexOf(feedbackId);"TEXTAREA"==$(element).prop("tagName")&&parent.find("[contenteditable]").length>0&&(element=parent.find("[contenteditable]")),""!==msg?(parent.addClass("has-danger"),parent.data("client-validation-error",!0),$(element).addClass("is-invalid"),-1===feedbackIndex&&(describedByIds.push(feedbackId),$(element).attr("aria-describedby",describedByIds.join(" "))),$(element).attr("aria-invalid",!0),feedback.html(msg),feedback.show(),focusedAlready||(element.scrollIntoView({behavior:"smooth",block:"center"}),focusedAlready=!0,setTimeout((()=>{element.focus({preventScroll:!0}),focusedAlready=!1}),0))):!0===parent.data("client-validation-error")&&(parent.removeClass("has-danger"),parent.data("client-validation-error",!1),$(element).removeClass("is-invalid"),feedbackIndex>-1&&describedByIds.splice(feedbackIndex,1),describedByIds.length?(describedBy=describedByIds.join(" "),$(element).attr("aria-describedby",describedBy)):$(element).removeAttr("aria-describedby"),$(element).attr("aria-invalid",!1),feedback.hide())}));var form=element.closest("form");form&&!("boostFormErrorsEnhanced"in form.dataset)&&(form.addEventListener("submit",(function(){var visibleError=$(".form-control-feedback:visible");visibleError.length&&visibleError[0].focus()})),form.dataset.boostFormErrorsEnhanced=1)}}}}));
+
+//# sourceMappingURL=form-display-errors.min.js.map

theme/boost/amd/build/index.min.js

@@ -0,0 +1,3 @@
+define("theme_boost/index",["exports","./bootstrap/alert","./bootstrap/button","./bootstrap/carousel","./bootstrap/collapse","./bootstrap/dropdown","./bootstrap/modal","./bootstrap/popover","./bootstrap/scrollspy","./bootstrap/tab","./bootstrap/toast","./bootstrap/tooltip","./bootstrap/util"],(function(_exports,_alert,_button,_carousel,_collapse,_dropdown,_modal,_popover,_scrollspy,_tab,_toast,_tooltip,_util){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}Object.defineProperty(_exports,"__esModule",{value:!0}),Object.defineProperty(_exports,"Alert",{enumerable:!0,get:function(){return _alert.default}}),Object.defineProperty(_exports,"Button",{enumerable:!0,get:function(){return _button.default}}),Object.defineProperty(_exports,"Carousel",{enumerable:!0,get:function(){return _carousel.default}}),Object.defineProperty(_exports,"Collapse",{enumerable:!0,get:function(){return _collapse.default}}),Object.defineProperty(_exports,"Dropdown",{enumerable:!0,get:function(){return _dropdown.default}}),Object.defineProperty(_exports,"Modal",{enumerable:!0,get:function(){return _modal.default}}),Object.defineProperty(_exports,"Popover",{enumerable:!0,get:function(){return _popover.default}}),Object.defineProperty(_exports,"Scrollspy",{enumerable:!0,get:function(){return _scrollspy.default}}),Object.defineProperty(_exports,"Tab",{enumerable:!0,get:function(){return _tab.default}}),Object.defineProperty(_exports,"Toast",{enumerable:!0,get:function(){return _toast.default}}),Object.defineProperty(_exports,"Tooltip",{enumerable:!0,get:function(){return _tooltip.default}}),Object.defineProperty(_exports,"Util",{enumerable:!0,get:function(){return _util.default}}),_alert=_interopRequireDefault(_alert),_button=_interopRequireDefault(_button),_carousel=_interopRequireDefault(_carousel),_collapse=_interopRequireDefault(_collapse),_dropdown=_interopRequireDefault(_dropdown),_modal=_interopRequireDefault(_modal),_popover=_interopRequireDefault(_popover),_scrollspy=_interopRequireDefault(_scrollspy),_tab=_interopRequireDefault(_tab),_toast=_interopRequireDefault(_toast),_tooltip=_interopRequireDefault(_tooltip),_util=_interopRequireDefault(_util)}));
+
+//# sourceMappingURL=index.min.js.map

theme/boost/amd/build/index.min.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"index.min.js","sources":[],"sourcesContent":[],"names":[],"mappings":""}

theme/boost/amd/build/loader.min.js

@@ -0,0 +1,11 @@
+define("theme_boost/loader",["exports","jquery","./aria","./index","core/pending","./bootstrap/tools/sanitizer","./pending"],(function(_exports,_jquery,Aria,_index,_pending,_sanitizer,_pending2){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 _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}
+/**
+   * Template renderer for Moodle. Load and render Moodle templates with Mustache.
+   *
+   * @module     theme_boost/loader
+   * @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}),Object.defineProperty(_exports,"Bootstrap",{enumerable:!0,get:function(){return _index.default}}),_jquery=_interopRequireDefault(_jquery),Aria=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}(Aria),_index=_interopRequireDefault(_index),_pending=_interopRequireDefault(_pending),_pending2=_interopRequireDefault(_pending2);const pendingPromise=new _pending.default("theme_boost/loader:init");(0,_pending2.default)(),Aria.init(),(()=>{(0,_jquery.default)('a[data-toggle="tab"]').on("shown.bs.tab",(function(e){var hash=(0,_jquery.default)(e.target).attr("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()}})(),(0,_jquery.default)("body").popover({container:"body",selector:'[data-toggle="popover"]',trigger:"focus",whitelist:Object.assign(_sanitizer.DefaultWhitelist,{table:[],thead:[],tbody:[],tr:[],th:[],td:[]})}),document.addEventListener("keydown",(e=>{"Escape"===e.key&&e.target.closest('[data-toggle="popover"]')&&(0,_jquery.default)(e.target).popover("hide")})),(0,_jquery.default)("body").tooltip({container:"body",selector:'[data-toggle="tooltip"]'}),_jquery.default.fn.dropdown.Constructor.Default.popperConfig={modifiers:{flip:{enabled:!1},storeTopPosition:{enabled:!0,fn:(data,options)=>(data.storedTop=data.offsets.popper.top,data),order:299},restoreTopPosition:{enabled:!0,fn:(data,options)=>(data.offsets.popper.top=data.storedTop,data),order:301}}},pendingPromise.resolve()}));
+
+//# sourceMappingURL=loader.min.js.map

theme/boost/amd/build/pending.min.js

@@ -0,0 +1,10 @@
+define("theme_boost/pending",["exports","jquery"],(function(_exports,_jquery){var obj;
+/**
+   * Add Pending JS checks to stock Bootstrap transitions.
+   *
+   * @module     theme_boost/pending
+   * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj};const moduleTransitions={alert:[{start:"close",end:"closed"}],carousel:[{start:"slide",end:"slid"}],collapse:[{start:"hide",end:"hidden"},{start:"show",end:"shown"}],dropdown:[{start:"hide",end:"hidden"},{start:"show",end:"shown"}],modal:[{start:"hide",end:"hidden"},{start:"show",end:"shown"}],popover:[{start:"hide",end:"hidden"},{start:"show",end:"shown"}],tab:[{start:"hide",end:"hidden"},{start:"show",end:"shown"}],toast:[{start:"hide",end:"hidden"},{start:"show",end:"shown"}],tooltip:[{start:"hide",end:"hidden"},{start:"show",end:"shown"}]};return _exports.default=()=>{Object.entries(moduleTransitions).forEach((_ref=>{let[key,pairs]=_ref;pairs.forEach((pair=>{const eventStart="".concat(pair.start,".bs.").concat(key),eventEnd="".concat(pair.end,".bs.").concat(key);(0,_jquery.default)(document.body).on(eventStart,(e=>{M.util.js_pending(eventEnd),(0,_jquery.default)(e.target).one(eventEnd,(()=>{M.util.js_complete(eventEnd)}))}))}))}))},_exports.default}));
+
+//# sourceMappingURL=pending.min.js.map

theme/boost/amd/build/pending.min.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"pending.min.js","sources":["../src/pending.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 * Add Pending JS checks to stock Bootstrap transitions.\n *\n * @module     theme_boost/pending\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport jQuery from 'jquery';\nconst moduleTransitions = {\n    alert: [\n        // Alert.\n        {\n            start: 'close',\n            end: 'closed',\n        },\n    ],\n\n    carousel: [\n        {\n            start: 'slide',\n            end: 'slid',\n        },\n    ],\n\n    collapse: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    dropdown: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    modal: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    popover: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    tab: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    toast: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    tooltip: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n};\n\nexport default () => {\n    Object.entries(moduleTransitions).forEach(([key, pairs]) => {\n        pairs.forEach(pair => {\n            const eventStart = `${pair.start}.bs.${key}`;\n            const eventEnd = `${pair.end}.bs.${key}`;\n            jQuery(document.body).on(eventStart, e => {\n                M.util.js_pending(eventEnd);\n                jQuery(e.target).one(eventEnd, () => {\n                    M.util.js_complete(eventEnd);\n                });\n            });\n\n        });\n    });\n};\n"],"names":["moduleTransitions","alert","start","end","carousel","collapse","dropdown","modal","popover","tab","toast","tooltip","Object","entries","forEach","_ref","key","pairs","pair","eventStart","eventEnd","document","body","on","e","M","util","js_pending","target","one","js_complete"],"mappings":";;;;;;;mJAwBMA,kBAAoB,CACtBC,MAAO,CAEH,CACIC,MAAO,QACPC,IAAK,WAIbC,SAAU,CACN,CACIF,MAAO,QACPC,IAAK,SAIbE,SAAU,CACN,CACIH,MAAO,OACPC,IAAK,UAET,CACID,MAAO,OACPC,IAAK,UAIbG,SAAU,CACN,CACIJ,MAAO,OACPC,IAAK,UAET,CACID,MAAO,OACPC,IAAK,UAIbI,MAAO,CACH,CACIL,MAAO,OACPC,IAAK,UAET,CACID,MAAO,OACPC,IAAK,UAIbK,QAAS,CACL,CACIN,MAAO,OACPC,IAAK,UAET,CACID,MAAO,OACPC,IAAK,UAIbM,IAAK,CACD,CACIP,MAAO,OACPC,IAAK,UAET,CACID,MAAO,OACPC,IAAK,UAIbO,MAAO,CACH,CACIR,MAAO,OACPC,IAAK,UAET,CACID,MAAO,OACPC,IAAK,UAIbQ,QAAS,CACL,CACIT,MAAO,OACPC,IAAK,UAET,CACID,MAAO,OACPC,IAAK,mCAKF,KACXS,OAAOC,QAAQb,mBAAmBc,SAAQC,WAAEC,IAAKC,YAC7CA,MAAMH,SAAQI,aACJC,qBAAgBD,KAAKhB,qBAAYc,KACjCI,mBAAcF,KAAKf,mBAAUa,yBAC5BK,SAASC,MAAMC,GAAGJ,YAAYK,IACjCC,EAAEC,KAAKC,WAAWP,8BACXI,EAAEI,QAAQC,IAAIT,UAAU,KAC3BK,EAAEC,KAAKI,YAAYV"}

theme/boost/amd/build/popover.min.js

@@ -0,0 +1,3 @@
+define("theme_boost/popover",["exports","./bootstrap/popover"],(function(_exports,_popover){var obj;Object.defineProperty(_exports,"__esModule",{value:!0}),Object.defineProperty(_exports,"Popover",{enumerable:!0,get:function(){return _popover.default}}),_popover=(obj=_popover)&&obj.__esModule?obj:{default:obj}}));
+
+//# sourceMappingURL=popover.min.js.map

theme/boost/amd/build/popover.min.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"popover.min.js","sources":[],"sourcesContent":[],"names":[],"mappings":""}

theme/boost/amd/build/sticky-footer.min.js

@@ -0,0 +1,10 @@
+define("theme_boost/sticky-footer",["exports","core/pending","core/sticky-footer"],(function(_exports,_pending,_stickyFooter){var obj;
+/**
+   * Sticky footer module.
+   *
+   * @module     theme_boost/sticky-footer
+   * @copyright  2022 Ferran Recio <ferran@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=_exports.enableStickyFooter=_exports.disableStickyFooter=void 0,_pending=(obj=_pending)&&obj.__esModule?obj:{default:obj};const SELECTORS_STICKYFOOTER=".stickyfooter",SELECTORS_PAGE="#page",CLASSES_HASSTICKYFOOTER="hasstickyfooter";let initialized=!1,previousScrollPosition=0,enabled=!1;const scrollSpy=()=>{if(!enabled)return;if(document.body.clientWidth>=768)return;let scrollPosition=window.scrollY;scrollPosition>previousScrollPosition?hideStickyFooter():showStickyFooter(),previousScrollPosition=scrollPosition},showStickyFooter=()=>{const pendingPromise=new _pending.default("theme_boost/sticky-footer:enabling"),footer=document.querySelector(SELECTORS_STICKYFOOTER),page=document.querySelector(SELECTORS_PAGE);footer&&page&&(document.body.classList.add(CLASSES_HASSTICKYFOOTER),page.classList.add(CLASSES_HASSTICKYFOOTER)),setTimeout((()=>pendingPromise.resolve()),1e3)},hideStickyFooter=()=>{document.body.classList.remove(CLASSES_HASSTICKYFOOTER);const page=document.querySelector(SELECTORS_PAGE);null==page||page.classList.remove(CLASSES_HASSTICKYFOOTER)},enableStickyFooter=()=>{enabled=!0,showStickyFooter()};_exports.enableStickyFooter=enableStickyFooter;const disableStickyFooter=()=>{enabled=!1,hideStickyFooter()};_exports.disableStickyFooter=disableStickyFooter;_exports.init=()=>{initialized||document.body.classList.contains("behat-site")?(0,_stickyFooter.init)():(initialized=!0,(()=>{const footer=document.querySelector(SELECTORS_STICKYFOOTER);return!!footer&&!!footer.dataset.disable})()||enableStickyFooter(),document.addEventListener("scroll",scrollSpy),(0,_stickyFooter.registerManager)({enableStickyFooter:enableStickyFooter,disableStickyFooter:disableStickyFooter}))}}));
+
+//# sourceMappingURL=sticky-footer.min.js.map

theme/boost/amd/build/toast.min.js

@@ -0,0 +1,3 @@
+define("theme_boost/toast",["exports","./bootstrap/toast"],(function(_exports,_toast){var obj;Object.defineProperty(_exports,"__esModule",{value:!0}),Object.defineProperty(_exports,"Toast",{enumerable:!0,get:function(){return _toast.default}}),_toast=(obj=_toast)&&obj.__esModule?obj:{default:obj}}));
+
+//# sourceMappingURL=toast.min.js.map

theme/boost/amd/build/toast.min.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"toast.min.js","sources":[],"sourcesContent":[],"names":[],"mappings":""}

theme/boost/amd/src/aria.js

@@ -0,0 +1,504 @@
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Enhancements to Bootstrap components for accessibility.
+ *
+ * @module     theme_boost/aria
+ * @copyright  2018 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+import $ from 'jquery';
+import Pending from 'core/pending';
+import * as FocusLockManager from 'core/local/aria/focuslock';
+
+/**
+ * Drop downs from bootstrap don't support keyboard accessibility by default.
+ */
+const dropdownFix = () => {
+    let focusEnd = false;
+    const setFocusEnd = (end = true) => {
+        focusEnd = end;
+    };
+    const getFocusEnd = () => {
+        const result = focusEnd;
+        focusEnd = false;
+        return result;
+    };
+
+    // Special handling for navigation keys when menu is open.
+    const shiftFocus = (element, focusCheck = null) => {
+        const pendingPromise = new Pending('core/aria:delayed-focus');
+        setTimeout(() => {
+            if (!focusCheck || focusCheck()) {
+                element.focus();
+            }
+
+            pendingPromise.resolve();
+        }, 50);
+    };
+
+    // Event handling for the dropdown menu button.
+    const handleMenuButton = e => {
+        const trigger = e.key;
+        let fixFocus = false;
+
+        // Space key or Enter key opens the menu.
+        if (trigger === ' ' || trigger === 'Enter') {
+            fixFocus = true;
+            // Cancel random scroll.
+            e.preventDefault();
+            // Open the menu instead.
+            e.target.click();
+        }
+
+        // Up and Down keys also open the menu.
+        if (trigger === 'ArrowUp' || trigger === 'ArrowDown') {
+            fixFocus = true;
+        }
+
+        if (!fixFocus) {
+            // No need to fix the focus. Return early.
+            return;
+        }
+
+        // Fix the focus on the menu items when the menu is opened.
+        const menu = e.target.parentElement.querySelector('[role="menu"]');
+        let menuItems = false;
+        let foundMenuItem = false;
+
+        if (menu) {
+            menuItems = menu.querySelectorAll('[role="menuitem"]');
+        }
+        if (menuItems && menuItems.length > 0) {
+            // Up key opens the menu at the end.
+            if (trigger === 'ArrowUp') {
+                setFocusEnd();
+            } else {
+                setFocusEnd(false);
+            }
+
+            if (getFocusEnd()) {
+                foundMenuItem = menuItems[menuItems.length - 1];
+            } else {
+                // The first menu entry, pretty reasonable.
+                foundMenuItem = menuItems[0];
+            }
+        }
+
+        if (foundMenuItem) {
+            shiftFocus(foundMenuItem);
+        }
+    };
+
+    // Search for menu items by finding the first item that has
+    // text starting with the typed character (case insensitive).
+    document.addEventListener('keypress', e => {
+        if (e.target.matches('.dropdown [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];
+                const itemText = item.text.trim().toLowerCase();
+                if (itemText.indexOf(trigger) == 0) {
+                    shiftFocus(item);
+                    break;
+                }
+            }
+        }
+    });
+
+    // Keyboard navigation for arrow keys, home and end keys.
+    document.addEventListener('keydown', e => {
+
+        // We only want to set focus when users access the dropdown via keyboard as per
+        // guidelines defined in w3 aria practices 1.1 menu-button.
+        if (e.target.matches('[data-toggle="dropdown"]')) {
+            handleMenuButton(e);
+        }
+
+        if (e.target.matches('.dropdown [role="menu"] [role="menuitem"]')) {
+            const trigger = e.key;
+            let next = false;
+            const menu = e.target.closest('[role="menu"]');
+
+            if (!menu) {
+                return;
+            }
+            const menuItems = menu.querySelectorAll('[role="menuitem"]');
+            if (!menuItems) {
+                return;
+            }
+            // Down key.
+            if (trigger == 'ArrowDown') {
+                for (let i = 0; i < menuItems.length - 1; i++) {
+                    if (menuItems[i] == e.target) {
+                        next = menuItems[i + 1];
+                        break;
+                    }
+                }
+                if (!next) {
+                    // Wrap to first item.
+                    next = menuItems[0];
+                }
+            } else if (trigger == 'ArrowUp') {
+                // Up key.
+                for (let i = 1; i < menuItems.length; i++) {
+                    if (menuItems[i] == e.target) {
+                        next = menuItems[i - 1];
+                        break;
+                    }
+                }
+                if (!next) {
+                    // Wrap to last item.
+                    next = menuItems[menuItems.length - 1];
+                }
+            } else if (trigger == 'Home') {
+                // Home key.
+                next = menuItems[0];
+
+            } else if (trigger == 'End') {
+                // End key.
+                next = menuItems[menuItems.length - 1];
+            }
+
+            // Variable next is set if we do want to act on the keypress.
+            if (next) {
+                e.preventDefault();
+                shiftFocus(next);
+            }
+            return;
+        }
+    });
+
+    $('.dropdown').on('shown.bs.dropdown', e => {
+        const dialog = e.target.querySelector(`#${e.relatedTarget.getAttribute('aria-controls')}[role="dialog"]`);
+        if (dialog) {
+            // Use setTimeout to make sure the dialog is positioned correctly to prevent random scrolling.
+            setTimeout(() => {
+                FocusLockManager.trapFocus(dialog);
+            });
+        }
+    });
+
+    $('.dropdown').on('hidden.bs.dropdown', e => {
+        const dialog = e.target.querySelector(`#${e.relatedTarget.getAttribute('aria-controls')}[role="dialog"]`);
+        if (dialog) {
+            FocusLockManager.untrapFocus();
+        }
+
+        // We need to focus on the menu trigger.
+        const trigger = e.target.querySelector('[data-toggle="dropdown"]');
+        // If it's a click event, then no element is focused because the clicked element is inside a closed dropdown.
+        const focused = e.clickEvent?.target || (document.activeElement !== document.body ? document.activeElement : null);
+        if (trigger && focused && e.target.contains(focused)) {
+            shiftFocus(trigger, () => {
+                if (document.activeElement === document.body) {
+                    // If the focus is currently on the body, then we can safely assume that the focus needs to be updated.
+                    return true;
+                }
+
+                // If the focus is on a child of the clicked element still, then update the focus.
+                return e.target.contains(document.activeElement);
+            });
+        }
+    });
+};
+
+/**
+ * A lot of Bootstrap's out of the box features don't work if dropdown items are not focusable.
+ */
+const comboboxFix = () => {
+    $(document).on('show.bs.dropdown', e => {
+        if (e.relatedTarget.matches('[role="combobox"]')) {
+            const combobox = e.relatedTarget;
+            const listbox = document.querySelector(`#${combobox.getAttribute('aria-controls')}[role="listbox"]`);
+
+            if (listbox) {
+                const selectedOption = listbox.querySelector('[role="option"][aria-selected="true"]');
+
+                // To make sure ArrowDown doesn't move the active option afterwards.
+                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);
+            }
+        }
+    });
+
+    $(document).on('hidden.bs.dropdown', e => {
+        if (e.relatedTarget.matches('[role="combobox"]')) {
+            const combobox = e.relatedTarget;
+            const listbox = document.querySelector(`#${combobox.getAttribute('aria-controls')}[role="listbox"]`);
+
+            combobox.removeAttribute('aria-activedescendant');
+
+            if (listbox) {
+                setTimeout(() => {
+                    // Undo all previously highlighted options.
+                    listbox.querySelectorAll('.active[role="option"]').forEach(option => {
+                        option.classList.remove('active');
+                    });
+                }, 0);
+            }
+        }
+    });
+
+    // Handling keyboard events for both navigating through and selecting options.
+    document.addEventListener('keydown', e => {
+        if (e.target.matches('[role="combobox"][aria-controls]:not([aria-haspopup=dialog])')) {
+            const combobox = e.target;
+            const trigger = e.key;
+            let next = null;
+            const listbox = document.querySelector(`#${combobox.getAttribute('aria-controls')}[role="listbox"]`);
+            const options = listbox.querySelectorAll('[role="option"]');
+            const activeOption = listbox.querySelector('.active[role="option"]');
+            const editable = combobox.hasAttribute('aria-autocomplete');
+
+            // Under the special case that the dropdown menu is being shown as a result of the key press (like when the user
+            // presses ArrowDown or Enter or ... to open the dropdown menu), activeOption is not set yet.
+            // It's because of a race condition with show.bs.dropdown event handler.
+            if (options && (activeOption || editable)) {
+                if (trigger == 'ArrowDown') {
+                    for (let i = 0; i < options.length - 1; i++) {
+                        if (options[i] == activeOption) {
+                            next = options[i + 1];
+                            break;
+                        }
+                    }
+                    if (editable && !next) {
+                        next = options[0];
+                    }
+                } if (trigger == 'ArrowUp') {
+                    for (let i = 1; i < options.length; i++) {
+                        if (options[i] == activeOption) {
+                            next = options[i - 1];
+                            break;
+                        }
+                    }
+                    if (editable && !next) {
+                        next = options[options.length - 1];
+                    }
+                } else if (trigger == 'Home' && !editable) {
+                    next = options[0];
+                } else if (trigger == 'End' && !editable) {
+                    next = options[options.length - 1];
+                } else if ((trigger == ' ' && !editable) || trigger == 'Enter') {
+                    e.preventDefault();
+                    selectOption(combobox, activeOption);
+                } else if (!editable) {
+                    // Search for options by finding the first option that has
+                    // text starting with the typed character (case insensitive).
+                    for (let i = 0; i < options.length; i++) {
+                        const option = options[i];
+                        const optionText = option.textContent.trim().toLowerCase();
+                        const keyPressed = e.key.toLowerCase();
+                        if (optionText.indexOf(keyPressed) == 0) {
+                            next = option;
+                            break;
+                        }
+                    }
+                }
+
+                // Variable next is set if we do want to act on the keypress.
+                if (next) {
+                    e.preventDefault();
+                    if (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"]');
+            const combobox = document.querySelector(`[role="combobox"][aria-controls="${listbox.id}"]`);
+            if (combobox) {
+                selectOption(combobox, option);
+            }
+        }
+    });
+
+    // In case some code somewhere else changes the value of the combobox.
+    document.addEventListener('change', e => {
+        if (e.target.matches('input[type="hidden"][id]')) {
+            const combobox = document.querySelector(`[role="combobox"][data-input-element="${e.target.id}"]`);
+            const option = e.target.parentElement.querySelector(`[role="option"][data-value="${e.target.value}"]`);
+
+            if (combobox && option) {
+                selectOption(combobox, option);
+            }
+        }
+    });
+
+    const selectOption = (combobox, option) => {
+        const listbox = option.closest('[role="listbox"]');
+        const oldSelectedOption = listbox.querySelector('[role="option"][aria-selected="true"]');
+
+        if (oldSelectedOption != option) {
+            if (oldSelectedOption) {
+                oldSelectedOption.removeAttribute('aria-selected');
+            }
+            option.setAttribute('aria-selected', 'true');
+        }
+
+        if (combobox.hasAttribute('value')) {
+            combobox.value = option.dataset.shortText || option.textContent.replace(/[\n\r]+|[\s]{2,}/g, ' ').trim();
+        } else {
+            combobox.textContent = option.dataset.shortText || option.textContent;
+        }
+
+        if (combobox.dataset.inputElement) {
+            const inputElement = document.getElementById(combobox.dataset.inputElement);
+            if (inputElement && (inputElement.value != option.dataset.value)) {
+                inputElement.value = option.dataset.value;
+                inputElement.dispatchEvent(new Event('change', {bubbles: true}));
+            }
+        }
+    };
+};
+
+/**
+ * After page load, focus on any element with special autofocus attribute.
+ */
+const autoFocus = () => {
+    window.addEventListener("load", () => {
+        const alerts = document.querySelectorAll('[data-aria-autofocus="true"][role="alert"]');
+        Array.prototype.forEach.call(alerts, autofocusElement => {
+            // According to the specification an role="alert" region is only read out on change to the content
+            // of that region.
+            autofocusElement.innerHTML += ' ';
+            autofocusElement.removeAttribute('data-aria-autofocus');
+        });
+    });
+};
+
+/**
+ * Changes the focus to the correct tab based on the key that is pressed.
+ * @param {KeyboardEvent} e
+ */
+const updateTabFocus = e => {
+    const tabList = e.target.closest('[role="tablist"]');
+    const vertical = tabList.getAttribute('aria-orientation') == 'vertical';
+    const rtl = window.right_to_left();
+    const arrowNext = vertical ? 'ArrowDown' : (rtl ? 'ArrowLeft' : 'ArrowRight');
+    const arrowPrevious = vertical ? 'ArrowUp' : (rtl ? 'ArrowRight' : 'ArrowLeft');
+    const tabs = Array.prototype.filter.call(
+        tabList.querySelectorAll('[role="tab"]'),
+        tab => !!tab.offsetHeight); // We only work with the visible tabs.
+
+    for (let i = 0; i < tabs.length; i++) {
+        tabs[i].index = i;
+    }
+
+    switch (e.key) {
+        case arrowNext:
+            e.preventDefault();
+            if (e.target.index !== undefined && tabs[e.target.index + 1]) {
+                tabs[e.target.index + 1].focus();
+            } else {
+                tabs[0].focus();
+            }
+            break;
+        case arrowPrevious:
+            e.preventDefault();
+            if (e.target.index !== undefined && tabs[e.target.index - 1]) {
+                tabs[e.target.index - 1].focus();
+            } else {
+                tabs[tabs.length - 1].focus();
+            }
+            break;
+        case 'Home':
+            e.preventDefault();
+            tabs[0].focus();
+            break;
+        case 'End':
+            e.preventDefault();
+            tabs[tabs.length - 1].focus();
+    }
+};
+
+/**
+ * Fix accessibility issues regarding tab elements focus and their tab order in Bootstrap navs.
+ */
+const tabElementFix = () => {
+    document.addEventListener('keydown', e => {
+        if (['ArrowUp', 'ArrowDown', 'ArrowLeft', 'ArrowRight', 'Home', 'End'].includes(e.key)) {
+            if (e.target.matches('[role="tablist"] [role="tab"]')) {
+                updateTabFocus(e);
+            }
+        }
+    });
+
+    document.addEventListener('click', e => {
+        if (e.target.matches('[role="tablist"] [data-toggle="tab"], [role="tablist"] [data-toggle="pill"]')) {
+            const tabs = e.target.closest('[role="tablist"]').querySelectorAll('[data-toggle="tab"], [data-toggle="pill"]');
+            e.preventDefault();
+            $(e.target).tab('show');
+            tabs.forEach(tab => {
+                tab.tabIndex = -1;
+            });
+            e.target.tabIndex = 0;
+        }
+    });
+};
+
+/**
+ * Fix keyboard interaction with Bootstrap Collapse elements.
+ *
+ * @see {@link https://www.w3.org/TR/wai-aria-practices-1.1/#disclosure|WAI-ARIA Authoring Practices 1.1 - Disclosure (Show/Hide)}
+ */
+const collapseFix = () => {
+    document.addEventListener('keydown', e => {
+        if (e.target.matches('[data-toggle="collapse"]')) {
+            // Pressing space should toggle expand/collapse.
+            if (e.key === ' ') {
+                e.preventDefault();
+                e.target.click();
+            }
+        }
+    });
+};
+
+export const init = () => {
+    dropdownFix();
+    comboboxFix();
+    autoFocus();
+    tabElementFix();
+    collapseFix();
+};

theme/boost/amd/src/bootstrap/alert.js

@@ -0,0 +1,161 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): alert.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import $ from 'jquery'
+import Util from './util'
+
+/**
+ * Constants
+ */
+
+const NAME = 'alert'
+const VERSION = '4.6.2'
+const DATA_KEY = 'bs.alert'
+const EVENT_KEY = `.${DATA_KEY}`
+const DATA_API_KEY = '.data-api'
+const JQUERY_NO_CONFLICT = $.fn[NAME]
+
+const CLASS_NAME_ALERT = 'alert'
+const CLASS_NAME_FADE = 'fade'
+const CLASS_NAME_SHOW = 'show'
+
+const EVENT_CLOSE = `close${EVENT_KEY}`
+const EVENT_CLOSED = `closed${EVENT_KEY}`
+const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
+
+const SELECTOR_DISMISS = '[data-dismiss="alert"]'
+
+/**
+ * Class definition
+ */
+
+class Alert {
+  constructor(element) {
+    this._element = element
+  }
+
+  // Getters
+  static get VERSION() {
+    return VERSION
+  }
+
+  // Public
+  close(element) {
+    let rootElement = this._element
+    if (element) {
+      rootElement = this._getRootElement(element)
+    }
+
+    const customEvent = this._triggerCloseEvent(rootElement)
+
+    if (customEvent.isDefaultPrevented()) {
+      return
+    }
+
+    this._removeElement(rootElement)
+  }
+
+  dispose() {
+    $.removeData(this._element, DATA_KEY)
+    this._element = null
+  }
+
+  // Private
+  _getRootElement(element) {
+    const selector = Util.getSelectorFromElement(element)
+    let parent = false
+
+    if (selector) {
+      parent = document.querySelector(selector)
+    }
+
+    if (!parent) {
+      parent = $(element).closest(`.${CLASS_NAME_ALERT}`)[0]
+    }
+
+    return parent
+  }
+
+  _triggerCloseEvent(element) {
+    const closeEvent = $.Event(EVENT_CLOSE)
+
+    $(element).trigger(closeEvent)
+    return closeEvent
+  }
+
+  _removeElement(element) {
+    $(element).removeClass(CLASS_NAME_SHOW)
+
+    if (!$(element).hasClass(CLASS_NAME_FADE)) {
+      this._destroyElement(element)
+      return
+    }
+
+    const transitionDuration = Util.getTransitionDurationFromElement(element)
+
+    $(element)
+      .one(Util.TRANSITION_END, event => this._destroyElement(element, event))
+      .emulateTransitionEnd(transitionDuration)
+  }
+
+  _destroyElement(element) {
+    $(element)
+      .detach()
+      .trigger(EVENT_CLOSED)
+      .remove()
+  }
+
+  // Static
+  static _jQueryInterface(config) {
+    return this.each(function () {
+      const $element = $(this)
+      let data = $element.data(DATA_KEY)
+
+      if (!data) {
+        data = new Alert(this)
+        $element.data(DATA_KEY, data)
+      }
+
+      if (config === 'close') {
+        data[config](this)
+      }
+    })
+  }
+
+  static _handleDismiss(alertInstance) {
+    return function (event) {
+      if (event) {
+        event.preventDefault()
+      }
+
+      alertInstance.close(this)
+    }
+  }
+}
+
+/**
+ * Data API implementation
+ */
+
+$(document).on(
+  EVENT_CLICK_DATA_API,
+  SELECTOR_DISMISS,
+  Alert._handleDismiss(new Alert())
+)
+
+/**
+ * jQuery
+ */
+
+$.fn[NAME] = Alert._jQueryInterface
+$.fn[NAME].Constructor = Alert
+$.fn[NAME].noConflict = () => {
+  $.fn[NAME] = JQUERY_NO_CONFLICT
+  return Alert._jQueryInterface
+}
+
+export default Alert

theme/boost/amd/src/bootstrap/button.js

@@ -0,0 +1,198 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): button.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import $ from 'jquery'
+
+/**
+ * Constants
+ */
+
+const NAME = 'button'
+const VERSION = '4.6.2'
+const DATA_KEY = 'bs.button'
+const EVENT_KEY = `.${DATA_KEY}`
+const DATA_API_KEY = '.data-api'
+const JQUERY_NO_CONFLICT = $.fn[NAME]
+
+const CLASS_NAME_ACTIVE = 'active'
+const CLASS_NAME_BUTTON = 'btn'
+const CLASS_NAME_FOCUS = 'focus'
+
+const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
+const EVENT_FOCUS_BLUR_DATA_API = `focus${EVENT_KEY}${DATA_API_KEY} ` +
+                          `blur${EVENT_KEY}${DATA_API_KEY}`
+const EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`
+
+const SELECTOR_DATA_TOGGLE_CARROT = '[data-toggle^="button"]'
+const SELECTOR_DATA_TOGGLES = '[data-toggle="buttons"]'
+const SELECTOR_DATA_TOGGLE = '[data-toggle="button"]'
+const SELECTOR_DATA_TOGGLES_BUTTONS = '[data-toggle="buttons"] .btn'
+const SELECTOR_INPUT = 'input:not([type="hidden"])'
+const SELECTOR_ACTIVE = '.active'
+const SELECTOR_BUTTON = '.btn'
+
+/**
+ * Class definition
+ */
+
+class Button {
+  constructor(element) {
+    this._element = element
+    this.shouldAvoidTriggerChange = false
+  }
+
+  // Getters
+  static get VERSION() {
+    return VERSION
+  }
+
+  // Public
+  toggle() {
+    let triggerChangeEvent = true
+    let addAriaPressed = true
+    const rootElement = $(this._element).closest(SELECTOR_DATA_TOGGLES)[0]
+
+    if (rootElement) {
+      const input = this._element.querySelector(SELECTOR_INPUT)
+
+      if (input) {
+        if (input.type === 'radio') {
+          if (input.checked && this._element.classList.contains(CLASS_NAME_ACTIVE)) {
+            triggerChangeEvent = false
+          } else {
+            const activeElement = rootElement.querySelector(SELECTOR_ACTIVE)
+
+            if (activeElement) {
+              $(activeElement).removeClass(CLASS_NAME_ACTIVE)
+            }
+          }
+        }
+
+        if (triggerChangeEvent) {
+          // if it's not a radio button or checkbox don't add a pointless/invalid checked property to the input
+          if (input.type === 'checkbox' || input.type === 'radio') {
+            input.checked = !this._element.classList.contains(CLASS_NAME_ACTIVE)
+          }
+
+          if (!this.shouldAvoidTriggerChange) {
+            $(input).trigger('change')
+          }
+        }
+
+        input.focus()
+        addAriaPressed = false
+      }
+    }
+
+    if (!(this._element.hasAttribute('disabled') || this._element.classList.contains('disabled'))) {
+      if (addAriaPressed) {
+        this._element.setAttribute('aria-pressed', !this._element.classList.contains(CLASS_NAME_ACTIVE))
+      }
+
+      if (triggerChangeEvent) {
+        $(this._element).toggleClass(CLASS_NAME_ACTIVE)
+      }
+    }
+  }
+
+  dispose() {
+    $.removeData(this._element, DATA_KEY)
+    this._element = null
+  }
+
+  // Static
+  static _jQueryInterface(config, avoidTriggerChange) {
+    return this.each(function () {
+      const $element = $(this)
+      let data = $element.data(DATA_KEY)
+
+      if (!data) {
+        data = new Button(this)
+        $element.data(DATA_KEY, data)
+      }
+
+      data.shouldAvoidTriggerChange = avoidTriggerChange
+
+      if (config === 'toggle') {
+        data[config]()
+      }
+    })
+  }
+}
+
+/**
+ * Data API implementation
+ */
+
+$(document)
+  .on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE_CARROT, event => {
+    let button = event.target
+    const initialButton = button
+
+    if (!$(button).hasClass(CLASS_NAME_BUTTON)) {
+      button = $(button).closest(SELECTOR_BUTTON)[0]
+    }
+
+    if (!button || button.hasAttribute('disabled') || button.classList.contains('disabled')) {
+      event.preventDefault() // work around Firefox bug #1540995
+    } else {
+      const inputBtn = button.querySelector(SELECTOR_INPUT)
+
+      if (inputBtn && (inputBtn.hasAttribute('disabled') || inputBtn.classList.contains('disabled'))) {
+        event.preventDefault() // work around Firefox bug #1540995
+        return
+      }
+
+      if (initialButton.tagName === 'INPUT' || button.tagName !== 'LABEL') {
+        Button._jQueryInterface.call($(button), 'toggle', initialButton.tagName === 'INPUT')
+      }
+    }
+  })
+  .on(EVENT_FOCUS_BLUR_DATA_API, SELECTOR_DATA_TOGGLE_CARROT, event => {
+    const button = $(event.target).closest(SELECTOR_BUTTON)[0]
+    $(button).toggleClass(CLASS_NAME_FOCUS, /^focus(in)?$/.test(event.type))
+  })
+
+$(window).on(EVENT_LOAD_DATA_API, () => {
+  // ensure correct active class is set to match the controls' actual values/states
+
+  // find all checkboxes/readio buttons inside data-toggle groups
+  let buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLES_BUTTONS))
+  for (let i = 0, len = buttons.length; i < len; i++) {
+    const button = buttons[i]
+    const input = button.querySelector(SELECTOR_INPUT)
+    if (input.checked || input.hasAttribute('checked')) {
+      button.classList.add(CLASS_NAME_ACTIVE)
+    } else {
+      button.classList.remove(CLASS_NAME_ACTIVE)
+    }
+  }
+
+  // find all button toggles
+  buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))
+  for (let i = 0, len = buttons.length; i < len; i++) {
+    const button = buttons[i]
+    if (button.getAttribute('aria-pressed') === 'true') {
+      button.classList.add(CLASS_NAME_ACTIVE)
+    } else {
+      button.classList.remove(CLASS_NAME_ACTIVE)
+    }
+  }
+})
+
+/**
+ * jQuery
+ */
+
+$.fn[NAME] = Button._jQueryInterface
+$.fn[NAME].Constructor = Button
+$.fn[NAME].noConflict = () => {
+  $.fn[NAME] = JQUERY_NO_CONFLICT
+  return Button._jQueryInterface
+}
+
+export default Button

theme/boost/amd/src/bootstrap/carousel.js

@@ -0,0 +1,600 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): carousel.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import $ from 'jquery'
+import Util from './util'
+
+/**
+ * Constants
+ */
+
+const NAME = 'carousel'
+const VERSION = '4.6.2'
+const DATA_KEY = 'bs.carousel'
+const EVENT_KEY = `.${DATA_KEY}`
+const DATA_API_KEY = '.data-api'
+const JQUERY_NO_CONFLICT = $.fn[NAME]
+const ARROW_LEFT_KEYCODE = 37 // KeyboardEvent.which value for left arrow key
+const ARROW_RIGHT_KEYCODE = 39 // KeyboardEvent.which value for right arrow key
+const TOUCHEVENT_COMPAT_WAIT = 500 // Time for mouse compat events to fire after touch
+const SWIPE_THRESHOLD = 40
+
+const CLASS_NAME_CAROUSEL = 'carousel'
+const CLASS_NAME_ACTIVE = 'active'
+const CLASS_NAME_SLIDE = 'slide'
+const CLASS_NAME_RIGHT = 'carousel-item-right'
+const CLASS_NAME_LEFT = 'carousel-item-left'
+const CLASS_NAME_NEXT = 'carousel-item-next'
+const CLASS_NAME_PREV = 'carousel-item-prev'
+const CLASS_NAME_POINTER_EVENT = 'pointer-event'
+
+const DIRECTION_NEXT = 'next'
+const DIRECTION_PREV = 'prev'
+const DIRECTION_LEFT = 'left'
+const DIRECTION_RIGHT = 'right'
+
+const EVENT_SLIDE = `slide${EVENT_KEY}`
+const EVENT_SLID = `slid${EVENT_KEY}`
+const EVENT_KEYDOWN = `keydown${EVENT_KEY}`
+const EVENT_MOUSEENTER = `mouseenter${EVENT_KEY}`
+const EVENT_MOUSELEAVE = `mouseleave${EVENT_KEY}`
+const EVENT_TOUCHSTART = `touchstart${EVENT_KEY}`
+const EVENT_TOUCHMOVE = `touchmove${EVENT_KEY}`
+const EVENT_TOUCHEND = `touchend${EVENT_KEY}`
+const EVENT_POINTERDOWN = `pointerdown${EVENT_KEY}`
+const EVENT_POINTERUP = `pointerup${EVENT_KEY}`
+const EVENT_DRAG_START = `dragstart${EVENT_KEY}`
+const EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`
+const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
+
+const SELECTOR_ACTIVE = '.active'
+const SELECTOR_ACTIVE_ITEM = '.active.carousel-item'
+const SELECTOR_ITEM = '.carousel-item'
+const SELECTOR_ITEM_IMG = '.carousel-item img'
+const SELECTOR_NEXT_PREV = '.carousel-item-next, .carousel-item-prev'
+const SELECTOR_INDICATORS = '.carousel-indicators'
+const SELECTOR_DATA_SLIDE = '[data-slide], [data-slide-to]'
+const SELECTOR_DATA_RIDE = '[data-ride="carousel"]'
+
+const Default = {
+  interval: 5000,
+  keyboard: true,
+  slide: false,
+  pause: 'hover',
+  wrap: true,
+  touch: true
+}
+
+const DefaultType = {
+  interval: '(number|boolean)',
+  keyboard: 'boolean',
+  slide: '(boolean|string)',
+  pause: '(string|boolean)',
+  wrap: 'boolean',
+  touch: 'boolean'
+}
+
+const PointerType = {
+  TOUCH: 'touch',
+  PEN: 'pen'
+}
+
+/**
+ * Class definition
+ */
+
+class Carousel {
+  constructor(element, config) {
+    this._items = null
+    this._interval = null
+    this._activeElement = null
+    this._isPaused = false
+    this._isSliding = false
+    this.touchTimeout = null
+    this.touchStartX = 0
+    this.touchDeltaX = 0
+
+    this._config = this._getConfig(config)
+    this._element = element
+    this._indicatorsElement = this._element.querySelector(SELECTOR_INDICATORS)
+    this._touchSupported = 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0
+    this._pointerEvent = Boolean(window.PointerEvent || window.MSPointerEvent)
+
+    this._addEventListeners()
+  }
+
+  // Getters
+  static get VERSION() {
+    return VERSION
+  }
+
+  static get Default() {
+    return Default
+  }
+
+  // Public
+  next() {
+    if (!this._isSliding) {
+      this._slide(DIRECTION_NEXT)
+    }
+  }
+
+  nextWhenVisible() {
+    const $element = $(this._element)
+    // Don't call next when the page isn't visible
+    // or the carousel or its parent isn't visible
+    if (!document.hidden &&
+      ($element.is(':visible') && $element.css('visibility') !== 'hidden')) {
+      this.next()
+    }
+  }
+
+  prev() {
+    if (!this._isSliding) {
+      this._slide(DIRECTION_PREV)
+    }
+  }
+
+  pause(event) {
+    if (!event) {
+      this._isPaused = true
+    }
+
+    if (this._element.querySelector(SELECTOR_NEXT_PREV)) {
+      Util.triggerTransitionEnd(this._element)
+      this.cycle(true)
+    }
+
+    clearInterval(this._interval)
+    this._interval = null
+  }
+
+  cycle(event) {
+    if (!event) {
+      this._isPaused = false
+    }
+
+    if (this._interval) {
+      clearInterval(this._interval)
+      this._interval = null
+    }
+
+    if (this._config.interval && !this._isPaused) {
+      this._updateInterval()
+
+      this._interval = setInterval(
+        (document.visibilityState ? this.nextWhenVisible : this.next).bind(this),
+        this._config.interval
+      )
+    }
+  }
+
+  to(index) {
+    this._activeElement = this._element.querySelector(SELECTOR_ACTIVE_ITEM)
+
+    const activeIndex = this._getItemIndex(this._activeElement)
+
+    if (index > this._items.length - 1 || index < 0) {
+      return
+    }
+
+    if (this._isSliding) {
+      $(this._element).one(EVENT_SLID, () => this.to(index))
+      return
+    }
+
+    if (activeIndex === index) {
+      this.pause()
+      this.cycle()
+      return
+    }
+
+    const direction = index > activeIndex ?
+      DIRECTION_NEXT :
+      DIRECTION_PREV
+
+    this._slide(direction, this._items[index])
+  }
+
+  dispose() {
+    $(this._element).off(EVENT_KEY)
+    $.removeData(this._element, DATA_KEY)
+
+    this._items = null
+    this._config = null
+    this._element = null
+    this._interval = null
+    this._isPaused = null
+    this._isSliding = null
+    this._activeElement = null
+    this._indicatorsElement = null
+  }
+
+  // Private
+  _getConfig(config) {
+    config = {
+      ...Default,
+      ...config
+    }
+    Util.typeCheckConfig(NAME, config, DefaultType)
+    return config
+  }
+
+  _handleSwipe() {
+    const absDeltax = Math.abs(this.touchDeltaX)
+
+    if (absDeltax <= SWIPE_THRESHOLD) {
+      return
+    }
+
+    const direction = absDeltax / this.touchDeltaX
+
+    this.touchDeltaX = 0
+
+    // swipe left
+    if (direction > 0) {
+      this.prev()
+    }
+
+    // swipe right
+    if (direction < 0) {
+      this.next()
+    }
+  }
+
+  _addEventListeners() {
+    if (this._config.keyboard) {
+      $(this._element).on(EVENT_KEYDOWN, event => this._keydown(event))
+    }
+
+    if (this._config.pause === 'hover') {
+      $(this._element)
+        .on(EVENT_MOUSEENTER, event => this.pause(event))
+        .on(EVENT_MOUSELEAVE, event => this.cycle(event))
+    }
+
+    if (this._config.touch) {
+      this._addTouchEventListeners()
+    }
+  }
+
+  _addTouchEventListeners() {
+    if (!this._touchSupported) {
+      return
+    }
+
+    const start = event => {
+      if (this._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {
+        this.touchStartX = event.originalEvent.clientX
+      } else if (!this._pointerEvent) {
+        this.touchStartX = event.originalEvent.touches[0].clientX
+      }
+    }
+
+    const move = event => {
+      // ensure swiping with one touch and not pinching
+      this.touchDeltaX = event.originalEvent.touches && event.originalEvent.touches.length > 1 ?
+        0 :
+        event.originalEvent.touches[0].clientX - this.touchStartX
+    }
+
+    const end = event => {
+      if (this._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {
+        this.touchDeltaX = event.originalEvent.clientX - this.touchStartX
+      }
+
+      this._handleSwipe()
+      if (this._config.pause === 'hover') {
+        // If it's a touch-enabled device, mouseenter/leave are fired as
+        // part of the mouse compatibility events on first tap - the carousel
+        // would stop cycling until user tapped out of it;
+        // here, we listen for touchend, explicitly pause the carousel
+        // (as if it's the second time we tap on it, mouseenter compat event
+        // is NOT fired) and after a timeout (to allow for mouse compatibility
+        // events to fire) we explicitly restart cycling
+
+        this.pause()
+        if (this.touchTimeout) {
+          clearTimeout(this.touchTimeout)
+        }
+
+        this.touchTimeout = setTimeout(event => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval)
+      }
+    }
+
+    $(this._element.querySelectorAll(SELECTOR_ITEM_IMG))
+      .on(EVENT_DRAG_START, e => e.preventDefault())
+
+    if (this._pointerEvent) {
+      $(this._element).on(EVENT_POINTERDOWN, event => start(event))
+      $(this._element).on(EVENT_POINTERUP, event => end(event))
+
+      this._element.classList.add(CLASS_NAME_POINTER_EVENT)
+    } else {
+      $(this._element).on(EVENT_TOUCHSTART, event => start(event))
+      $(this._element).on(EVENT_TOUCHMOVE, event => move(event))
+      $(this._element).on(EVENT_TOUCHEND, event => end(event))
+    }
+  }
+
+  _keydown(event) {
+    if (/input|textarea/i.test(event.target.tagName)) {
+      return
+    }
+
+    switch (event.which) {
+      case ARROW_LEFT_KEYCODE:
+        event.preventDefault()
+        this.prev()
+        break
+      case ARROW_RIGHT_KEYCODE:
+        event.preventDefault()
+        this.next()
+        break
+      default:
+    }
+  }
+
+  _getItemIndex(element) {
+    this._items = element && element.parentNode ?
+      [].slice.call(element.parentNode.querySelectorAll(SELECTOR_ITEM)) :
+      []
+    return this._items.indexOf(element)
+  }
+
+  _getItemByDirection(direction, activeElement) {
+    const isNextDirection = direction === DIRECTION_NEXT
+    const isPrevDirection = direction === DIRECTION_PREV
+    const activeIndex = this._getItemIndex(activeElement)
+    const lastItemIndex = this._items.length - 1
+    const isGoingToWrap = isPrevDirection && activeIndex === 0 ||
+                            isNextDirection && activeIndex === lastItemIndex
+
+    if (isGoingToWrap && !this._config.wrap) {
+      return activeElement
+    }
+
+    const delta = direction === DIRECTION_PREV ? -1 : 1
+    const itemIndex = (activeIndex + delta) % this._items.length
+
+    return itemIndex === -1 ?
+      this._items[this._items.length - 1] : this._items[itemIndex]
+  }
+
+  _triggerSlideEvent(relatedTarget, eventDirectionName) {
+    const targetIndex = this._getItemIndex(relatedTarget)
+    const fromIndex = this._getItemIndex(this._element.querySelector(SELECTOR_ACTIVE_ITEM))
+    const slideEvent = $.Event(EVENT_SLIDE, {
+      relatedTarget,
+      direction: eventDirectionName,
+      from: fromIndex,
+      to: targetIndex
+    })
+
+    $(this._element).trigger(slideEvent)
+
+    return slideEvent
+  }
+
+  _setActiveIndicatorElement(element) {
+    if (this._indicatorsElement) {
+      const indicators = [].slice.call(this._indicatorsElement.querySelectorAll(SELECTOR_ACTIVE))
+      $(indicators).removeClass(CLASS_NAME_ACTIVE)
+
+      const nextIndicator = this._indicatorsElement.children[
+        this._getItemIndex(element)
+      ]
+
+      if (nextIndicator) {
+        $(nextIndicator).addClass(CLASS_NAME_ACTIVE)
+      }
+    }
+  }
+
+  _updateInterval() {
+    const element = this._activeElement || this._element.querySelector(SELECTOR_ACTIVE_ITEM)
+
+    if (!element) {
+      return
+    }
+
+    const elementInterval = parseInt(element.getAttribute('data-interval'), 10)
+
+    if (elementInterval) {
+      this._config.defaultInterval = this._config.defaultInterval || this._config.interval
+      this._config.interval = elementInterval
+    } else {
+      this._config.interval = this._config.defaultInterval || this._config.interval
+    }
+  }
+
+  _slide(direction, element) {
+    const activeElement = this._element.querySelector(SELECTOR_ACTIVE_ITEM)
+    const activeElementIndex = this._getItemIndex(activeElement)
+    const nextElement = element || activeElement &&
+      this._getItemByDirection(direction, activeElement)
+    const nextElementIndex = this._getItemIndex(nextElement)
+    const isCycling = Boolean(this._interval)
+
+    let directionalClassName
+    let orderClassName
+    let eventDirectionName
+
+    if (direction === DIRECTION_NEXT) {
+      directionalClassName = CLASS_NAME_LEFT
+      orderClassName = CLASS_NAME_NEXT
+      eventDirectionName = DIRECTION_LEFT
+    } else {
+      directionalClassName = CLASS_NAME_RIGHT
+      orderClassName = CLASS_NAME_PREV
+      eventDirectionName = DIRECTION_RIGHT
+    }
+
+    if (nextElement && $(nextElement).hasClass(CLASS_NAME_ACTIVE)) {
+      this._isSliding = false
+      return
+    }
+
+    const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName)
+    if (slideEvent.isDefaultPrevented()) {
+      return
+    }
+
+    if (!activeElement || !nextElement) {
+      // Some weirdness is happening, so we bail
+      return
+    }
+
+    this._isSliding = true
+
+    if (isCycling) {
+      this.pause()
+    }
+
+    this._setActiveIndicatorElement(nextElement)
+    this._activeElement = nextElement
+
+    const slidEvent = $.Event(EVENT_SLID, {
+      relatedTarget: nextElement,
+      direction: eventDirectionName,
+      from: activeElementIndex,
+      to: nextElementIndex
+    })
+
+    if ($(this._element).hasClass(CLASS_NAME_SLIDE)) {
+      $(nextElement).addClass(orderClassName)
+
+      Util.reflow(nextElement)
+
+      $(activeElement).addClass(directionalClassName)
+      $(nextElement).addClass(directionalClassName)
+
+      const transitionDuration = Util.getTransitionDurationFromElement(activeElement)
+
+      $(activeElement)
+        .one(Util.TRANSITION_END, () => {
+          $(nextElement)
+            .removeClass(`${directionalClassName} ${orderClassName}`)
+            .addClass(CLASS_NAME_ACTIVE)
+
+          $(activeElement).removeClass(`${CLASS_NAME_ACTIVE} ${orderClassName} ${directionalClassName}`)
+
+          this._isSliding = false
+
+          setTimeout(() => $(this._element).trigger(slidEvent), 0)
+        })
+        .emulateTransitionEnd(transitionDuration)
+    } else {
+      $(activeElement).removeClass(CLASS_NAME_ACTIVE)
+      $(nextElement).addClass(CLASS_NAME_ACTIVE)
+
+      this._isSliding = false
+      $(this._element).trigger(slidEvent)
+    }
+
+    if (isCycling) {
+      this.cycle()
+    }
+  }
+
+  // Static
+  static _jQueryInterface(config) {
+    return this.each(function () {
+      let data = $(this).data(DATA_KEY)
+      let _config = {
+        ...Default,
+        ...$(this).data()
+      }
+
+      if (typeof config === 'object') {
+        _config = {
+          ..._config,
+          ...config
+        }
+      }
+
+      const action = typeof config === 'string' ? config : _config.slide
+
+      if (!data) {
+        data = new Carousel(this, _config)
+        $(this).data(DATA_KEY, data)
+      }
+
+      if (typeof config === 'number') {
+        data.to(config)
+      } else if (typeof action === 'string') {
+        if (typeof data[action] === 'undefined') {
+          throw new TypeError(`No method named "${action}"`)
+        }
+
+        data[action]()
+      } else if (_config.interval && _config.ride) {
+        data.pause()
+        data.cycle()
+      }
+    })
+  }
+
+  static _dataApiClickHandler(event) {
+    const selector = Util.getSelectorFromElement(this)
+
+    if (!selector) {
+      return
+    }
+
+    const target = $(selector)[0]
+
+    if (!target || !$(target).hasClass(CLASS_NAME_CAROUSEL)) {
+      return
+    }
+
+    const config = {
+      ...$(target).data(),
+      ...$(this).data()
+    }
+    const slideIndex = this.getAttribute('data-slide-to')
+
+    if (slideIndex) {
+      config.interval = false
+    }
+
+    Carousel._jQueryInterface.call($(target), config)
+
+    if (slideIndex) {
+      $(target).data(DATA_KEY).to(slideIndex)
+    }
+
+    event.preventDefault()
+  }
+}
+
+/**
+ * Data API implementation
+ */
+
+$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_SLIDE, Carousel._dataApiClickHandler)
+
+$(window).on(EVENT_LOAD_DATA_API, () => {
+  const carousels = [].slice.call(document.querySelectorAll(SELECTOR_DATA_RIDE))
+  for (let i = 0, len = carousels.length; i < len; i++) {
+    const $carousel = $(carousels[i])
+    Carousel._jQueryInterface.call($carousel, $carousel.data())
+  }
+})
+
+/**
+ * jQuery
+ */
+
+$.fn[NAME] = Carousel._jQueryInterface
+$.fn[NAME].Constructor = Carousel
+$.fn[NAME].noConflict = () => {
+  $.fn[NAME] = JQUERY_NO_CONFLICT
+  return Carousel._jQueryInterface
+}
+
+export default Carousel

theme/boost/amd/src/bootstrap/collapse.js

@@ -0,0 +1,380 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): collapse.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import $ from 'jquery'
+import Util from './util'
+
+/**
+ * Constants
+ */
+
+const NAME = 'collapse'
+const VERSION = '4.6.2'
+const DATA_KEY = 'bs.collapse'
+const EVENT_KEY = `.${DATA_KEY}`
+const DATA_API_KEY = '.data-api'
+const JQUERY_NO_CONFLICT = $.fn[NAME]
+
+const CLASS_NAME_SHOW = 'show'
+const CLASS_NAME_COLLAPSE = 'collapse'
+const CLASS_NAME_COLLAPSING = 'collapsing'
+const CLASS_NAME_COLLAPSED = 'collapsed'
+
+const DIMENSION_WIDTH = 'width'
+const DIMENSION_HEIGHT = 'height'
+
+const EVENT_SHOW = `show${EVENT_KEY}`
+const EVENT_SHOWN = `shown${EVENT_KEY}`
+const EVENT_HIDE = `hide${EVENT_KEY}`
+const EVENT_HIDDEN = `hidden${EVENT_KEY}`
+const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
+
+const SELECTOR_ACTIVES = '.show, .collapsing'
+const SELECTOR_DATA_TOGGLE = '[data-toggle="collapse"]'
+
+const Default = {
+  toggle: true,
+  parent: ''
+}
+
+const DefaultType = {
+  toggle: 'boolean',
+  parent: '(string|element)'
+}
+
+/**
+ * Class definition
+ */
+
+class Collapse {
+  constructor(element, config) {
+    this._isTransitioning = false
+    this._element = element
+    this._config = this._getConfig(config)
+    this._triggerArray = [].slice.call(document.querySelectorAll(
+      `[data-toggle="collapse"][href="#${element.id}"],` +
+      `[data-toggle="collapse"][data-target="#${element.id}"]`
+    ))
+
+    const toggleList = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))
+    for (let i = 0, len = toggleList.length; i < len; i++) {
+      const elem = toggleList[i]
+      const selector = Util.getSelectorFromElement(elem)
+      const filterElement = [].slice.call(document.querySelectorAll(selector))
+        .filter(foundElem => foundElem === element)
+
+      if (selector !== null && filterElement.length > 0) {
+        this._selector = selector
+        this._triggerArray.push(elem)
+      }
+    }
+
+    this._parent = this._config.parent ? this._getParent() : null
+
+    if (!this._config.parent) {
+      this._addAriaAndCollapsedClass(this._element, this._triggerArray)
+    }
+
+    if (this._config.toggle) {
+      this.toggle()
+    }
+  }
+
+  // Getters
+  static get VERSION() {
+    return VERSION
+  }
+
+  static get Default() {
+    return Default
+  }
+
+  // Public
+  toggle() {
+    if ($(this._element).hasClass(CLASS_NAME_SHOW)) {
+      this.hide()
+    } else {
+      this.show()
+    }
+  }
+
+  show() {
+    if (this._isTransitioning ||
+      $(this._element).hasClass(CLASS_NAME_SHOW)) {
+      return
+    }
+
+    let actives
+    let activesData
+
+    if (this._parent) {
+      actives = [].slice.call(this._parent.querySelectorAll(SELECTOR_ACTIVES))
+        .filter(elem => {
+          if (typeof this._config.parent === 'string') {
+            return elem.getAttribute('data-parent') === this._config.parent
+          }
+
+          return elem.classList.contains(CLASS_NAME_COLLAPSE)
+        })
+
+      if (actives.length === 0) {
+        actives = null
+      }
+    }
+
+    if (actives) {
+      activesData = $(actives).not(this._selector).data(DATA_KEY)
+      if (activesData && activesData._isTransitioning) {
+        return
+      }
+    }
+
+    const startEvent = $.Event(EVENT_SHOW)
+    $(this._element).trigger(startEvent)
+    if (startEvent.isDefaultPrevented()) {
+      return
+    }
+
+    if (actives) {
+      Collapse._jQueryInterface.call($(actives).not(this._selector), 'hide')
+      if (!activesData) {
+        $(actives).data(DATA_KEY, null)
+      }
+    }
+
+    const dimension = this._getDimension()
+
+    $(this._element)
+      .removeClass(CLASS_NAME_COLLAPSE)
+      .addClass(CLASS_NAME_COLLAPSING)
+
+    this._element.style[dimension] = 0
+
+    if (this._triggerArray.length) {
+      $(this._triggerArray)
+        .removeClass(CLASS_NAME_COLLAPSED)
+        .attr('aria-expanded', true)
+    }
+
+    this.setTransitioning(true)
+
+    const complete = () => {
+      $(this._element)
+        .removeClass(CLASS_NAME_COLLAPSING)
+        .addClass(`${CLASS_NAME_COLLAPSE} ${CLASS_NAME_SHOW}`)
+
+      this._element.style[dimension] = ''
+
+      this.setTransitioning(false)
+
+      $(this._element).trigger(EVENT_SHOWN)
+    }
+
+    const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)
+    const scrollSize = `scroll${capitalizedDimension}`
+    const transitionDuration = Util.getTransitionDurationFromElement(this._element)
+
+    $(this._element)
+      .one(Util.TRANSITION_END, complete)
+      .emulateTransitionEnd(transitionDuration)
+
+    this._element.style[dimension] = `${this._element[scrollSize]}px`
+  }
+
+  hide() {
+    if (this._isTransitioning ||
+      !$(this._element).hasClass(CLASS_NAME_SHOW)) {
+      return
+    }
+
+    const startEvent = $.Event(EVENT_HIDE)
+    $(this._element).trigger(startEvent)
+    if (startEvent.isDefaultPrevented()) {
+      return
+    }
+
+    const dimension = this._getDimension()
+
+    this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`
+
+    Util.reflow(this._element)
+
+    $(this._element)
+      .addClass(CLASS_NAME_COLLAPSING)
+      .removeClass(`${CLASS_NAME_COLLAPSE} ${CLASS_NAME_SHOW}`)
+
+    const triggerArrayLength = this._triggerArray.length
+    if (triggerArrayLength > 0) {
+      for (let i = 0; i < triggerArrayLength; i++) {
+        const trigger = this._triggerArray[i]
+        const selector = Util.getSelectorFromElement(trigger)
+
+        if (selector !== null) {
+          const $elem = $([].slice.call(document.querySelectorAll(selector)))
+          if (!$elem.hasClass(CLASS_NAME_SHOW)) {
+            $(trigger).addClass(CLASS_NAME_COLLAPSED)
+              .attr('aria-expanded', false)
+          }
+        }
+      }
+    }
+
+    this.setTransitioning(true)
+
+    const complete = () => {
+      this.setTransitioning(false)
+      $(this._element)
+        .removeClass(CLASS_NAME_COLLAPSING)
+        .addClass(CLASS_NAME_COLLAPSE)
+        .trigger(EVENT_HIDDEN)
+    }
+
+    this._element.style[dimension] = ''
+    const transitionDuration = Util.getTransitionDurationFromElement(this._element)
+
+    $(this._element)
+      .one(Util.TRANSITION_END, complete)
+      .emulateTransitionEnd(transitionDuration)
+  }
+
+  setTransitioning(isTransitioning) {
+    this._isTransitioning = isTransitioning
+  }
+
+  dispose() {
+    $.removeData(this._element, DATA_KEY)
+
+    this._config = null
+    this._parent = null
+    this._element = null
+    this._triggerArray = null
+    this._isTransitioning = null
+  }
+
+  // Private
+  _getConfig(config) {
+    config = {
+      ...Default,
+      ...config
+    }
+    config.toggle = Boolean(config.toggle) // Coerce string values
+    Util.typeCheckConfig(NAME, config, DefaultType)
+    return config
+  }
+
+  _getDimension() {
+    const hasWidth = $(this._element).hasClass(DIMENSION_WIDTH)
+    return hasWidth ? DIMENSION_WIDTH : DIMENSION_HEIGHT
+  }
+
+  _getParent() {
+    let parent
+
+    if (Util.isElement(this._config.parent)) {
+      parent = this._config.parent
+
+      // It's a jQuery object
+      if (typeof this._config.parent.jquery !== 'undefined') {
+        parent = this._config.parent[0]
+      }
+    } else {
+      parent = document.querySelector(this._config.parent)
+    }
+
+    const selector = `[data-toggle="collapse"][data-parent="${this._config.parent}"]`
+    const children = [].slice.call(parent.querySelectorAll(selector))
+
+    $(children).each((i, element) => {
+      this._addAriaAndCollapsedClass(
+        Collapse._getTargetFromElement(element),
+        [element]
+      )
+    })
+
+    return parent
+  }
+
+  _addAriaAndCollapsedClass(element, triggerArray) {
+    const isOpen = $(element).hasClass(CLASS_NAME_SHOW)
+
+    if (triggerArray.length) {
+      $(triggerArray)
+        .toggleClass(CLASS_NAME_COLLAPSED, !isOpen)
+        .attr('aria-expanded', isOpen)
+    }
+  }
+
+  // Static
+  static _getTargetFromElement(element) {
+    const selector = Util.getSelectorFromElement(element)
+    return selector ? document.querySelector(selector) : null
+  }
+
+  static _jQueryInterface(config) {
+    return this.each(function () {
+      const $element = $(this)
+      let data = $element.data(DATA_KEY)
+      const _config = {
+        ...Default,
+        ...$element.data(),
+        ...(typeof config === 'object' && config ? config : {})
+      }
+
+      if (!data && _config.toggle && typeof config === 'string' && /show|hide/.test(config)) {
+        _config.toggle = false
+      }
+
+      if (!data) {
+        data = new Collapse(this, _config)
+        $element.data(DATA_KEY, data)
+      }
+
+      if (typeof config === 'string') {
+        if (typeof data[config] === 'undefined') {
+          throw new TypeError(`No method named "${config}"`)
+        }
+
+        data[config]()
+      }
+    })
+  }
+}
+
+/**
+ * Data API implementation
+ */
+
+$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
+  // preventDefault only for <a> elements (which change the URL) not inside the collapsible element
+  if (event.currentTarget.tagName === 'A') {
+    event.preventDefault()
+  }
+
+  const $trigger = $(this)
+  const selector = Util.getSelectorFromElement(this)
+  const selectors = [].slice.call(document.querySelectorAll(selector))
+
+  $(selectors).each(function () {
+    const $target = $(this)
+    const data = $target.data(DATA_KEY)
+    const config = data ? 'toggle' : $trigger.data()
+    Collapse._jQueryInterface.call($target, config)
+  })
+})
+
+/**
+ * jQuery
+ */
+
+$.fn[NAME] = Collapse._jQueryInterface
+$.fn[NAME].Constructor = Collapse
+$.fn[NAME].noConflict = () => {
+  $.fn[NAME] = JQUERY_NO_CONFLICT
+  return Collapse._jQueryInterface
+}
+
+export default Collapse

theme/boost/amd/src/bootstrap/dropdown.js

@@ -0,0 +1,523 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): dropdown.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import $ from 'jquery'
+import Popper from 'core/popper'
+import Util from './util'
+
+/**
+ * Constants
+ */
+
+const NAME = 'dropdown'
+const VERSION = '4.6.2'
+const DATA_KEY = 'bs.dropdown'
+const EVENT_KEY = `.${DATA_KEY}`
+const DATA_API_KEY = '.data-api'
+const JQUERY_NO_CONFLICT = $.fn[NAME]
+const ESCAPE_KEYCODE = 27 // KeyboardEvent.which value for Escape (Esc) key
+const SPACE_KEYCODE = 32 // KeyboardEvent.which value for space key
+const TAB_KEYCODE = 9 // KeyboardEvent.which value for tab key
+const ARROW_UP_KEYCODE = 38 // KeyboardEvent.which value for up arrow key
+const ARROW_DOWN_KEYCODE = 40 // KeyboardEvent.which value for down arrow key
+const RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)
+const REGEXP_KEYDOWN = new RegExp(`${ARROW_UP_KEYCODE}|${ARROW_DOWN_KEYCODE}|${ESCAPE_KEYCODE}`)
+
+const CLASS_NAME_DISABLED = 'disabled'
+const CLASS_NAME_SHOW = 'show'
+const CLASS_NAME_DROPUP = 'dropup'
+const CLASS_NAME_DROPRIGHT = 'dropright'
+const CLASS_NAME_DROPLEFT = 'dropleft'
+const CLASS_NAME_MENURIGHT = 'dropdown-menu-right'
+const CLASS_NAME_POSITION_STATIC = 'position-static'
+
+const EVENT_HIDE = `hide${EVENT_KEY}`
+const EVENT_HIDDEN = `hidden${EVENT_KEY}`
+const EVENT_SHOW = `show${EVENT_KEY}`
+const EVENT_SHOWN = `shown${EVENT_KEY}`
+const EVENT_CLICK = `click${EVENT_KEY}`
+const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
+const EVENT_KEYDOWN_DATA_API = `keydown${EVENT_KEY}${DATA_API_KEY}`
+const EVENT_KEYUP_DATA_API = `keyup${EVENT_KEY}${DATA_API_KEY}`
+
+const SELECTOR_DATA_TOGGLE = '[data-toggle="dropdown"]'
+const SELECTOR_FORM_CHILD = '.dropdown form'
+const SELECTOR_MENU = '.dropdown-menu'
+const SELECTOR_NAVBAR_NAV = '.navbar-nav'
+const SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)'
+
+const PLACEMENT_TOP = 'top-start'
+const PLACEMENT_TOPEND = 'top-end'
+const PLACEMENT_BOTTOM = 'bottom-start'
+const PLACEMENT_BOTTOMEND = 'bottom-end'
+const PLACEMENT_RIGHT = 'right-start'
+const PLACEMENT_LEFT = 'left-start'
+
+const Default = {
+  offset: 0,
+  flip: true,
+  boundary: 'scrollParent',
+  reference: 'toggle',
+  display: 'dynamic',
+  popperConfig: null
+}
+
+const DefaultType = {
+  offset: '(number|string|function)',
+  flip: 'boolean',
+  boundary: '(string|element)',
+  reference: '(string|element)',
+  display: 'string',
+  popperConfig: '(null|object)'
+}
+
+/**
+ * Class definition
+ */
+
+class Dropdown {
+  constructor(element, config) {
+    this._element = element
+    this._popper = null
+    this._config = this._getConfig(config)
+    this._menu = this._getMenuElement()
+    this._inNavbar = this._detectNavbar()
+
+    this._addEventListeners()
+  }
+
+  // Getters
+  static get VERSION() {
+    return VERSION
+  }
+
+  static get Default() {
+    return Default
+  }
+
+  static get DefaultType() {
+    return DefaultType
+  }
+
+  // Public
+  toggle() {
+    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED)) {
+      return
+    }
+
+    const isActive = $(this._menu).hasClass(CLASS_NAME_SHOW)
+
+    Dropdown._clearMenus()
+
+    if (isActive) {
+      return
+    }
+
+    this.show(true)
+  }
+
+  show(usePopper = false) {
+    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED) || $(this._menu).hasClass(CLASS_NAME_SHOW)) {
+      return
+    }
+
+    const relatedTarget = {
+      relatedTarget: this._element
+    }
+    const showEvent = $.Event(EVENT_SHOW, relatedTarget)
+    const parent = Dropdown._getParentFromElement(this._element)
+
+    $(parent).trigger(showEvent)
+
+    if (showEvent.isDefaultPrevented()) {
+      return
+    }
+
+    // Totally disable Popper for Dropdowns in Navbar
+    if (!this._inNavbar && usePopper) {
+      // Check for Popper dependency
+      if (typeof Popper === 'undefined') {
+        throw new TypeError('Bootstrap\'s dropdowns require Popper (https://popper.js.org)')
+      }
+
+      let referenceElement = this._element
+
+      if (this._config.reference === 'parent') {
+        referenceElement = parent
+      } else if (Util.isElement(this._config.reference)) {
+        referenceElement = this._config.reference
+
+        // Check if it's jQuery element
+        if (typeof this._config.reference.jquery !== 'undefined') {
+          referenceElement = this._config.reference[0]
+        }
+      }
+
+      // If boundary is not `scrollParent`, then set position to `static`
+      // to allow the menu to "escape" the scroll parent's boundaries
+      // https://github.com/twbs/bootstrap/issues/24251
+      if (this._config.boundary !== 'scrollParent') {
+        $(parent).addClass(CLASS_NAME_POSITION_STATIC)
+      }
+
+      this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig())
+    }
+
+    // If this is a touch-enabled device we add extra
+    // empty mouseover listeners to the body's immediate children;
+    // only needed because of broken event delegation on iOS
+    // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+    if ('ontouchstart' in document.documentElement &&
+        $(parent).closest(SELECTOR_NAVBAR_NAV).length === 0) {
+      $(document.body).children().on('mouseover', null, $.noop)
+    }
+
+    this._element.focus()
+    this._element.setAttribute('aria-expanded', true)
+
+    $(this._menu).toggleClass(CLASS_NAME_SHOW)
+    $(parent)
+      .toggleClass(CLASS_NAME_SHOW)
+      .trigger($.Event(EVENT_SHOWN, relatedTarget))
+  }
+
+  hide() {
+    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED) || !$(this._menu).hasClass(CLASS_NAME_SHOW)) {
+      return
+    }
+
+    const relatedTarget = {
+      relatedTarget: this._element
+    }
+    const hideEvent = $.Event(EVENT_HIDE, relatedTarget)
+    const parent = Dropdown._getParentFromElement(this._element)
+
+    $(parent).trigger(hideEvent)
+
+    if (hideEvent.isDefaultPrevented()) {
+      return
+    }
+
+    if (this._popper) {
+      this._popper.destroy()
+    }
+
+    $(this._menu).toggleClass(CLASS_NAME_SHOW)
+    $(parent)
+      .toggleClass(CLASS_NAME_SHOW)
+      .trigger($.Event(EVENT_HIDDEN, relatedTarget))
+  }
+
+  dispose() {
+    $.removeData(this._element, DATA_KEY)
+    $(this._element).off(EVENT_KEY)
+    this._element = null
+    this._menu = null
+    if (this._popper !== null) {
+      this._popper.destroy()
+      this._popper = null
+    }
+  }
+
+  update() {
+    this._inNavbar = this._detectNavbar()
+    if (this._popper !== null) {
+      this._popper.scheduleUpdate()
+    }
+  }
+
+  // Private
+  _addEventListeners() {
+    $(this._element).on(EVENT_CLICK, event => {
+      event.preventDefault()
+      event.stopPropagation()
+      this.toggle()
+    })
+  }
+
+  _getConfig(config) {
+    config = {
+      ...this.constructor.Default,
+      ...$(this._element).data(),
+      ...config
+    }
+
+    Util.typeCheckConfig(
+      NAME,
+      config,
+      this.constructor.DefaultType
+    )
+
+    return config
+  }
+
+  _getMenuElement() {
+    if (!this._menu) {
+      const parent = Dropdown._getParentFromElement(this._element)
+
+      if (parent) {
+        this._menu = parent.querySelector(SELECTOR_MENU)
+      }
+    }
+
+    return this._menu
+  }
+
+  _getPlacement() {
+    const $parentDropdown = $(this._element.parentNode)
+    let placement = PLACEMENT_BOTTOM
+
+    // Handle dropup
+    if ($parentDropdown.hasClass(CLASS_NAME_DROPUP)) {
+      placement = $(this._menu).hasClass(CLASS_NAME_MENURIGHT) ?
+        PLACEMENT_TOPEND :
+        PLACEMENT_TOP
+    } else if ($parentDropdown.hasClass(CLASS_NAME_DROPRIGHT)) {
+      placement = PLACEMENT_RIGHT
+    } else if ($parentDropdown.hasClass(CLASS_NAME_DROPLEFT)) {
+      placement = PLACEMENT_LEFT
+    } else if ($(this._menu).hasClass(CLASS_NAME_MENURIGHT)) {
+      placement = PLACEMENT_BOTTOMEND
+    }
+
+    return placement
+  }
+
+  _detectNavbar() {
+    return $(this._element).closest('.navbar').length > 0
+  }
+
+  _getOffset() {
+    const offset = {}
+
+    if (typeof this._config.offset === 'function') {
+      offset.fn = data => {
+        data.offsets = {
+          ...data.offsets,
+          ...this._config.offset(data.offsets, this._element)
+        }
+
+        return data
+      }
+    } else {
+      offset.offset = this._config.offset
+    }
+
+    return offset
+  }
+
+  _getPopperConfig() {
+    const popperConfig = {
+      placement: this._getPlacement(),
+      modifiers: {
+        offset: this._getOffset(),
+        flip: {
+          enabled: this._config.flip
+        },
+        preventOverflow: {
+          boundariesElement: this._config.boundary
+        }
+      }
+    }
+
+    // Disable Popper if we have a static display
+    if (this._config.display === 'static') {
+      popperConfig.modifiers.applyStyle = {
+        enabled: false
+      }
+    }
+
+    return {
+      ...popperConfig,
+      ...this._config.popperConfig
+    }
+  }
+
+  // Static
+  static _jQueryInterface(config) {
+    return this.each(function () {
+      let data = $(this).data(DATA_KEY)
+      const _config = typeof config === 'object' ? config : null
+
+      if (!data) {
+        data = new Dropdown(this, _config)
+        $(this).data(DATA_KEY, data)
+      }
+
+      if (typeof config === 'string') {
+        if (typeof data[config] === 'undefined') {
+          throw new TypeError(`No method named "${config}"`)
+        }
+
+        data[config]()
+      }
+    })
+  }
+
+  static _clearMenus(event) {
+    if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH ||
+      event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
+      return
+    }
+
+    const toggles = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))
+
+    for (let i = 0, len = toggles.length; i < len; i++) {
+      const parent = Dropdown._getParentFromElement(toggles[i])
+      const context = $(toggles[i]).data(DATA_KEY)
+      const relatedTarget = {
+        relatedTarget: toggles[i]
+      }
+
+      if (event && event.type === 'click') {
+        relatedTarget.clickEvent = event
+      }
+
+      if (!context) {
+        continue
+      }
+
+      const dropdownMenu = context._menu
+      if (!$(parent).hasClass(CLASS_NAME_SHOW)) {
+        continue
+      }
+
+      if (event && (event.type === 'click' &&
+          /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) &&
+          $.contains(parent, event.target)) {
+        continue
+      }
+
+      const hideEvent = $.Event(EVENT_HIDE, relatedTarget)
+      $(parent).trigger(hideEvent)
+      if (hideEvent.isDefaultPrevented()) {
+        continue
+      }
+
+      // If this is a touch-enabled device we remove the extra
+      // empty mouseover listeners we added for iOS support
+      if ('ontouchstart' in document.documentElement) {
+        $(document.body).children().off('mouseover', null, $.noop)
+      }
+
+      toggles[i].setAttribute('aria-expanded', 'false')
+
+      if (context._popper) {
+        context._popper.destroy()
+      }
+
+      $(dropdownMenu).removeClass(CLASS_NAME_SHOW)
+      $(parent)
+        .removeClass(CLASS_NAME_SHOW)
+        .trigger($.Event(EVENT_HIDDEN, relatedTarget))
+    }
+  }
+
+  static _getParentFromElement(element) {
+    let parent
+    const selector = Util.getSelectorFromElement(element)
+
+    if (selector) {
+      parent = document.querySelector(selector)
+    }
+
+    return parent || element.parentNode
+  }
+
+  // eslint-disable-next-line complexity
+  static _dataApiKeydownHandler(event) {
+    // If not input/textarea:
+    //  - And not a key in REGEXP_KEYDOWN => not a dropdown command
+    // If input/textarea:
+    //  - If space key => not a dropdown command
+    //  - If key is other than escape
+    //    - If key is not up or down => not a dropdown command
+    //    - If trigger inside the menu => not a dropdown command
+    if (/input|textarea/i.test(event.target.tagName) ?
+      event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE &&
+      (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE ||
+        $(event.target).closest(SELECTOR_MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {
+      return
+    }
+
+    if (this.disabled || $(this).hasClass(CLASS_NAME_DISABLED)) {
+      return
+    }
+
+    const parent = Dropdown._getParentFromElement(this)
+    const isActive = $(parent).hasClass(CLASS_NAME_SHOW)
+
+    if (!isActive && event.which === ESCAPE_KEYCODE) {
+      return
+    }
+
+    event.preventDefault()
+    event.stopPropagation()
+
+    if (!isActive || (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
+      if (event.which === ESCAPE_KEYCODE) {
+        $(parent.querySelector(SELECTOR_DATA_TOGGLE)).trigger('focus')
+      }
+
+      $(this).trigger('click')
+      return
+    }
+
+    const items = [].slice.call(parent.querySelectorAll(SELECTOR_VISIBLE_ITEMS))
+      .filter(item => $(item).is(':visible'))
+
+    if (items.length === 0) {
+      return
+    }
+
+    let index = items.indexOf(event.target)
+
+    if (event.which === ARROW_UP_KEYCODE && index > 0) { // Up
+      index--
+    }
+
+    if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { // Down
+      index++
+    }
+
+    if (index < 0) {
+      index = 0
+    }
+
+    items[index].focus()
+  }
+}
+
+/**
+ * Data API implementation
+ */
+
+$(document)
+  .on(EVENT_KEYDOWN_DATA_API, SELECTOR_DATA_TOGGLE, Dropdown._dataApiKeydownHandler)
+  .on(EVENT_KEYDOWN_DATA_API, SELECTOR_MENU, Dropdown._dataApiKeydownHandler)
+  .on(`${EVENT_CLICK_DATA_API} ${EVENT_KEYUP_DATA_API}`, Dropdown._clearMenus)
+  .on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
+    event.preventDefault()
+    event.stopPropagation()
+    Dropdown._jQueryInterface.call($(this), 'toggle')
+  })
+  .on(EVENT_CLICK_DATA_API, SELECTOR_FORM_CHILD, e => {
+    e.stopPropagation()
+  })
+
+/**
+ * jQuery
+ */
+
+$.fn[NAME] = Dropdown._jQueryInterface
+$.fn[NAME].Constructor = Dropdown
+$.fn[NAME].noConflict = () => {
+  $.fn[NAME] = JQUERY_NO_CONFLICT
+  return Dropdown._jQueryInterface
+}
+
+export default Dropdown

theme/boost/amd/src/bootstrap/modal.js

@@ -0,0 +1,617 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): modal.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import $ from 'jquery'
+import Util from './util'
+
+/**
+ * Constants
+ */
+
+const NAME = 'modal'
+const VERSION = '4.6.2'
+const DATA_KEY = 'bs.modal'
+const EVENT_KEY = `.${DATA_KEY}`
+const DATA_API_KEY = '.data-api'
+const JQUERY_NO_CONFLICT = $.fn[NAME]
+const ESCAPE_KEYCODE = 27 // KeyboardEvent.which value for Escape (Esc) key
+
+const CLASS_NAME_SCROLLABLE = 'modal-dialog-scrollable'
+const CLASS_NAME_SCROLLBAR_MEASURER = 'modal-scrollbar-measure'
+const CLASS_NAME_BACKDROP = 'modal-backdrop'
+const CLASS_NAME_OPEN = 'modal-open'
+const CLASS_NAME_FADE = 'fade'
+const CLASS_NAME_SHOW = 'show'
+const CLASS_NAME_STATIC = 'modal-static'
+
+const EVENT_HIDE = `hide${EVENT_KEY}`
+const EVENT_HIDE_PREVENTED = `hidePrevented${EVENT_KEY}`
+const EVENT_HIDDEN = `hidden${EVENT_KEY}`
+const EVENT_SHOW = `show${EVENT_KEY}`
+const EVENT_SHOWN = `shown${EVENT_KEY}`
+const EVENT_FOCUSIN = `focusin${EVENT_KEY}`
+const EVENT_RESIZE = `resize${EVENT_KEY}`
+const EVENT_CLICK_DISMISS = `click.dismiss${EVENT_KEY}`
+const EVENT_KEYDOWN_DISMISS = `keydown.dismiss${EVENT_KEY}`
+const EVENT_MOUSEUP_DISMISS = `mouseup.dismiss${EVENT_KEY}`
+const EVENT_MOUSEDOWN_DISMISS = `mousedown.dismiss${EVENT_KEY}`
+const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
+
+const SELECTOR_DIALOG = '.modal-dialog'
+const SELECTOR_MODAL_BODY = '.modal-body'
+const SELECTOR_DATA_TOGGLE = '[data-toggle="modal"]'
+const SELECTOR_DATA_DISMISS = '[data-dismiss="modal"]'
+const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'
+const SELECTOR_STICKY_CONTENT = '.sticky-top'
+
+const Default = {
+  backdrop: true,
+  keyboard: true,
+  focus: true,
+  show: true
+}
+
+const DefaultType = {
+  backdrop: '(boolean|string)',
+  keyboard: 'boolean',
+  focus: 'boolean',
+  show: 'boolean'
+}
+
+/**
+ * Class definition
+ */
+
+class Modal {
+  constructor(element, config) {
+    this._config = this._getConfig(config)
+    this._element = element
+    this._dialog = element.querySelector(SELECTOR_DIALOG)
+    this._backdrop = null
+    this._isShown = false
+    this._isBodyOverflowing = false
+    this._ignoreBackdropClick = false
+    this._isTransitioning = false
+    this._scrollbarWidth = 0
+  }
+
+  // Getters
+  static get VERSION() {
+    return VERSION
+  }
+
+  static get Default() {
+    return Default
+  }
+
+  // Public
+  toggle(relatedTarget) {
+    return this._isShown ? this.hide() : this.show(relatedTarget)
+  }
+
+  show(relatedTarget) {
+    if (this._isShown || this._isTransitioning) {
+      return
+    }
+
+    const showEvent = $.Event(EVENT_SHOW, {
+      relatedTarget
+    })
+
+    $(this._element).trigger(showEvent)
+
+    if (showEvent.isDefaultPrevented()) {
+      return
+    }
+
+    this._isShown = true
+
+    if ($(this._element).hasClass(CLASS_NAME_FADE)) {
+      this._isTransitioning = true
+    }
+
+    this._checkScrollbar()
+    this._setScrollbar()
+
+    this._adjustDialog()
+
+    this._setEscapeEvent()
+    this._setResizeEvent()
+
+    $(this._element).on(
+      EVENT_CLICK_DISMISS,
+      SELECTOR_DATA_DISMISS,
+      event => this.hide(event)
+    )
+
+    $(this._dialog).on(EVENT_MOUSEDOWN_DISMISS, () => {
+      $(this._element).one(EVENT_MOUSEUP_DISMISS, event => {
+        if ($(event.target).is(this._element)) {
+          this._ignoreBackdropClick = true
+        }
+      })
+    })
+
+    this._showBackdrop(() => this._showElement(relatedTarget))
+  }
+
+  hide(event) {
+    if (event) {
+      event.preventDefault()
+    }
+
+    if (!this._isShown || this._isTransitioning) {
+      return
+    }
+
+    const hideEvent = $.Event(EVENT_HIDE)
+
+    $(this._element).trigger(hideEvent)
+
+    if (!this._isShown || hideEvent.isDefaultPrevented()) {
+      return
+    }
+
+    this._isShown = false
+    const transition = $(this._element).hasClass(CLASS_NAME_FADE)
+
+    if (transition) {
+      this._isTransitioning = true
+    }
+
+    this._setEscapeEvent()
+    this._setResizeEvent()
+
+    $(document).off(EVENT_FOCUSIN)
+
+    $(this._element).removeClass(CLASS_NAME_SHOW)
+
+    $(this._element).off(EVENT_CLICK_DISMISS)
+    $(this._dialog).off(EVENT_MOUSEDOWN_DISMISS)
+
+    if (transition) {
+      const transitionDuration = Util.getTransitionDurationFromElement(this._element)
+
+      $(this._element)
+        .one(Util.TRANSITION_END, event => this._hideModal(event))
+        .emulateTransitionEnd(transitionDuration)
+    } else {
+      this._hideModal()
+    }
+  }
+
+  dispose() {
+    [window, this._element, this._dialog]
+      .forEach(htmlElement => $(htmlElement).off(EVENT_KEY))
+
+    /**
+     * `document` has 2 events `EVENT_FOCUSIN` and `EVENT_CLICK_DATA_API`
+     * Do not move `document` in `htmlElements` array
+     * It will remove `EVENT_CLICK_DATA_API` event that should remain
+     */
+    $(document).off(EVENT_FOCUSIN)
+
+    $.removeData(this._element, DATA_KEY)
+
+    this._config = null
+    this._element = null
+    this._dialog = null
+    this._backdrop = null
+    this._isShown = null
+    this._isBodyOverflowing = null
+    this._ignoreBackdropClick = null
+    this._isTransitioning = null
+    this._scrollbarWidth = null
+  }
+
+  handleUpdate() {
+    this._adjustDialog()
+  }
+
+  // Private
+  _getConfig(config) {
+    config = {
+      ...Default,
+      ...config
+    }
+    Util.typeCheckConfig(NAME, config, DefaultType)
+    return config
+  }
+
+  _triggerBackdropTransition() {
+    const hideEventPrevented = $.Event(EVENT_HIDE_PREVENTED)
+
+    $(this._element).trigger(hideEventPrevented)
+    if (hideEventPrevented.isDefaultPrevented()) {
+      return
+    }
+
+    const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight
+
+    if (!isModalOverflowing) {
+      this._element.style.overflowY = 'hidden'
+    }
+
+    this._element.classList.add(CLASS_NAME_STATIC)
+
+    const modalTransitionDuration = Util.getTransitionDurationFromElement(this._dialog)
+    $(this._element).off(Util.TRANSITION_END)
+
+    $(this._element).one(Util.TRANSITION_END, () => {
+      this._element.classList.remove(CLASS_NAME_STATIC)
+      if (!isModalOverflowing) {
+        $(this._element).one(Util.TRANSITION_END, () => {
+          this._element.style.overflowY = ''
+        })
+          .emulateTransitionEnd(this._element, modalTransitionDuration)
+      }
+    })
+      .emulateTransitionEnd(modalTransitionDuration)
+    this._element.focus()
+  }
+
+  _showElement(relatedTarget) {
+    const transition = $(this._element).hasClass(CLASS_NAME_FADE)
+    const modalBody = this._dialog ? this._dialog.querySelector(SELECTOR_MODAL_BODY) : null
+
+    if (!this._element.parentNode ||
+        this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
+      // Don't move modal's DOM position
+      document.body.appendChild(this._element)
+    }
+
+    this._element.style.display = 'block'
+    this._element.removeAttribute('aria-hidden')
+    this._element.setAttribute('aria-modal', true)
+    this._element.setAttribute('role', 'dialog')
+
+    if ($(this._dialog).hasClass(CLASS_NAME_SCROLLABLE) && modalBody) {
+      modalBody.scrollTop = 0
+    } else {
+      this._element.scrollTop = 0
+    }
+
+    if (transition) {
+      Util.reflow(this._element)
+    }
+
+    $(this._element).addClass(CLASS_NAME_SHOW)
+
+    if (this._config.focus) {
+      this._enforceFocus()
+    }
+
+    const shownEvent = $.Event(EVENT_SHOWN, {
+      relatedTarget
+    })
+
+    const transitionComplete = () => {
+      if (this._config.focus) {
+        this._element.focus()
+      }
+
+      this._isTransitioning = false
+      $(this._element).trigger(shownEvent)
+    }
+
+    if (transition) {
+      const transitionDuration = Util.getTransitionDurationFromElement(this._dialog)
+
+      $(this._dialog)
+        .one(Util.TRANSITION_END, transitionComplete)
+        .emulateTransitionEnd(transitionDuration)
+    } else {
+      transitionComplete()
+    }
+  }
+
+  _enforceFocus() {
+    $(document)
+      .off(EVENT_FOCUSIN) // Guard against infinite focus loop
+      .on(EVENT_FOCUSIN, event => {
+        if (document !== event.target &&
+            this._element !== event.target &&
+            $(this._element).has(event.target).length === 0) {
+          this._element.focus()
+        }
+      })
+  }
+
+  _setEscapeEvent() {
+    if (this._isShown) {
+      $(this._element).on(EVENT_KEYDOWN_DISMISS, event => {
+        if (this._config.keyboard && event.which === ESCAPE_KEYCODE) {
+          event.preventDefault()
+          this.hide()
+        } else if (!this._config.keyboard && event.which === ESCAPE_KEYCODE) {
+          this._triggerBackdropTransition()
+        }
+      })
+    } else if (!this._isShown) {
+      $(this._element).off(EVENT_KEYDOWN_DISMISS)
+    }
+  }
+
+  _setResizeEvent() {
+    if (this._isShown) {
+      $(window).on(EVENT_RESIZE, event => this.handleUpdate(event))
+    } else {
+      $(window).off(EVENT_RESIZE)
+    }
+  }
+
+  _hideModal() {
+    this._element.style.display = 'none'
+    this._element.setAttribute('aria-hidden', true)
+    this._element.removeAttribute('aria-modal')
+    this._element.removeAttribute('role')
+    this._isTransitioning = false
+    this._showBackdrop(() => {
+      $(document.body).removeClass(CLASS_NAME_OPEN)
+      this._resetAdjustments()
+      this._resetScrollbar()
+      $(this._element).trigger(EVENT_HIDDEN)
+    })
+  }
+
+  _removeBackdrop() {
+    if (this._backdrop) {
+      $(this._backdrop).remove()
+      this._backdrop = null
+    }
+  }
+
+  _showBackdrop(callback) {
+    const animate = $(this._element).hasClass(CLASS_NAME_FADE) ?
+      CLASS_NAME_FADE : ''
+
+    if (this._isShown && this._config.backdrop) {
+      this._backdrop = document.createElement('div')
+      this._backdrop.className = CLASS_NAME_BACKDROP
+
+      if (animate) {
+        this._backdrop.classList.add(animate)
+      }
+
+      $(this._backdrop).appendTo(document.body)
+
+      $(this._element).on(EVENT_CLICK_DISMISS, event => {
+        if (this._ignoreBackdropClick) {
+          this._ignoreBackdropClick = false
+          return
+        }
+
+        if (event.target !== event.currentTarget) {
+          return
+        }
+
+        if (this._config.backdrop === 'static') {
+          this._triggerBackdropTransition()
+        } else {
+          this.hide()
+        }
+      })
+
+      if (animate) {
+        Util.reflow(this._backdrop)
+      }
+
+      $(this._backdrop).addClass(CLASS_NAME_SHOW)
+
+      if (!callback) {
+        return
+      }
+
+      if (!animate) {
+        callback()
+        return
+      }
+
+      const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)
+
+      $(this._backdrop)
+        .one(Util.TRANSITION_END, callback)
+        .emulateTransitionEnd(backdropTransitionDuration)
+    } else if (!this._isShown && this._backdrop) {
+      $(this._backdrop).removeClass(CLASS_NAME_SHOW)
+
+      const callbackRemove = () => {
+        this._removeBackdrop()
+        if (callback) {
+          callback()
+        }
+      }
+
+      if ($(this._element).hasClass(CLASS_NAME_FADE)) {
+        const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)
+
+        $(this._backdrop)
+          .one(Util.TRANSITION_END, callbackRemove)
+          .emulateTransitionEnd(backdropTransitionDuration)
+      } else {
+        callbackRemove()
+      }
+    } else if (callback) {
+      callback()
+    }
+  }
+
+  // ----------------------------------------------------------------------
+  // the following methods are used to handle overflowing modals
+  // todo (fat): these should probably be refactored out of modal.js
+  // ----------------------------------------------------------------------
+
+  _adjustDialog() {
+    const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight
+
+    if (!this._isBodyOverflowing && isModalOverflowing) {
+      this._element.style.paddingLeft = `${this._scrollbarWidth}px`
+    }
+
+    if (this._isBodyOverflowing && !isModalOverflowing) {
+      this._element.style.paddingRight = `${this._scrollbarWidth}px`
+    }
+  }
+
+  _resetAdjustments() {
+    this._element.style.paddingLeft = ''
+    this._element.style.paddingRight = ''
+  }
+
+  _checkScrollbar() {
+    const rect = document.body.getBoundingClientRect()
+    this._isBodyOverflowing = Math.round(rect.left + rect.right) < window.innerWidth
+    this._scrollbarWidth = this._getScrollbarWidth()
+  }
+
+  _setScrollbar() {
+    if (this._isBodyOverflowing) {
+      // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
+      //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
+      const fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT))
+      const stickyContent = [].slice.call(document.querySelectorAll(SELECTOR_STICKY_CONTENT))
+
+      // Adjust fixed content padding
+      $(fixedContent).each((index, element) => {
+        const actualPadding = element.style.paddingRight
+        const calculatedPadding = $(element).css('padding-right')
+        $(element)
+          .data('padding-right', actualPadding)
+          .css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)
+      })
+
+      // Adjust sticky content margin
+      $(stickyContent).each((index, element) => {
+        const actualMargin = element.style.marginRight
+        const calculatedMargin = $(element).css('margin-right')
+        $(element)
+          .data('margin-right', actualMargin)
+          .css('margin-right', `${parseFloat(calculatedMargin) - this._scrollbarWidth}px`)
+      })
+
+      // Adjust body padding
+      const actualPadding = document.body.style.paddingRight
+      const calculatedPadding = $(document.body).css('padding-right')
+      $(document.body)
+        .data('padding-right', actualPadding)
+        .css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)
+    }
+
+    $(document.body).addClass(CLASS_NAME_OPEN)
+  }
+
+  _resetScrollbar() {
+    // Restore fixed content padding
+    const fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT))
+    $(fixedContent).each((index, element) => {
+      const padding = $(element).data('padding-right')
+      $(element).removeData('padding-right')
+      element.style.paddingRight = padding ? padding : ''
+    })
+
+    // Restore sticky content
+    const elements = [].slice.call(document.querySelectorAll(`${SELECTOR_STICKY_CONTENT}`))
+    $(elements).each((index, element) => {
+      const margin = $(element).data('margin-right')
+      if (typeof margin !== 'undefined') {
+        $(element).css('margin-right', margin).removeData('margin-right')
+      }
+    })
+
+    // Restore body padding
+    const padding = $(document.body).data('padding-right')
+    $(document.body).removeData('padding-right')
+    document.body.style.paddingRight = padding ? padding : ''
+  }
+
+  _getScrollbarWidth() { // thx d.walsh
+    const scrollDiv = document.createElement('div')
+    scrollDiv.className = CLASS_NAME_SCROLLBAR_MEASURER
+    document.body.appendChild(scrollDiv)
+    const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth
+    document.body.removeChild(scrollDiv)
+    return scrollbarWidth
+  }
+
+  // Static
+  static _jQueryInterface(config, relatedTarget) {
+    return this.each(function () {
+      let data = $(this).data(DATA_KEY)
+      const _config = {
+        ...Default,
+        ...$(this).data(),
+        ...(typeof config === 'object' && config ? config : {})
+      }
+
+      if (!data) {
+        data = new Modal(this, _config)
+        $(this).data(DATA_KEY, data)
+      }
+
+      if (typeof config === 'string') {
+        if (typeof data[config] === 'undefined') {
+          throw new TypeError(`No method named "${config}"`)
+        }
+
+        data[config](relatedTarget)
+      } else if (_config.show) {
+        data.show(relatedTarget)
+      }
+    })
+  }
+}
+
+/**
+ * Data API implementation
+ */
+
+$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
+  let target
+  const selector = Util.getSelectorFromElement(this)
+
+  if (selector) {
+    target = document.querySelector(selector)
+  }
+
+  const config = $(target).data(DATA_KEY) ?
+    'toggle' : {
+      ...$(target).data(),
+      ...$(this).data()
+    }
+
+  if (this.tagName === 'A' || this.tagName === 'AREA') {
+    event.preventDefault()
+  }
+
+  const $target = $(target).one(EVENT_SHOW, showEvent => {
+    if (showEvent.isDefaultPrevented()) {
+      // Only register focus restorer if modal will actually get shown
+      return
+    }
+
+    $target.one(EVENT_HIDDEN, () => {
+      if ($(this).is(':visible')) {
+        this.focus()
+      }
+    })
+  })
+
+  Modal._jQueryInterface.call($(target), config, this)
+})
+
+/**
+ * jQuery
+ */
+
+$.fn[NAME] = Modal._jQueryInterface
+$.fn[NAME].Constructor = Modal
+$.fn[NAME].noConflict = () => {
+  $.fn[NAME] = JQUERY_NO_CONFLICT
+  return Modal._jQueryInterface
+}
+
+export default Modal

theme/boost/amd/src/bootstrap/popover.js

@@ -0,0 +1,172 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): popover.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import $ from 'jquery'
+import Tooltip from './tooltip'
+
+/**
+ * Constants
+ */
+
+const NAME = 'popover'
+const VERSION = '4.6.2'
+const DATA_KEY = 'bs.popover'
+const EVENT_KEY = `.${DATA_KEY}`
+const JQUERY_NO_CONFLICT = $.fn[NAME]
+const CLASS_PREFIX = 'bs-popover'
+const BSCLS_PREFIX_REGEX = new RegExp(`(^|\\s)${CLASS_PREFIX}\\S+`, 'g')
+
+const CLASS_NAME_FADE = 'fade'
+const CLASS_NAME_SHOW = 'show'
+
+const SELECTOR_TITLE = '.popover-header'
+const SELECTOR_CONTENT = '.popover-body'
+
+const Default = {
+  ...Tooltip.Default,
+  placement: 'right',
+  trigger: 'click',
+  content: '',
+  template: '<div class="popover" role="tooltip">' +
+              '<div class="arrow"></div>' +
+              '<h3 class="popover-header"></h3>' +
+              '<div class="popover-body"></div></div>'
+}
+
+const DefaultType = {
+  ...Tooltip.DefaultType,
+  content: '(string|element|function)'
+}
+
+const Event = {
+  HIDE: `hide${EVENT_KEY}`,
+  HIDDEN: `hidden${EVENT_KEY}`,
+  SHOW: `show${EVENT_KEY}`,
+  SHOWN: `shown${EVENT_KEY}`,
+  INSERTED: `inserted${EVENT_KEY}`,
+  CLICK: `click${EVENT_KEY}`,
+  FOCUSIN: `focusin${EVENT_KEY}`,
+  FOCUSOUT: `focusout${EVENT_KEY}`,
+  MOUSEENTER: `mouseenter${EVENT_KEY}`,
+  MOUSELEAVE: `mouseleave${EVENT_KEY}`
+}
+
+/**
+ * Class definition
+ */
+
+class Popover extends Tooltip {
+  // Getters
+  static get VERSION() {
+    return VERSION
+  }
+
+  static get Default() {
+    return Default
+  }
+
+  static get NAME() {
+    return NAME
+  }
+
+  static get DATA_KEY() {
+    return DATA_KEY
+  }
+
+  static get Event() {
+    return Event
+  }
+
+  static get EVENT_KEY() {
+    return EVENT_KEY
+  }
+
+  static get DefaultType() {
+    return DefaultType
+  }
+
+  // Overrides
+  isWithContent() {
+    return this.getTitle() || this._getContent()
+  }
+
+  addAttachmentClass(attachment) {
+    $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)
+  }
+
+  getTipElement() {
+    this.tip = this.tip || $(this.config.template)[0]
+    return this.tip
+  }
+
+  setContent() {
+    const $tip = $(this.getTipElement())
+
+    // We use append for html objects to maintain js events
+    this.setElementContent($tip.find(SELECTOR_TITLE), this.getTitle())
+    let content = this._getContent()
+    if (typeof content === 'function') {
+      content = content.call(this.element)
+    }
+
+    this.setElementContent($tip.find(SELECTOR_CONTENT), content)
+
+    $tip.removeClass(`${CLASS_NAME_FADE} ${CLASS_NAME_SHOW}`)
+  }
+
+  // Private
+  _getContent() {
+    return this.element.getAttribute('data-content') ||
+      this.config.content
+  }
+
+  _cleanTipClass() {
+    const $tip = $(this.getTipElement())
+    const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)
+    if (tabClass !== null && tabClass.length > 0) {
+      $tip.removeClass(tabClass.join(''))
+    }
+  }
+
+  // Static
+  static _jQueryInterface(config) {
+    return this.each(function () {
+      let data = $(this).data(DATA_KEY)
+      const _config = typeof config === 'object' ? config : null
+
+      if (!data && /dispose|hide/.test(config)) {
+        return
+      }
+
+      if (!data) {
+        data = new Popover(this, _config)
+        $(this).data(DATA_KEY, data)
+      }
+
+      if (typeof config === 'string') {
+        if (typeof data[config] === 'undefined') {
+          throw new TypeError(`No method named "${config}"`)
+        }
+
+        data[config]()
+      }
+    })
+  }
+}
+
+/**
+ * jQuery
+ */
+
+$.fn[NAME] = Popover._jQueryInterface
+$.fn[NAME].Constructor = Popover
+$.fn[NAME].noConflict = () => {
+  $.fn[NAME] = JQUERY_NO_CONFLICT
+  return Popover._jQueryInterface
+}
+
+export default Popover

theme/boost/amd/src/bootstrap/scrollspy.js

@@ -0,0 +1,312 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): scrollspy.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import $ from 'jquery'
+import Util from './util'
+
+/**
+ * Constants
+ */
+
+const NAME = 'scrollspy'
+const VERSION = '4.6.2'
+const DATA_KEY = 'bs.scrollspy'
+const EVENT_KEY = `.${DATA_KEY}`
+const DATA_API_KEY = '.data-api'
+const JQUERY_NO_CONFLICT = $.fn[NAME]
+
+const CLASS_NAME_DROPDOWN_ITEM = 'dropdown-item'
+const CLASS_NAME_ACTIVE = 'active'
+
+const EVENT_ACTIVATE = `activate${EVENT_KEY}`
+const EVENT_SCROLL = `scroll${EVENT_KEY}`
+const EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`
+
+const METHOD_OFFSET = 'offset'
+const METHOD_POSITION = 'position'
+
+const SELECTOR_DATA_SPY = '[data-spy="scroll"]'
+const SELECTOR_NAV_LIST_GROUP = '.nav, .list-group'
+const SELECTOR_NAV_LINKS = '.nav-link'
+const SELECTOR_NAV_ITEMS = '.nav-item'
+const SELECTOR_LIST_ITEMS = '.list-group-item'
+const SELECTOR_DROPDOWN = '.dropdown'
+const SELECTOR_DROPDOWN_ITEMS = '.dropdown-item'
+const SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle'
+
+const Default = {
+  offset: 10,
+  method: 'auto',
+  target: ''
+}
+
+const DefaultType = {
+  offset: 'number',
+  method: 'string',
+  target: '(string|element)'
+}
+
+/**
+ * Class definition
+ */
+
+class ScrollSpy {
+  constructor(element, config) {
+    this._element = element
+    this._scrollElement = element.tagName === 'BODY' ? window : element
+    this._config = this._getConfig(config)
+    this._selector = `${this._config.target} ${SELECTOR_NAV_LINKS},` +
+                          `${this._config.target} ${SELECTOR_LIST_ITEMS},` +
+                          `${this._config.target} ${SELECTOR_DROPDOWN_ITEMS}`
+    this._offsets = []
+    this._targets = []
+    this._activeTarget = null
+    this._scrollHeight = 0
+
+    $(this._scrollElement).on(EVENT_SCROLL, event => this._process(event))
+
+    this.refresh()
+    this._process()
+  }
+
+  // Getters
+  static get VERSION() {
+    return VERSION
+  }
+
+  static get Default() {
+    return Default
+  }
+
+  // Public
+  refresh() {
+    const autoMethod = this._scrollElement === this._scrollElement.window ?
+      METHOD_OFFSET : METHOD_POSITION
+
+    const offsetMethod = this._config.method === 'auto' ?
+      autoMethod : this._config.method
+
+    const offsetBase = offsetMethod === METHOD_POSITION ?
+      this._getScrollTop() : 0
+
+    this._offsets = []
+    this._targets = []
+
+    this._scrollHeight = this._getScrollHeight()
+
+    const targets = [].slice.call(document.querySelectorAll(this._selector))
+
+    targets
+      .map(element => {
+        let target
+        const targetSelector = Util.getSelectorFromElement(element)
+
+        if (targetSelector) {
+          target = document.querySelector(targetSelector)
+        }
+
+        if (target) {
+          const targetBCR = target.getBoundingClientRect()
+          if (targetBCR.width || targetBCR.height) {
+            // TODO (fat): remove sketch reliance on jQuery position/offset
+            return [
+              $(target)[offsetMethod]().top + offsetBase,
+              targetSelector
+            ]
+          }
+        }
+
+        return null
+      })
+      .filter(Boolean)
+      .sort((a, b) => a[0] - b[0])
+      .forEach(item => {
+        this._offsets.push(item[0])
+        this._targets.push(item[1])
+      })
+  }
+
+  dispose() {
+    $.removeData(this._element, DATA_KEY)
+    $(this._scrollElement).off(EVENT_KEY)
+
+    this._element = null
+    this._scrollElement = null
+    this._config = null
+    this._selector = null
+    this._offsets = null
+    this._targets = null
+    this._activeTarget = null
+    this._scrollHeight = null
+  }
+
+  // Private
+  _getConfig(config) {
+    config = {
+      ...Default,
+      ...(typeof config === 'object' && config ? config : {})
+    }
+
+    if (typeof config.target !== 'string' && Util.isElement(config.target)) {
+      let id = $(config.target).attr('id')
+      if (!id) {
+        id = Util.getUID(NAME)
+        $(config.target).attr('id', id)
+      }
+
+      config.target = `#${id}`
+    }
+
+    Util.typeCheckConfig(NAME, config, DefaultType)
+
+    return config
+  }
+
+  _getScrollTop() {
+    return this._scrollElement === window ?
+      this._scrollElement.pageYOffset : this._scrollElement.scrollTop
+  }
+
+  _getScrollHeight() {
+    return this._scrollElement.scrollHeight || Math.max(
+      document.body.scrollHeight,
+      document.documentElement.scrollHeight
+    )
+  }
+
+  _getOffsetHeight() {
+    return this._scrollElement === window ?
+      window.innerHeight : this._scrollElement.getBoundingClientRect().height
+  }
+
+  _process() {
+    const scrollTop = this._getScrollTop() + this._config.offset
+    const scrollHeight = this._getScrollHeight()
+    const maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight()
+
+    if (this._scrollHeight !== scrollHeight) {
+      this.refresh()
+    }
+
+    if (scrollTop >= maxScroll) {
+      const target = this._targets[this._targets.length - 1]
+
+      if (this._activeTarget !== target) {
+        this._activate(target)
+      }
+
+      return
+    }
+
+    if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
+      this._activeTarget = null
+      this._clear()
+      return
+    }
+
+    for (let i = this._offsets.length; i--;) {
+      const isActiveTarget = this._activeTarget !== this._targets[i] &&
+          scrollTop >= this._offsets[i] &&
+          (typeof this._offsets[i + 1] === 'undefined' ||
+              scrollTop < this._offsets[i + 1])
+
+      if (isActiveTarget) {
+        this._activate(this._targets[i])
+      }
+    }
+  }
+
+  _activate(target) {
+    this._activeTarget = target
+
+    this._clear()
+
+    const queries = this._selector
+      .split(',')
+      .map(selector => `${selector}[data-target="${target}"],${selector}[href="${target}"]`)
+
+    const $link = $([].slice.call(document.querySelectorAll(queries.join(','))))
+
+    if ($link.hasClass(CLASS_NAME_DROPDOWN_ITEM)) {
+      $link.closest(SELECTOR_DROPDOWN)
+        .find(SELECTOR_DROPDOWN_TOGGLE)
+        .addClass(CLASS_NAME_ACTIVE)
+      $link.addClass(CLASS_NAME_ACTIVE)
+    } else {
+      // Set triggered link as active
+      $link.addClass(CLASS_NAME_ACTIVE)
+      // Set triggered links parents as active
+      // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
+      $link.parents(SELECTOR_NAV_LIST_GROUP)
+        .prev(`${SELECTOR_NAV_LINKS}, ${SELECTOR_LIST_ITEMS}`)
+        .addClass(CLASS_NAME_ACTIVE)
+      // Handle special case when .nav-link is inside .nav-item
+      $link.parents(SELECTOR_NAV_LIST_GROUP)
+        .prev(SELECTOR_NAV_ITEMS)
+        .children(SELECTOR_NAV_LINKS)
+        .addClass(CLASS_NAME_ACTIVE)
+    }
+
+    $(this._scrollElement).trigger(EVENT_ACTIVATE, {
+      relatedTarget: target
+    })
+  }
+
+  _clear() {
+    [].slice.call(document.querySelectorAll(this._selector))
+      .filter(node => node.classList.contains(CLASS_NAME_ACTIVE))
+      .forEach(node => node.classList.remove(CLASS_NAME_ACTIVE))
+  }
+
+  // Static
+  static _jQueryInterface(config) {
+    return this.each(function () {
+      let data = $(this).data(DATA_KEY)
+      const _config = typeof config === 'object' && config
+
+      if (!data) {
+        data = new ScrollSpy(this, _config)
+        $(this).data(DATA_KEY, data)
+      }
+
+      if (typeof config === 'string') {
+        if (typeof data[config] === 'undefined') {
+          throw new TypeError(`No method named "${config}"`)
+        }
+
+        data[config]()
+      }
+    })
+  }
+}
+
+/**
+ * Data API implementation
+ */
+
+$(window).on(EVENT_LOAD_DATA_API, () => {
+  const scrollSpys = [].slice.call(document.querySelectorAll(SELECTOR_DATA_SPY))
+  const scrollSpysLength = scrollSpys.length
+
+  for (let i = scrollSpysLength; i--;) {
+    const $spy = $(scrollSpys[i])
+    ScrollSpy._jQueryInterface.call($spy, $spy.data())
+  }
+})
+
+/**
+ * jQuery
+ */
+
+$.fn[NAME] = ScrollSpy._jQueryInterface
+$.fn[NAME].Constructor = ScrollSpy
+$.fn[NAME].noConflict = () => {
+  $.fn[NAME] = JQUERY_NO_CONFLICT
+  return ScrollSpy._jQueryInterface
+}
+
+export default ScrollSpy

theme/boost/amd/src/bootstrap/tab.js

@@ -0,0 +1,249 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): tab.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import $ from 'jquery'
+import Util from './util'
+
+/**
+ * Constants
+ */
+
+const NAME = 'tab'
+const VERSION = '4.6.2'
+const DATA_KEY = 'bs.tab'
+const EVENT_KEY = `.${DATA_KEY}`
+const DATA_API_KEY = '.data-api'
+const JQUERY_NO_CONFLICT = $.fn[NAME]
+
+const CLASS_NAME_DROPDOWN_MENU = 'dropdown-menu'
+const CLASS_NAME_ACTIVE = 'active'
+const CLASS_NAME_DISABLED = 'disabled'
+const CLASS_NAME_FADE = 'fade'
+const CLASS_NAME_SHOW = 'show'
+
+const EVENT_HIDE = `hide${EVENT_KEY}`
+const EVENT_HIDDEN = `hidden${EVENT_KEY}`
+const EVENT_SHOW = `show${EVENT_KEY}`
+const EVENT_SHOWN = `shown${EVENT_KEY}`
+const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
+
+const SELECTOR_DROPDOWN = '.dropdown'
+const SELECTOR_NAV_LIST_GROUP = '.nav, .list-group'
+const SELECTOR_ACTIVE = '.active'
+const SELECTOR_ACTIVE_UL = '> li > .active'
+const SELECTOR_DATA_TOGGLE = '[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]'
+const SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle'
+const SELECTOR_DROPDOWN_ACTIVE_CHILD = '> .dropdown-menu .active'
+
+/**
+ * Class definition
+ */
+
+class Tab {
+  constructor(element) {
+    this._element = element
+  }
+
+  // Getters
+  static get VERSION() {
+    return VERSION
+  }
+
+  // Public
+  show() {
+    if (this._element.parentNode &&
+        this._element.parentNode.nodeType === Node.ELEMENT_NODE &&
+        $(this._element).hasClass(CLASS_NAME_ACTIVE) ||
+        $(this._element).hasClass(CLASS_NAME_DISABLED) ||
+        this._element.hasAttribute('disabled')) {
+      return
+    }
+
+    let target
+    let previous
+    const listElement = $(this._element).closest(SELECTOR_NAV_LIST_GROUP)[0]
+    const selector = Util.getSelectorFromElement(this._element)
+
+    if (listElement) {
+      const itemSelector = listElement.nodeName === 'UL' || listElement.nodeName === 'OL' ? SELECTOR_ACTIVE_UL : SELECTOR_ACTIVE
+      previous = $.makeArray($(listElement).find(itemSelector))
+      previous = previous[previous.length - 1]
+    }
+
+    const hideEvent = $.Event(EVENT_HIDE, {
+      relatedTarget: this._element
+    })
+
+    const showEvent = $.Event(EVENT_SHOW, {
+      relatedTarget: previous
+    })
+
+    if (previous) {
+      $(previous).trigger(hideEvent)
+    }
+
+    $(this._element).trigger(showEvent)
+
+    if (showEvent.isDefaultPrevented() ||
+        hideEvent.isDefaultPrevented()) {
+      return
+    }
+
+    if (selector) {
+      target = document.querySelector(selector)
+    }
+
+    this._activate(
+      this._element,
+      listElement
+    )
+
+    const complete = () => {
+      const hiddenEvent = $.Event(EVENT_HIDDEN, {
+        relatedTarget: this._element
+      })
+
+      const shownEvent = $.Event(EVENT_SHOWN, {
+        relatedTarget: previous
+      })
+
+      $(previous).trigger(hiddenEvent)
+      $(this._element).trigger(shownEvent)
+    }
+
+    if (target) {
+      this._activate(target, target.parentNode, complete)
+    } else {
+      complete()
+    }
+  }
+
+  dispose() {
+    $.removeData(this._element, DATA_KEY)
+    this._element = null
+  }
+
+  // Private
+  _activate(element, container, callback) {
+    const activeElements = container && (container.nodeName === 'UL' || container.nodeName === 'OL') ?
+      $(container).find(SELECTOR_ACTIVE_UL) :
+      $(container).children(SELECTOR_ACTIVE)
+
+    const active = activeElements[0]
+    const isTransitioning = callback && (active && $(active).hasClass(CLASS_NAME_FADE))
+    const complete = () => this._transitionComplete(
+      element,
+      active,
+      callback
+    )
+
+    if (active && isTransitioning) {
+      const transitionDuration = Util.getTransitionDurationFromElement(active)
+
+      $(active)
+        .removeClass(CLASS_NAME_SHOW)
+        .one(Util.TRANSITION_END, complete)
+        .emulateTransitionEnd(transitionDuration)
+    } else {
+      complete()
+    }
+  }
+
+  _transitionComplete(element, active, callback) {
+    if (active) {
+      $(active).removeClass(CLASS_NAME_ACTIVE)
+
+      const dropdownChild = $(active.parentNode).find(
+        SELECTOR_DROPDOWN_ACTIVE_CHILD
+      )[0]
+
+      if (dropdownChild) {
+        $(dropdownChild).removeClass(CLASS_NAME_ACTIVE)
+      }
+
+      if (active.getAttribute('role') === 'tab') {
+        active.setAttribute('aria-selected', false)
+      }
+    }
+
+    $(element).addClass(CLASS_NAME_ACTIVE)
+    if (element.getAttribute('role') === 'tab') {
+      element.setAttribute('aria-selected', true)
+    }
+
+    Util.reflow(element)
+
+    if (element.classList.contains(CLASS_NAME_FADE)) {
+      element.classList.add(CLASS_NAME_SHOW)
+    }
+
+    let parent = element.parentNode
+    if (parent && parent.nodeName === 'LI') {
+      parent = parent.parentNode
+    }
+
+    if (parent && $(parent).hasClass(CLASS_NAME_DROPDOWN_MENU)) {
+      const dropdownElement = $(element).closest(SELECTOR_DROPDOWN)[0]
+
+      if (dropdownElement) {
+        const dropdownToggleList = [].slice.call(dropdownElement.querySelectorAll(SELECTOR_DROPDOWN_TOGGLE))
+
+        $(dropdownToggleList).addClass(CLASS_NAME_ACTIVE)
+      }
+
+      element.setAttribute('aria-expanded', true)
+    }
+
+    if (callback) {
+      callback()
+    }
+  }
+
+  // Static
+  static _jQueryInterface(config) {
+    return this.each(function () {
+      const $this = $(this)
+      let data = $this.data(DATA_KEY)
+
+      if (!data) {
+        data = new Tab(this)
+        $this.data(DATA_KEY, data)
+      }
+
+      if (typeof config === 'string') {
+        if (typeof data[config] === 'undefined') {
+          throw new TypeError(`No method named "${config}"`)
+        }
+
+        data[config]()
+      }
+    })
+  }
+}
+
+/**
+ * Data API implementation
+ */
+
+$(document)
+  .on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
+    event.preventDefault()
+    Tab._jQueryInterface.call($(this), 'show')
+  })
+
+/**
+ * jQuery
+ */
+
+$.fn[NAME] = Tab._jQueryInterface
+$.fn[NAME].Constructor = Tab
+$.fn[NAME].noConflict = () => {
+  $.fn[NAME] = JQUERY_NO_CONFLICT
+  return Tab._jQueryInterface
+}
+
+export default Tab

theme/boost/amd/src/bootstrap/toast.js

@@ -0,0 +1,220 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): toast.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import $ from 'jquery'
+import Util from './util'
+
+/**
+ * Constants
+ */
+
+const NAME = 'toast'
+const VERSION = '4.6.2'
+const DATA_KEY = 'bs.toast'
+const EVENT_KEY = `.${DATA_KEY}`
+const JQUERY_NO_CONFLICT = $.fn[NAME]
+
+const CLASS_NAME_FADE = 'fade'
+const CLASS_NAME_HIDE = 'hide'
+const CLASS_NAME_SHOW = 'show'
+const CLASS_NAME_SHOWING = 'showing'
+
+const EVENT_CLICK_DISMISS = `click.dismiss${EVENT_KEY}`
+const EVENT_HIDE = `hide${EVENT_KEY}`
+const EVENT_HIDDEN = `hidden${EVENT_KEY}`
+const EVENT_SHOW = `show${EVENT_KEY}`
+const EVENT_SHOWN = `shown${EVENT_KEY}`
+
+const SELECTOR_DATA_DISMISS = '[data-dismiss="toast"]'
+
+const Default = {
+  animation: true,
+  autohide: true,
+  delay: 500
+}
+
+const DefaultType = {
+  animation: 'boolean',
+  autohide: 'boolean',
+  delay: 'number'
+}
+
+/**
+ * Class definition
+ */
+
+class Toast {
+  constructor(element, config) {
+    this._element = element
+    this._config = this._getConfig(config)
+    this._timeout = null
+    this._setListeners()
+  }
+
+  // Getters
+  static get VERSION() {
+    return VERSION
+  }
+
+  static get DefaultType() {
+    return DefaultType
+  }
+
+  static get Default() {
+    return Default
+  }
+
+  // Public
+  show() {
+    const showEvent = $.Event(EVENT_SHOW)
+
+    $(this._element).trigger(showEvent)
+    if (showEvent.isDefaultPrevented()) {
+      return
+    }
+
+    this._clearTimeout()
+
+    if (this._config.animation) {
+      this._element.classList.add(CLASS_NAME_FADE)
+    }
+
+    const complete = () => {
+      this._element.classList.remove(CLASS_NAME_SHOWING)
+      this._element.classList.add(CLASS_NAME_SHOW)
+
+      $(this._element).trigger(EVENT_SHOWN)
+
+      if (this._config.autohide) {
+        this._timeout = setTimeout(() => {
+          this.hide()
+        }, this._config.delay)
+      }
+    }
+
+    this._element.classList.remove(CLASS_NAME_HIDE)
+    Util.reflow(this._element)
+    this._element.classList.add(CLASS_NAME_SHOWING)
+    if (this._config.animation) {
+      const transitionDuration = Util.getTransitionDurationFromElement(this._element)
+
+      $(this._element)
+        .one(Util.TRANSITION_END, complete)
+        .emulateTransitionEnd(transitionDuration)
+    } else {
+      complete()
+    }
+  }
+
+  hide() {
+    if (!this._element.classList.contains(CLASS_NAME_SHOW)) {
+      return
+    }
+
+    const hideEvent = $.Event(EVENT_HIDE)
+
+    $(this._element).trigger(hideEvent)
+    if (hideEvent.isDefaultPrevented()) {
+      return
+    }
+
+    this._close()
+  }
+
+  dispose() {
+    this._clearTimeout()
+
+    if (this._element.classList.contains(CLASS_NAME_SHOW)) {
+      this._element.classList.remove(CLASS_NAME_SHOW)
+    }
+
+    $(this._element).off(EVENT_CLICK_DISMISS)
+
+    $.removeData(this._element, DATA_KEY)
+    this._element = null
+    this._config = null
+  }
+
+  // Private
+  _getConfig(config) {
+    config = {
+      ...Default,
+      ...$(this._element).data(),
+      ...(typeof config === 'object' && config ? config : {})
+    }
+
+    Util.typeCheckConfig(
+      NAME,
+      config,
+      this.constructor.DefaultType
+    )
+
+    return config
+  }
+
+  _setListeners() {
+    $(this._element).on(EVENT_CLICK_DISMISS, SELECTOR_DATA_DISMISS, () => this.hide())
+  }
+
+  _close() {
+    const complete = () => {
+      this._element.classList.add(CLASS_NAME_HIDE)
+      $(this._element).trigger(EVENT_HIDDEN)
+    }
+
+    this._element.classList.remove(CLASS_NAME_SHOW)
+    if (this._config.animation) {
+      const transitionDuration = Util.getTransitionDurationFromElement(this._element)
+
+      $(this._element)
+        .one(Util.TRANSITION_END, complete)
+        .emulateTransitionEnd(transitionDuration)
+    } else {
+      complete()
+    }
+  }
+
+  _clearTimeout() {
+    clearTimeout(this._timeout)
+    this._timeout = null
+  }
+
+  // Static
+  static _jQueryInterface(config) {
+    return this.each(function () {
+      const $element = $(this)
+      let data = $element.data(DATA_KEY)
+      const _config = typeof config === 'object' && config
+
+      if (!data) {
+        data = new Toast(this, _config)
+        $element.data(DATA_KEY, data)
+      }
+
+      if (typeof config === 'string') {
+        if (typeof data[config] === 'undefined') {
+          throw new TypeError(`No method named "${config}"`)
+        }
+
+        data[config](this)
+      }
+    })
+  }
+}
+
+/**
+ * jQuery
+ */
+
+$.fn[NAME] = Toast._jQueryInterface
+$.fn[NAME].Constructor = Toast
+$.fn[NAME].noConflict = () => {
+  $.fn[NAME] = JQUERY_NO_CONFLICT
+  return Toast._jQueryInterface
+}
+
+export default Toast

theme/boost/amd/src/bootstrap/tools/sanitizer.js

@@ -0,0 +1,128 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): tools/sanitizer.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+const uriAttrs = [
+  'background',
+  'cite',
+  'href',
+  'itemtype',
+  'longdesc',
+  'poster',
+  'src',
+  'xlink:href'
+]
+
+const ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i
+
+export const DefaultWhitelist = {
+  // Global attributes allowed on any supplied element below.
+  '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN],
+  a: ['target', 'href', 'title', 'rel'],
+  area: [],
+  b: [],
+  br: [],
+  col: [],
+  code: [],
+  div: [],
+  em: [],
+  hr: [],
+  h1: [],
+  h2: [],
+  h3: [],
+  h4: [],
+  h5: [],
+  h6: [],
+  i: [],
+  img: ['src', 'srcset', 'alt', 'title', 'width', 'height'],
+  li: [],
+  ol: [],
+  p: [],
+  pre: [],
+  s: [],
+  small: [],
+  span: [],
+  sub: [],
+  sup: [],
+  strong: [],
+  u: [],
+  ul: []
+}
+
+/**
+ * A pattern that recognizes a commonly useful subset of URLs that are safe.
+ *
+ * Shoutout to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts
+ */
+const SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file|sms):|[^#&/:?]*(?:[#/?]|$))/i
+
+/**
+ * A pattern that matches safe data URLs. Only matches image, video and audio types.
+ *
+ * Shoutout to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts
+ */
+const DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[\d+/a-z]+=*$/i
+
+function allowedAttribute(attr, allowedAttributeList) {
+  const attrName = attr.nodeName.toLowerCase()
+
+  if (allowedAttributeList.indexOf(attrName) !== -1) {
+    if (uriAttrs.indexOf(attrName) !== -1) {
+      return Boolean(SAFE_URL_PATTERN.test(attr.nodeValue) || DATA_URL_PATTERN.test(attr.nodeValue))
+    }
+
+    return true
+  }
+
+  const regExp = allowedAttributeList.filter(attrRegex => attrRegex instanceof RegExp)
+
+  // Check if a regular expression validates the attribute.
+  for (let i = 0, len = regExp.length; i < len; i++) {
+    if (regExp[i].test(attrName)) {
+      return true
+    }
+  }
+
+  return false
+}
+
+export function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {
+  if (unsafeHtml.length === 0) {
+    return unsafeHtml
+  }
+
+  if (sanitizeFn && typeof sanitizeFn === 'function') {
+    return sanitizeFn(unsafeHtml)
+  }
+
+  const domParser = new window.DOMParser()
+  const createdDocument = domParser.parseFromString(unsafeHtml, 'text/html')
+  const whitelistKeys = Object.keys(whiteList)
+  const elements = [].slice.call(createdDocument.body.querySelectorAll('*'))
+
+  for (let i = 0, len = elements.length; i < len; i++) {
+    const el = elements[i]
+    const elName = el.nodeName.toLowerCase()
+
+    if (whitelistKeys.indexOf(el.nodeName.toLowerCase()) === -1) {
+      el.parentNode.removeChild(el)
+
+      continue
+    }
+
+    const attributeList = [].slice.call(el.attributes)
+    // eslint-disable-next-line unicorn/prefer-spread
+    const whitelistedAttributes = [].concat(whiteList['*'] || [], whiteList[elName] || [])
+
+    attributeList.forEach(attr => {
+      if (!allowedAttribute(attr, whitelistedAttributes)) {
+        el.removeAttribute(attr.nodeName)
+      }
+    })
+  }
+
+  return createdDocument.body.innerHTML
+}

theme/boost/amd/src/bootstrap/tooltip.js

@@ -0,0 +1,764 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): tooltip.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import { DefaultWhitelist, sanitizeHtml } from './tools/sanitizer'
+import $ from 'jquery'
+import Popper from 'core/popper'
+import Util from './util'
+
+/**
+ * Constants
+ */
+
+const NAME = 'tooltip'
+const VERSION = '4.6.2'
+const DATA_KEY = 'bs.tooltip'
+const EVENT_KEY = `.${DATA_KEY}`
+const JQUERY_NO_CONFLICT = $.fn[NAME]
+const CLASS_PREFIX = 'bs-tooltip'
+const BSCLS_PREFIX_REGEX = new RegExp(`(^|\\s)${CLASS_PREFIX}\\S+`, 'g')
+const DISALLOWED_ATTRIBUTES = ['sanitize', 'whiteList', 'sanitizeFn']
+
+const CLASS_NAME_FADE = 'fade'
+const CLASS_NAME_SHOW = 'show'
+
+const HOVER_STATE_SHOW = 'show'
+const HOVER_STATE_OUT = 'out'
+
+const SELECTOR_TOOLTIP_INNER = '.tooltip-inner'
+const SELECTOR_ARROW = '.arrow'
+
+const TRIGGER_HOVER = 'hover'
+const TRIGGER_FOCUS = 'focus'
+const TRIGGER_CLICK = 'click'
+const TRIGGER_MANUAL = 'manual'
+
+const AttachmentMap = {
+  AUTO: 'auto',
+  TOP: 'top',
+  RIGHT: 'right',
+  BOTTOM: 'bottom',
+  LEFT: 'left'
+}
+
+const Default = {
+  animation: true,
+  template: '<div class="tooltip" role="tooltip">' +
+                    '<div class="arrow"></div>' +
+                    '<div class="tooltip-inner"></div></div>',
+  trigger: 'hover focus',
+  title: '',
+  delay: 0,
+  html: false,
+  selector: false,
+  placement: 'top',
+  offset: 0,
+  container: false,
+  fallbackPlacement: 'flip',
+  boundary: 'scrollParent',
+  customClass: '',
+  sanitize: true,
+  sanitizeFn: null,
+  whiteList: DefaultWhitelist,
+  popperConfig: null
+}
+
+const DefaultType = {
+  animation: 'boolean',
+  template: 'string',
+  title: '(string|element|function)',
+  trigger: 'string',
+  delay: '(number|object)',
+  html: 'boolean',
+  selector: '(string|boolean)',
+  placement: '(string|function)',
+  offset: '(number|string|function)',
+  container: '(string|element|boolean)',
+  fallbackPlacement: '(string|array)',
+  boundary: '(string|element)',
+  customClass: '(string|function)',
+  sanitize: 'boolean',
+  sanitizeFn: '(null|function)',
+  whiteList: 'object',
+  popperConfig: '(null|object)'
+}
+
+const Event = {
+  HIDE: `hide${EVENT_KEY}`,
+  HIDDEN: `hidden${EVENT_KEY}`,
+  SHOW: `show${EVENT_KEY}`,
+  SHOWN: `shown${EVENT_KEY}`,
+  INSERTED: `inserted${EVENT_KEY}`,
+  CLICK: `click${EVENT_KEY}`,
+  FOCUSIN: `focusin${EVENT_KEY}`,
+  FOCUSOUT: `focusout${EVENT_KEY}`,
+  MOUSEENTER: `mouseenter${EVENT_KEY}`,
+  MOUSELEAVE: `mouseleave${EVENT_KEY}`
+}
+
+/**
+ * Class definition
+ */
+
+class Tooltip {
+  constructor(element, config) {
+    if (typeof Popper === 'undefined') {
+      throw new TypeError('Bootstrap\'s tooltips require Popper (https://popper.js.org)')
+    }
+
+    // Private
+    this._isEnabled = true
+    this._timeout = 0
+    this._hoverState = ''
+    this._activeTrigger = {}
+    this._popper = null
+
+    // Protected
+    this.element = element
+    this.config = this._getConfig(config)
+    this.tip = null
+
+    this._setListeners()
+  }
+
+  // Getters
+  static get VERSION() {
+    return VERSION
+  }
+
+  static get Default() {
+    return Default
+  }
+
+  static get NAME() {
+    return NAME
+  }
+
+  static get DATA_KEY() {
+    return DATA_KEY
+  }
+
+  static get Event() {
+    return Event
+  }
+
+  static get EVENT_KEY() {
+    return EVENT_KEY
+  }
+
+  static get DefaultType() {
+    return DefaultType
+  }
+
+  // Public
+  enable() {
+    this._isEnabled = true
+  }
+
+  disable() {
+    this._isEnabled = false
+  }
+
+  toggleEnabled() {
+    this._isEnabled = !this._isEnabled
+  }
+
+  toggle(event) {
+    if (!this._isEnabled) {
+      return
+    }
+
+    if (event) {
+      const dataKey = this.constructor.DATA_KEY
+      let context = $(event.currentTarget).data(dataKey)
+
+      if (!context) {
+        context = new this.constructor(
+          event.currentTarget,
+          this._getDelegateConfig()
+        )
+        $(event.currentTarget).data(dataKey, context)
+      }
+
+      context._activeTrigger.click = !context._activeTrigger.click
+
+      if (context._isWithActiveTrigger()) {
+        context._enter(null, context)
+      } else {
+        context._leave(null, context)
+      }
+    } else {
+      if ($(this.getTipElement()).hasClass(CLASS_NAME_SHOW)) {
+        this._leave(null, this)
+        return
+      }
+
+      this._enter(null, this)
+    }
+  }
+
+  dispose() {
+    clearTimeout(this._timeout)
+
+    $.removeData(this.element, this.constructor.DATA_KEY)
+
+    $(this.element).off(this.constructor.EVENT_KEY)
+    $(this.element).closest('.modal').off('hide.bs.modal', this._hideModalHandler)
+
+    if (this.tip) {
+      $(this.tip).remove()
+    }
+
+    this._isEnabled = null
+    this._timeout = null
+    this._hoverState = null
+    this._activeTrigger = null
+    if (this._popper) {
+      this._popper.destroy()
+    }
+
+    this._popper = null
+    this.element = null
+    this.config = null
+    this.tip = null
+  }
+
+  show() {
+    if ($(this.element).css('display') === 'none') {
+      throw new Error('Please use show on visible elements')
+    }
+
+    const showEvent = $.Event(this.constructor.Event.SHOW)
+    if (this.isWithContent() && this._isEnabled) {
+      $(this.element).trigger(showEvent)
+
+      const shadowRoot = Util.findShadowRoot(this.element)
+      const isInTheDom = $.contains(
+        shadowRoot !== null ? shadowRoot : this.element.ownerDocument.documentElement,
+        this.element
+      )
+
+      if (showEvent.isDefaultPrevented() || !isInTheDom) {
+        return
+      }
+
+      const tip = this.getTipElement()
+      const tipId = Util.getUID(this.constructor.NAME)
+
+      tip.setAttribute('id', tipId)
+      this.element.setAttribute('aria-describedby', tipId)
+
+      this.setContent()
+
+      if (this.config.animation) {
+        $(tip).addClass(CLASS_NAME_FADE)
+      }
+
+      const placement = typeof this.config.placement === 'function' ?
+        this.config.placement.call(this, tip, this.element) :
+        this.config.placement
+
+      const attachment = this._getAttachment(placement)
+      this.addAttachmentClass(attachment)
+
+      const container = this._getContainer()
+      $(tip).data(this.constructor.DATA_KEY, this)
+
+      if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {
+        $(tip).appendTo(container)
+      }
+
+      $(this.element).trigger(this.constructor.Event.INSERTED)
+
+      this._popper = new Popper(this.element, tip, this._getPopperConfig(attachment))
+
+      $(tip).addClass(CLASS_NAME_SHOW)
+      $(tip).addClass(this.config.customClass)
+
+      // If this is a touch-enabled device we add extra
+      // empty mouseover listeners to the body's immediate children;
+      // only needed because of broken event delegation on iOS
+      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+      if ('ontouchstart' in document.documentElement) {
+        $(document.body).children().on('mouseover', null, $.noop)
+      }
+
+      const complete = () => {
+        if (this.config.animation) {
+          this._fixTransition()
+        }
+
+        const prevHoverState = this._hoverState
+        this._hoverState = null
+
+        $(this.element).trigger(this.constructor.Event.SHOWN)
+
+        if (prevHoverState === HOVER_STATE_OUT) {
+          this._leave(null, this)
+        }
+      }
+
+      if ($(this.tip).hasClass(CLASS_NAME_FADE)) {
+        const transitionDuration = Util.getTransitionDurationFromElement(this.tip)
+
+        $(this.tip)
+          .one(Util.TRANSITION_END, complete)
+          .emulateTransitionEnd(transitionDuration)
+      } else {
+        complete()
+      }
+    }
+  }
+
+  hide(callback) {
+    const tip = this.getTipElement()
+    const hideEvent = $.Event(this.constructor.Event.HIDE)
+    const complete = () => {
+      if (this._hoverState !== HOVER_STATE_SHOW && tip.parentNode) {
+        tip.parentNode.removeChild(tip)
+      }
+
+      this._cleanTipClass()
+      this.element.removeAttribute('aria-describedby')
+      $(this.element).trigger(this.constructor.Event.HIDDEN)
+      if (this._popper !== null) {
+        this._popper.destroy()
+      }
+
+      if (callback) {
+        callback()
+      }
+    }
+
+    $(this.element).trigger(hideEvent)
+
+    if (hideEvent.isDefaultPrevented()) {
+      return
+    }
+
+    $(tip).removeClass(CLASS_NAME_SHOW)
+
+    // If this is a touch-enabled device we remove the extra
+    // empty mouseover listeners we added for iOS support
+    if ('ontouchstart' in document.documentElement) {
+      $(document.body).children().off('mouseover', null, $.noop)
+    }
+
+    this._activeTrigger[TRIGGER_CLICK] = false
+    this._activeTrigger[TRIGGER_FOCUS] = false
+    this._activeTrigger[TRIGGER_HOVER] = false
+
+    if ($(this.tip).hasClass(CLASS_NAME_FADE)) {
+      const transitionDuration = Util.getTransitionDurationFromElement(tip)
+
+      $(tip)
+        .one(Util.TRANSITION_END, complete)
+        .emulateTransitionEnd(transitionDuration)
+    } else {
+      complete()
+    }
+
+    this._hoverState = ''
+  }
+
+  update() {
+    if (this._popper !== null) {
+      this._popper.scheduleUpdate()
+    }
+  }
+
+  // Protected
+  isWithContent() {
+    return Boolean(this.getTitle())
+  }
+
+  addAttachmentClass(attachment) {
+    $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)
+  }
+
+  getTipElement() {
+    this.tip = this.tip || $(this.config.template)[0]
+    return this.tip
+  }
+
+  setContent() {
+    const tip = this.getTipElement()
+    this.setElementContent($(tip.querySelectorAll(SELECTOR_TOOLTIP_INNER)), this.getTitle())
+    $(tip).removeClass(`${CLASS_NAME_FADE} ${CLASS_NAME_SHOW}`)
+  }
+
+  setElementContent($element, content) {
+    if (typeof content === 'object' && (content.nodeType || content.jquery)) {
+      // Content is a DOM node or a jQuery
+      if (this.config.html) {
+        if (!$(content).parent().is($element)) {
+          $element.empty().append(content)
+        }
+      } else {
+        $element.text($(content).text())
+      }
+
+      return
+    }
+
+    if (this.config.html) {
+      if (this.config.sanitize) {
+        content = sanitizeHtml(content, this.config.whiteList, this.config.sanitizeFn)
+      }
+
+      $element.html(content)
+    } else {
+      $element.text(content)
+    }
+  }
+
+  getTitle() {
+    let title = this.element.getAttribute('data-original-title')
+
+    if (!title) {
+      title = typeof this.config.title === 'function' ?
+        this.config.title.call(this.element) :
+        this.config.title
+    }
+
+    return title
+  }
+
+  // Private
+  _getPopperConfig(attachment) {
+    const defaultBsConfig = {
+      placement: attachment,
+      modifiers: {
+        offset: this._getOffset(),
+        flip: {
+          behavior: this.config.fallbackPlacement
+        },
+        arrow: {
+          element: SELECTOR_ARROW
+        },
+        preventOverflow: {
+          boundariesElement: this.config.boundary
+        }
+      },
+      onCreate: data => {
+        if (data.originalPlacement !== data.placement) {
+          this._handlePopperPlacementChange(data)
+        }
+      },
+      onUpdate: data => this._handlePopperPlacementChange(data)
+    }
+
+    return {
+      ...defaultBsConfig,
+      ...this.config.popperConfig
+    }
+  }
+
+  _getOffset() {
+    const offset = {}
+
+    if (typeof this.config.offset === 'function') {
+      offset.fn = data => {
+        data.offsets = {
+          ...data.offsets,
+          ...this.config.offset(data.offsets, this.element)
+        }
+
+        return data
+      }
+    } else {
+      offset.offset = this.config.offset
+    }
+
+    return offset
+  }
+
+  _getContainer() {
+    if (this.config.container === false) {
+      return document.body
+    }
+
+    if (Util.isElement(this.config.container)) {
+      return $(this.config.container)
+    }
+
+    return $(document).find(this.config.container)
+  }
+
+  _getAttachment(placement) {
+    return AttachmentMap[placement.toUpperCase()]
+  }
+
+  _setListeners() {
+    const triggers = this.config.trigger.split(' ')
+
+    triggers.forEach(trigger => {
+      if (trigger === 'click') {
+        $(this.element).on(
+          this.constructor.Event.CLICK,
+          this.config.selector,
+          event => this.toggle(event)
+        )
+      } else if (trigger !== TRIGGER_MANUAL) {
+        const eventIn = trigger === TRIGGER_HOVER ?
+          this.constructor.Event.MOUSEENTER :
+          this.constructor.Event.FOCUSIN
+        const eventOut = trigger === TRIGGER_HOVER ?
+          this.constructor.Event.MOUSELEAVE :
+          this.constructor.Event.FOCUSOUT
+
+        $(this.element)
+          .on(eventIn, this.config.selector, event => this._enter(event))
+          .on(eventOut, this.config.selector, event => this._leave(event))
+      }
+    })
+
+    this._hideModalHandler = () => {
+      if (this.element) {
+        this.hide()
+      }
+    }
+
+    $(this.element).closest('.modal').on('hide.bs.modal', this._hideModalHandler)
+
+    if (this.config.selector) {
+      this.config = {
+        ...this.config,
+        trigger: 'manual',
+        selector: ''
+      }
+    } else {
+      this._fixTitle()
+    }
+  }
+
+  _fixTitle() {
+    const titleType = typeof this.element.getAttribute('data-original-title')
+
+    if (this.element.getAttribute('title') || titleType !== 'string') {
+      this.element.setAttribute(
+        'data-original-title',
+        this.element.getAttribute('title') || ''
+      )
+
+      this.element.setAttribute('title', '')
+    }
+  }
+
+  _enter(event, context) {
+    const dataKey = this.constructor.DATA_KEY
+    context = context || $(event.currentTarget).data(dataKey)
+
+    if (!context) {
+      context = new this.constructor(
+        event.currentTarget,
+        this._getDelegateConfig()
+      )
+      $(event.currentTarget).data(dataKey, context)
+    }
+
+    if (event) {
+      context._activeTrigger[
+        event.type === 'focusin' ? TRIGGER_FOCUS : TRIGGER_HOVER
+      ] = true
+    }
+
+    if ($(context.getTipElement()).hasClass(CLASS_NAME_SHOW) || context._hoverState === HOVER_STATE_SHOW) {
+      context._hoverState = HOVER_STATE_SHOW
+      return
+    }
+
+    clearTimeout(context._timeout)
+
+    context._hoverState = HOVER_STATE_SHOW
+
+    if (!context.config.delay || !context.config.delay.show) {
+      context.show()
+      return
+    }
+
+    context._timeout = setTimeout(() => {
+      if (context._hoverState === HOVER_STATE_SHOW) {
+        context.show()
+      }
+    }, context.config.delay.show)
+  }
+
+  _leave(event, context) {
+    const dataKey = this.constructor.DATA_KEY
+    context = context || $(event.currentTarget).data(dataKey)
+
+    if (!context) {
+      context = new this.constructor(
+        event.currentTarget,
+        this._getDelegateConfig()
+      )
+      $(event.currentTarget).data(dataKey, context)
+    }
+
+    if (event) {
+      context._activeTrigger[
+        event.type === 'focusout' ? TRIGGER_FOCUS : TRIGGER_HOVER
+      ] = false
+    }
+
+    if (context._isWithActiveTrigger()) {
+      return
+    }
+
+    clearTimeout(context._timeout)
+
+    context._hoverState = HOVER_STATE_OUT
+
+    if (!context.config.delay || !context.config.delay.hide) {
+      context.hide()
+      return
+    }
+
+    context._timeout = setTimeout(() => {
+      if (context._hoverState === HOVER_STATE_OUT) {
+        context.hide()
+      }
+    }, context.config.delay.hide)
+  }
+
+  _isWithActiveTrigger() {
+    for (const trigger in this._activeTrigger) {
+      if (this._activeTrigger[trigger]) {
+        return true
+      }
+    }
+
+    return false
+  }
+
+  _getConfig(config) {
+    const dataAttributes = $(this.element).data()
+
+    Object.keys(dataAttributes)
+      .forEach(dataAttr => {
+        if (DISALLOWED_ATTRIBUTES.indexOf(dataAttr) !== -1) {
+          delete dataAttributes[dataAttr]
+        }
+      })
+
+    config = {
+      ...this.constructor.Default,
+      ...dataAttributes,
+      ...(typeof config === 'object' && config ? config : {})
+    }
+
+    if (typeof config.delay === 'number') {
+      config.delay = {
+        show: config.delay,
+        hide: config.delay
+      }
+    }
+
+    if (typeof config.title === 'number') {
+      config.title = config.title.toString()
+    }
+
+    if (typeof config.content === 'number') {
+      config.content = config.content.toString()
+    }
+
+    Util.typeCheckConfig(
+      NAME,
+      config,
+      this.constructor.DefaultType
+    )
+
+    if (config.sanitize) {
+      config.template = sanitizeHtml(config.template, config.whiteList, config.sanitizeFn)
+    }
+
+    return config
+  }
+
+  _getDelegateConfig() {
+    const config = {}
+
+    if (this.config) {
+      for (const key in this.config) {
+        if (this.constructor.Default[key] !== this.config[key]) {
+          config[key] = this.config[key]
+        }
+      }
+    }
+
+    return config
+  }
+
+  _cleanTipClass() {
+    const $tip = $(this.getTipElement())
+    const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)
+    if (tabClass !== null && tabClass.length) {
+      $tip.removeClass(tabClass.join(''))
+    }
+  }
+
+  _handlePopperPlacementChange(popperData) {
+    this.tip = popperData.instance.popper
+    this._cleanTipClass()
+    this.addAttachmentClass(this._getAttachment(popperData.placement))
+  }
+
+  _fixTransition() {
+    const tip = this.getTipElement()
+    const initConfigAnimation = this.config.animation
+
+    if (tip.getAttribute('x-placement') !== null) {
+      return
+    }
+
+    $(tip).removeClass(CLASS_NAME_FADE)
+    this.config.animation = false
+    this.hide()
+    this.show()
+    this.config.animation = initConfigAnimation
+  }
+
+  // Static
+  static _jQueryInterface(config) {
+    return this.each(function () {
+      const $element = $(this)
+      let data = $element.data(DATA_KEY)
+      const _config = typeof config === 'object' && config
+
+      if (!data && /dispose|hide/.test(config)) {
+        return
+      }
+
+      if (!data) {
+        data = new Tooltip(this, _config)
+        $element.data(DATA_KEY, data)
+      }
+
+      if (typeof config === 'string') {
+        if (typeof data[config] === 'undefined') {
+          throw new TypeError(`No method named "${config}"`)
+        }
+
+        data[config]()
+      }
+    })
+  }
+}
+
+/**
+ * jQuery
+ */
+
+$.fn[NAME] = Tooltip._jQueryInterface
+$.fn[NAME].Constructor = Tooltip
+$.fn[NAME].noConflict = () => {
+  $.fn[NAME] = JQUERY_NO_CONFLICT
+  return Tooltip._jQueryInterface
+}
+
+export default Tooltip

theme/boost/amd/src/bootstrap/util.js

@@ -0,0 +1,195 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): util.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import $ from 'jquery'
+
+/**
+ * Private TransitionEnd Helpers
+ */
+
+const TRANSITION_END = 'transitionend'
+const MAX_UID = 1000000
+const MILLISECONDS_MULTIPLIER = 1000
+
+// Shoutout AngusCroll (https://goo.gl/pxwQGp)
+function toType(obj) {
+  if (obj === null || typeof obj === 'undefined') {
+    return `${obj}`
+  }
+
+  return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase()
+}
+
+function getSpecialTransitionEndEvent() {
+  return {
+    bindType: TRANSITION_END,
+    delegateType: TRANSITION_END,
+    handle(event) {
+      if ($(event.target).is(this)) {
+        return event.handleObj.handler.apply(this, arguments) // eslint-disable-line prefer-rest-params
+      }
+
+      return undefined
+    }
+  }
+}
+
+function transitionEndEmulator(duration) {
+  let called = false
+
+  $(this).one(Util.TRANSITION_END, () => {
+    called = true
+  })
+
+  setTimeout(() => {
+    if (!called) {
+      Util.triggerTransitionEnd(this)
+    }
+  }, duration)
+
+  return this
+}
+
+function setTransitionEndSupport() {
+  $.fn.emulateTransitionEnd = transitionEndEmulator
+  $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent()
+}
+
+/**
+ * Public Util API
+ */
+
+const Util = {
+  TRANSITION_END: 'bsTransitionEnd',
+
+  getUID(prefix) {
+    do {
+      // eslint-disable-next-line no-bitwise
+      prefix += ~~(Math.random() * MAX_UID) // "~~" acts like a faster Math.floor() here
+    } while (document.getElementById(prefix))
+
+    return prefix
+  },
+
+  getSelectorFromElement(element) {
+    let selector = element.getAttribute('data-target')
+
+    if (!selector || selector === '#') {
+      const hrefAttr = element.getAttribute('href')
+      selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : ''
+    }
+
+    try {
+      return document.querySelector(selector) ? selector : null
+    } catch (_) {
+      return null
+    }
+  },
+
+  getTransitionDurationFromElement(element) {
+    if (!element) {
+      return 0
+    }
+
+    // Get transition-duration of the element
+    let transitionDuration = $(element).css('transition-duration')
+    let transitionDelay = $(element).css('transition-delay')
+
+    const floatTransitionDuration = parseFloat(transitionDuration)
+    const floatTransitionDelay = parseFloat(transitionDelay)
+
+    // Return 0 if element or transition duration is not found
+    if (!floatTransitionDuration && !floatTransitionDelay) {
+      return 0
+    }
+
+    // If multiple durations are defined, take the first
+    transitionDuration = transitionDuration.split(',')[0]
+    transitionDelay = transitionDelay.split(',')[0]
+
+    return (parseFloat(transitionDuration) + parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER
+  },
+
+  reflow(element) {
+    return element.offsetHeight
+  },
+
+  triggerTransitionEnd(element) {
+    $(element).trigger(TRANSITION_END)
+  },
+
+  supportsTransitionEnd() {
+    return Boolean(TRANSITION_END)
+  },
+
+  isElement(obj) {
+    return (obj[0] || obj).nodeType
+  },
+
+  typeCheckConfig(componentName, config, configTypes) {
+    for (const property in configTypes) {
+      if (Object.prototype.hasOwnProperty.call(configTypes, property)) {
+        const expectedTypes = configTypes[property]
+        const value = config[property]
+        const valueType = value && Util.isElement(value) ?
+          'element' : toType(value)
+
+        if (!new RegExp(expectedTypes).test(valueType)) {
+          throw new Error(
+            `${componentName.toUpperCase()}: ` +
+            `Option "${property}" provided type "${valueType}" ` +
+            `but expected type "${expectedTypes}".`)
+        }
+      }
+    }
+  },
+
+  findShadowRoot(element) {
+    if (!document.documentElement.attachShadow) {
+      return null
+    }
+
+    // Can find the shadow root otherwise it'll return the document
+    if (typeof element.getRootNode === 'function') {
+      const root = element.getRootNode()
+      return root instanceof ShadowRoot ? root : null
+    }
+
+    if (element instanceof ShadowRoot) {
+      return element
+    }
+
+    // when we don't find a shadow root
+    if (!element.parentNode) {
+      return null
+    }
+
+    return Util.findShadowRoot(element.parentNode)
+  },
+
+  jQueryDetection() {
+    if (typeof $ === 'undefined') {
+      throw new TypeError('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.')
+    }
+
+    const version = $.fn.jquery.split(' ')[0].split('.')
+    const minMajor = 1
+    const ltMajor = 2
+    const minMinor = 9
+    const minPatch = 1
+    const maxMajor = 4
+
+    if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {
+      throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0')
+    }
+  }
+}
+
+Util.jQueryDetection()
+setTransitionEndSupport()
+
+export default Util

theme/boost/amd/src/courseindexdrawercontrols.js

@@ -0,0 +1,89 @@
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Controls for the course index drawer, such as expand-all/collapse-all sections.
+ *
+ * @module     theme_boost/courseindexdrawercontrols
+ * @copyright  2023 Stefan Topfstedt
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+import {BaseComponent} from 'core/reactive';
+import {getCurrentCourseEditor} from 'core_courseformat/courseeditor';
+
+export default class Component extends BaseComponent {
+
+  create() {
+    this.name = 'courseindexdrawercontrols';
+    this.selectors = {
+      COLLAPSEALL: `[data-action="collapseallcourseindexsections"]`,
+      EXPANDALL: `[data-action="expandallcourseindexsections"]`,
+    };
+  }
+
+  /**
+   * @param {element|string} target the DOM main element or its ID
+   * @param {object} selectors optional css selector overrides
+   * @return {Component}
+   */
+  static init(target, selectors) {
+    return new Component({
+      element: document.getElementById(target),
+      reactive: getCurrentCourseEditor(),
+      selectors,
+    });
+  }
+
+  /**
+   * Initial state ready method.
+   */
+  stateReady() {
+    // Attach the on-click event handlers to the expand-all and collapse-all buttons, if present.
+    const expandAllBtn = this.getElement(this.selectors.EXPANDALL);
+    if (expandAllBtn) {
+      this.addEventListener(expandAllBtn, 'click', this._expandAllSections);
+
+    }
+    const collapseAllBtn = this.getElement(this.selectors.COLLAPSEALL);
+    if (collapseAllBtn) {
+      this.addEventListener(collapseAllBtn, 'click', this._collapseAllSections);
+    }
+  }
+
+  /**
+   * On-click event handler for the collapse-all button.
+   * @private
+   */
+  _collapseAllSections() {
+    this._toggleAllSections(true);
+  }
+
+  /**
+   * On-click event handler for the expand-all button.
+   * @private
+   */
+  _expandAllSections() {
+    this._toggleAllSections(false);
+  }
+
+  /**
+   * Collapses or expands all sections in the course index.
+   * @param {boolean} expandOrCollapse set to TRUE to collapse all, and FALSE to expand all.
+   * @private
+   */
+  _toggleAllSections(expandOrCollapse) {
+    this.reactive.dispatch('allSectionsIndexCollapsed', expandOrCollapse);
+  }
+}

theme/boost/amd/src/drawer.js

@@ -0,0 +1,199 @@
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Contain the logic for a drawer.
+ *
+ * @module theme_boost/drawer
+ * @copyright  2016 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define(['jquery', 'core/custom_interaction_events', 'core/log', 'core/pubsub', 'core/aria', 'core_user/repository'],
+     function($, CustomEvents, Log, PubSub, Aria, UserRepository) {
+
+    var SELECTORS = {
+        TOGGLE_REGION: '[data-region="drawer-toggle"]',
+        TOGGLE_ACTION: '[data-action="toggle-drawer"]',
+        TOGGLE_TARGET: 'aria-controls',
+        TOGGLE_SIDE: 'left',
+        BODY: 'body',
+        SECTION: '.list-group-item[href*="#section-"]',
+        DRAWER: '#nav-drawer'
+    };
+
+    var small = $(document).width() < 768;
+
+    /**
+     * Constructor for the Drawer.
+     */
+    var Drawer = function() {
+
+        if (!$(SELECTORS.TOGGLE_REGION).length) {
+            Log.debug('Page is missing a drawer region');
+        }
+        if (!$(SELECTORS.TOGGLE_ACTION).length) {
+            Log.debug('Page is missing a drawer toggle link');
+        }
+        $(SELECTORS.TOGGLE_REGION).each(function(index, ele) {
+            var trigger = $(ele).find(SELECTORS.TOGGLE_ACTION);
+            var drawerid = trigger.attr('aria-controls');
+            var drawer = $(document.getElementById(drawerid));
+            var hidden = trigger.attr('aria-expanded') == 'false';
+            var side = trigger.attr('data-side');
+            var body = $(SELECTORS.BODY);
+            var preference = trigger.attr('data-preference');
+            if (small) {
+                UserRepository.setUserPreference(preference, false);
+            }
+
+            drawer.on('mousewheel DOMMouseScroll', this.preventPageScroll);
+
+            if (!hidden) {
+                body.addClass('drawer-open-' + side);
+                trigger.attr('aria-expanded', 'true');
+            } else {
+                trigger.attr('aria-expanded', 'false');
+            }
+        }.bind(this));
+
+        this.registerEventListeners();
+        if (small) {
+            this.closeAll();
+        }
+    };
+
+    Drawer.prototype.closeAll = function() {
+        $(SELECTORS.TOGGLE_REGION).each(function(index, ele) {
+            var trigger = $(ele).find(SELECTORS.TOGGLE_ACTION);
+            var side = trigger.attr('data-side');
+            var body = $(SELECTORS.BODY);
+            var drawerid = trigger.attr('aria-controls');
+            var drawer = $(document.getElementById(drawerid));
+            var preference = trigger.attr('data-preference');
+
+            trigger.attr('aria-expanded', 'false');
+            body.removeClass('drawer-open-' + side);
+            Aria.hide(drawer.get());
+            drawer.addClass('closed');
+            if (!small) {
+                UserRepository.setUserPreference(preference, false);
+            }
+        });
+    };
+
+    /**
+     * Open / close the blocks drawer.
+     *
+     * @method toggleDrawer
+     * @param {Event} e
+     */
+    Drawer.prototype.toggleDrawer = function(e) {
+        var trigger = $(e.target).closest('[data-action=toggle-drawer]');
+        var drawerid = trigger.attr('aria-controls');
+        var drawer = $(document.getElementById(drawerid));
+        var body = $(SELECTORS.BODY);
+        var side = trigger.attr('data-side');
+        var preference = trigger.attr('data-preference');
+        if (small) {
+            UserRepository.setUserPreference(preference, false);
+        }
+
+        body.addClass('drawer-ease');
+        var open = trigger.attr('aria-expanded') == 'true';
+        if (!open) {
+            // Open.
+            trigger.attr('aria-expanded', 'true');
+            Aria.unhide(drawer.get());
+            drawer.focus();
+            body.addClass('drawer-open-' + side);
+            drawer.removeClass('closed');
+            if (!small) {
+                UserRepository.setUserPreference(preference, true);
+            }
+        } else {
+            // Close.
+            body.removeClass('drawer-open-' + side);
+            trigger.attr('aria-expanded', 'false');
+            drawer.addClass('closed').delay(500).queue(function() {
+                // Ensure that during the delay, the drawer wasn't re-opened.
+                if ($(this).hasClass('closed')) {
+                    Aria.hide(this);
+                }
+                $(this).dequeue();
+            });
+            if (!small) {
+                UserRepository.setUserPreference(preference, false);
+            }
+        }
+
+        // Publish an event to tell everything that the drawer has been toggled.
+        // The drawer transitions closed so another event will fire once teh transition
+        // has completed.
+        PubSub.publish('nav-drawer-toggle-start', open);
+    };
+
+    /**
+     * Prevent the page from scrolling when the drawer is at max scroll.
+     *
+     * @method preventPageScroll
+     * @param  {Event} e
+     */
+    Drawer.prototype.preventPageScroll = function(e) {
+        var delta = e.wheelDelta || (e.originalEvent && e.originalEvent.wheelDelta) || -e.originalEvent.detail,
+            bottomOverflow = (this.scrollTop + $(this).outerHeight() - this.scrollHeight) >= 0,
+            topOverflow = this.scrollTop <= 0;
+
+        if ((delta < 0 && bottomOverflow) || (delta > 0 && topOverflow)) {
+            e.preventDefault();
+        }
+    };
+
+    /**
+     * Set up all of the event handling for the modal.
+     *
+     * @method registerEventListeners
+     */
+    Drawer.prototype.registerEventListeners = function() {
+
+        $(SELECTORS.TOGGLE_ACTION).each(function(index, element) {
+            CustomEvents.define($(element), [CustomEvents.events.activate]);
+            $(element).on(CustomEvents.events.activate, function(e, data) {
+                this.toggleDrawer(data.originalEvent);
+                data.originalEvent.preventDefault();
+            }.bind(this));
+        }.bind(this));
+
+        $(SELECTORS.SECTION).click(function() {
+            if (small) {
+                this.closeAll();
+            }
+        }.bind(this));
+
+        // Publish an event to tell everything that the drawer completed the transition
+        // to either an open or closed state.
+        $(SELECTORS.DRAWER).on('webkitTransitionEnd msTransitionEnd transitionend', function(e) {
+            var drawer = $(e.target).closest(SELECTORS.DRAWER);
+            // Note: aria-hidden is either present, or absent. It should not be set to false.
+            var open = !!drawer.attr('aria-hidden');
+            PubSub.publish('nav-drawer-toggle-end', open);
+        });
+    };
+
+    return {
+        'init': function() {
+            return new Drawer();
+        }
+    };
+});

theme/boost/amd/src/drawers.js

@@ -0,0 +1,822 @@
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Toggling the visibility of the secondary navigation on mobile.
+ *
+ * @module     theme_boost/drawers
+ * @copyright  2021 Bas Brands
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+import ModalBackdrop from 'core/modal_backdrop';
+import Templates from 'core/templates';
+import * as Aria from 'core/aria';
+import {dispatchEvent} from 'core/event_dispatcher';
+import {debounce} from 'core/utils';
+import {isSmall, isLarge} from 'core/pagehelpers';
+import Pending from 'core/pending';
+import {setUserPreference} from 'core_user/repository';
+// The jQuery module is only used for interacting with Boostrap 4. It can we removed when MDL-71979 is integrated.
+import jQuery from 'jquery';
+
+let backdropPromise = null;
+
+const drawerMap = new Map();
+
+const SELECTORS = {
+    BUTTONS: '[data-toggler="drawers"]',
+    CLOSEBTN: '[data-toggler="drawers"][data-action="closedrawer"]',
+    OPENBTN: '[data-toggler="drawers"][data-action="opendrawer"]',
+    TOGGLEBTN: '[data-toggler="drawers"][data-action="toggle"]',
+    DRAWERS: '[data-region="fixed-drawer"]',
+    DRAWERCONTENT: '.drawercontent',
+    PAGECONTENT: '#page-content',
+    HEADERCONTENT: '.drawerheadercontent',
+};
+
+const CLASSES = {
+    SCROLLED: 'scrolled',
+    SHOW: 'show',
+    NOTINITIALISED: 'not-initialized',
+};
+
+/**
+ * Pixel thresshold to auto-hide drawers.
+ *
+ * @type {Number}
+ */
+const THRESHOLD = 20;
+
+/**
+ * Try to get the drawer z-index from the page content.
+ *
+ * @returns {Number|null} the z-index of the drawer.
+ * @private
+ */
+const getDrawerZIndex = () => {
+    const drawer = document.querySelector(SELECTORS.DRAWERS);
+    if (!drawer) {
+        return null;
+    }
+    return parseInt(window.getComputedStyle(drawer).zIndex, 10);
+};
+
+/**
+ * Add a backdrop to the page.
+ *
+ * @returns {Promise} rendering of modal backdrop.
+ * @private
+ */
+const getBackdrop = () => {
+    if (!backdropPromise) {
+        backdropPromise = Templates.render('core/modal_backdrop', {})
+        .then(html => new ModalBackdrop(html))
+        .then(modalBackdrop => {
+            const drawerZindex = getDrawerZIndex();
+            if (drawerZindex) {
+                modalBackdrop.setZIndex(getDrawerZIndex() - 1);
+            }
+            modalBackdrop.getAttachmentPoint().get(0).addEventListener('click', e => {
+                e.preventDefault();
+                Drawers.closeAllDrawers();
+            });
+            return modalBackdrop;
+        })
+        .catch();
+    }
+    return backdropPromise;
+};
+
+/**
+ * Get the button element to open a specific drawer.
+ *
+ * @param {String} drawerId the drawer element Id
+ * @return {HTMLElement|undefined} the open button element
+ * @private
+ */
+const getDrawerOpenButton = (drawerId) => {
+    let openButton = document.querySelector(`${SELECTORS.OPENBTN}[data-target="${drawerId}"]`);
+    if (!openButton) {
+        openButton = document.querySelector(`${SELECTORS.TOGGLEBTN}[data-target="${drawerId}"]`);
+    }
+    return openButton;
+};
+
+/**
+ * Disable drawer tooltips.
+ *
+ * @param {HTMLElement} drawerNode the drawer main node
+ * @private
+ */
+const disableDrawerTooltips = (drawerNode) => {
+    const buttons = [
+        drawerNode.querySelector(SELECTORS.CLOSEBTN),
+        getDrawerOpenButton(drawerNode.id),
+    ];
+    buttons.forEach(button => {
+        if (!button) {
+            return;
+        }
+        disableButtonTooltip(button);
+    });
+};
+
+/**
+ * Disable the button tooltips.
+ *
+ * @param {HTMLElement} button the button element
+ * @param {boolean} enableOnBlur if the tooltip must be re-enabled on blur.
+ * @private
+ */
+const disableButtonTooltip = (button, enableOnBlur) => {
+    if (button.hasAttribute('data-original-title')) {
+        // The jQuery is still used in Boostrap 4. It can we removed when MDL-71979 is integrated.
+        jQuery(button).tooltip('disable');
+        button.setAttribute('title', button.dataset.originalTitle);
+    } else {
+        button.dataset.disabledToggle = button.dataset.toggle;
+        button.removeAttribute('data-toggle');
+    }
+    if (enableOnBlur) {
+        button.dataset.restoreTooltipOnBlur = true;
+    }
+};
+
+/**
+ * Enable drawer tooltips.
+ *
+ * @param {HTMLElement} drawerNode the drawer main node
+ * @private
+ */
+const enableDrawerTooltips = (drawerNode) => {
+    const buttons = [
+        drawerNode.querySelector(SELECTORS.CLOSEBTN),
+        getDrawerOpenButton(drawerNode.id),
+    ];
+    buttons.forEach(button => {
+        if (!button) {
+            return;
+        }
+        enableButtonTooltip(button);
+    });
+};
+
+/**
+ * Enable the button tooltips.
+ *
+ * @param {HTMLElement} button the button element
+ * @private
+ */
+const enableButtonTooltip = (button) => {
+    // The jQuery is still used in Boostrap 4. It can we removed when MDL-71979 is integrated.
+    if (button.hasAttribute('data-original-title')) {
+        jQuery(button).tooltip('enable');
+        button.removeAttribute('title');
+    } else if (button.dataset.disabledToggle) {
+        button.dataset.toggle = button.dataset.disabledToggle;
+        jQuery(button).tooltip();
+    }
+    delete button.dataset.restoreTooltipOnBlur;
+};
+
+/**
+ * Add scroll listeners to a drawer element.
+ *
+ * @param {HTMLElement} drawerNode the drawer main node
+ * @private
+ */
+const addInnerScrollListener = (drawerNode) => {
+    const content = drawerNode.querySelector(SELECTORS.DRAWERCONTENT);
+    if (!content) {
+        return;
+    }
+    content.addEventListener("scroll", () => {
+        drawerNode.classList.toggle(
+            CLASSES.SCROLLED,
+            content.scrollTop != 0
+        );
+    });
+};
+
+/**
+ * The Drawers class is used to control on-screen drawer elements.
+ *
+ * It handles opening, and closing of drawer elements, as well as more detailed behaviours such as closing a drawer when
+ * another drawer is opened, and supports closing a drawer when the screen is resized.
+ *
+ * Drawers are instantiated on page load, and can also be toggled lazily when toggling any drawer toggle, open button,
+ * or close button.
+ *
+ * A range of show and hide events are also dispatched as detailed in the class
+ * {@link module:theme_boost/drawers#eventTypes eventTypes} object.
+ *
+ * @example <caption>Standard usage</caption>
+ *
+ * // The module just needs to be included to add drawer support.
+ * import 'theme_boost/drawers';
+ *
+ * @example <caption>Manually open or close any drawer</caption>
+ *
+ * import Drawers from 'theme_boost/drawers';
+ *
+ * const myDrawer = Drawers.getDrawerInstanceForNode(document.querySelector('.myDrawerNode');
+ * myDrawer.closeDrawer();
+ *
+ * @example <caption>Listen to the before show event and cancel it</caption>
+ *
+ * import Drawers from 'theme_boost/drawers';
+ *
+ * document.addEventListener(Drawers.eventTypes.drawerShow, e => {
+ *     // The drawer which will be shown.
+ *     window.console.log(e.target);
+ *
+ *     // The instance of the Drawers class for this drawer.
+ *     window.console.log(e.detail.drawerInstance);
+ *
+ *     // Prevent this drawer from being shown.
+ *     e.preventDefault();
+ * });
+ *
+ * @example <caption>Listen to the shown event</caption>
+ *
+ * document.addEventListener(Drawers.eventTypes.drawerShown, e => {
+ *     // The drawer which was shown.
+ *     window.console.log(e.target);
+ *
+ *     // The instance of the Drawers class for this drawer.
+ *     window.console.log(e.detail.drawerInstance);
+ * });
+ */
+export default class Drawers {
+    /**
+     * The underlying HTMLElement which is controlled.
+     */
+    drawerNode = null;
+
+    /**
+     * The drawer page bounding box dimensions.
+     * @var {DOMRect} boundingRect
+     */
+    boundingRect = null;
+
+    constructor(drawerNode) {
+        // Some behat tests may use fake drawer divs to test components in drawers.
+        if (drawerNode.dataset.behatFakeDrawer !== undefined) {
+            return;
+        }
+
+        this.drawerNode = drawerNode;
+
+        if (isSmall()) {
+            this.closeDrawer({focusOnOpenButton: false, updatePreferences: false});
+        }
+
+        if (this.drawerNode.classList.contains(CLASSES.SHOW)) {
+            this.openDrawer({focusOnCloseButton: false, setUserPref: false});
+        } else if (this.drawerNode.dataset.forceopen == 1) {
+            if (!isSmall()) {
+                this.openDrawer({focusOnCloseButton: false, setUserPref: false});
+            }
+        } else {
+            Aria.hide(this.drawerNode);
+        }
+
+        // Disable tooltips in small screens.
+        if (isSmall()) {
+            disableDrawerTooltips(this.drawerNode);
+        }
+
+        addInnerScrollListener(this.drawerNode);
+
+        drawerMap.set(drawerNode, this);
+
+        drawerNode.classList.remove(CLASSES.NOTINITIALISED);
+    }
+
+    /**
+     * Whether the drawer is open.
+     *
+     * @returns {boolean}
+     */
+    get isOpen() {
+        return this.drawerNode.classList.contains(CLASSES.SHOW);
+    }
+
+    /**
+     * Whether the drawer should close when the window is resized
+     *
+     * @returns {boolean}
+     */
+    get closeOnResize() {
+        return !!parseInt(this.drawerNode.dataset.closeOnResize);
+    }
+
+    /**
+     * The list of event types.
+     *
+     * @static
+     * @property {String} drawerShow See {@link event:theme_boost/drawers:show}
+     * @property {String} drawerShown See {@link event:theme_boost/drawers:shown}
+     * @property {String} drawerHide See {@link event:theme_boost/drawers:hide}
+     * @property {String} drawerHidden See {@link event:theme_boost/drawers:hidden}
+     */
+    static eventTypes = {
+        /**
+         * An event triggered before a drawer is shown.
+         *
+         * @event theme_boost/drawers:show
+         * @type {CustomEvent}
+         * @property {HTMLElement} target The drawer that will be opened.
+         */
+        drawerShow: 'theme_boost/drawers:show',
+
+        /**
+         * An event triggered after a drawer is shown.
+         *
+         * @event theme_boost/drawers:shown
+         * @type {CustomEvent}
+         * @property {HTMLElement} target The drawer that was be opened.
+         */
+        drawerShown: 'theme_boost/drawers:shown',
+
+        /**
+         * An event triggered before a drawer is hidden.
+         *
+         * @event theme_boost/drawers:hide
+         * @type {CustomEvent}
+         * @property {HTMLElement} target The drawer that will be hidden.
+         */
+        drawerHide: 'theme_boost/drawers:hide',
+
+        /**
+         * An event triggered after a drawer is hidden.
+         *
+         * @event theme_boost/drawers:hidden
+         * @type {CustomEvent}
+         * @property {HTMLElement} target The drawer that was be hidden.
+         */
+        drawerHidden: 'theme_boost/drawers:hidden',
+    };
+
+
+    /**
+     * Get the drawer instance for the specified node
+     *
+     * @param {HTMLElement} drawerNode
+     * @returns {module:theme_boost/drawers}
+     */
+    static getDrawerInstanceForNode(drawerNode) {
+        if (!drawerMap.has(drawerNode)) {
+            new Drawers(drawerNode);
+        }
+
+        return drawerMap.get(drawerNode);
+    }
+
+    /**
+     * Dispatch a drawer event.
+     *
+     * @param {string} eventname the event name
+     * @param {boolean} cancelable if the event is cancelable
+     * @returns {CustomEvent} the resulting custom event
+     */
+    dispatchEvent(eventname, cancelable = false) {
+        return dispatchEvent(
+            eventname,
+            {
+                drawerInstance: this,
+            },
+            this.drawerNode,
+            {
+                cancelable,
+            }
+        );
+    }
+
+    /**
+     * Open the drawer.
+     *
+     * By default, openDrawer sets the page focus to the close drawer button. However, when a drawer is open at page
+     * load, this represents an accessibility problem as the initial focus changes without any user interaction. The
+     * focusOnCloseButton parameter can be set to false to prevent this behaviour.
+     *
+     * @param {object} args
+     * @param {boolean} [args.focusOnCloseButton=true] Whether to alter page focus when opening the drawer
+     * @param {boolean} [args.setUserPref=true] Whether to store the opened drawer state as a user preference
+     */
+    openDrawer({focusOnCloseButton = true, setUserPref = true} = {}) {
+
+        const pendingPromise = new Pending('theme_boost/drawers:open');
+        const showEvent = this.dispatchEvent(Drawers.eventTypes.drawerShow, true);
+        if (showEvent.defaultPrevented) {
+            return;
+        }
+
+        // Hide close button and header content while the drawer is showing to prevent glitchy effects.
+        this.drawerNode.querySelector(SELECTORS.CLOSEBTN)?.classList.toggle('hidden', true);
+        this.drawerNode.querySelector(SELECTORS.HEADERCONTENT)?.classList.toggle('hidden', true);
+
+
+        // Remove open tooltip if still visible.
+        let openButton = getDrawerOpenButton(this.drawerNode.id);
+        if (openButton && openButton.hasAttribute('data-original-title')) {
+            // The jQuery is still used in Boostrap 4. It can we removed when MDL-71979 is integrated.
+            jQuery(openButton)?.tooltip('hide');
+        }
+
+        Aria.unhide(this.drawerNode);
+        this.drawerNode.classList.add(CLASSES.SHOW);
+
+        const preference = this.drawerNode.dataset.preference;
+        if (preference && !isSmall() && (this.drawerNode.dataset.forceopen != 1) && setUserPref) {
+            setUserPreference(preference, true);
+        }
+
+        const state = this.drawerNode.dataset.state;
+        if (state) {
+            const page = document.getElementById('page');
+            page.classList.add(state);
+        }
+
+        this.boundingRect = this.drawerNode.getBoundingClientRect();
+
+        if (isSmall()) {
+            getBackdrop().then(backdrop => {
+                backdrop.show();
+
+                const pageWrapper = document.getElementById('page');
+                pageWrapper.style.overflow = 'hidden';
+                return backdrop;
+            })
+            .catch();
+        }
+
+        // Show close button and header content once the drawer is fully opened.
+        const closeButton = this.drawerNode.querySelector(SELECTORS.CLOSEBTN);
+        const headerContent = this.drawerNode.querySelector(SELECTORS.HEADERCONTENT);
+        if (focusOnCloseButton && closeButton) {
+            disableButtonTooltip(closeButton, true);
+        }
+        setTimeout(() => {
+            closeButton.classList.toggle('hidden', false);
+            headerContent.classList.toggle('hidden', false);
+            if (focusOnCloseButton) {
+                closeButton.focus();
+            }
+            pendingPromise.resolve();
+        }, 300);
+
+        this.dispatchEvent(Drawers.eventTypes.drawerShown);
+    }
+
+    /**
+     * Close the drawer.
+     *
+     * @param {object} args
+     * @param {boolean} [args.focusOnOpenButton=true] Whether to alter page focus when opening the drawer
+     * @param {boolean} [args.updatePreferences=true] Whether to update the user prewference
+     */
+    closeDrawer({focusOnOpenButton = true, updatePreferences = true} = {}) {
+
+        const pendingPromise = new Pending('theme_boost/drawers:close');
+
+        const hideEvent = this.dispatchEvent(Drawers.eventTypes.drawerHide, true);
+        if (hideEvent.defaultPrevented) {
+            return;
+        }
+
+        // Hide close button and header content while the drawer is hiding to prevent glitchy effects.
+        const closeButton = this.drawerNode.querySelector(SELECTORS.CLOSEBTN);
+        closeButton?.classList.toggle('hidden', true);
+        const headerContent = this.drawerNode.querySelector(SELECTORS.HEADERCONTENT);
+        headerContent?.classList.toggle('hidden', true);
+        // Remove the close button tooltip if visible.
+        if (closeButton.hasAttribute('data-original-title')) {
+            // The jQuery is still used in Boostrap 4. It can we removed when MDL-71979 is integrated.
+            jQuery(closeButton)?.tooltip('hide');
+        }
+
+        const preference = this.drawerNode.dataset.preference;
+        if (preference && updatePreferences && !isSmall()) {
+            setUserPreference(preference, false);
+        }
+
+        const state = this.drawerNode.dataset.state;
+        if (state) {
+            const page = document.getElementById('page');
+            page.classList.remove(state);
+        }
+
+        Aria.hide(this.drawerNode);
+        this.drawerNode.classList.remove(CLASSES.SHOW);
+
+        getBackdrop().then(backdrop => {
+            backdrop.hide();
+
+            if (isSmall()) {
+                const pageWrapper = document.getElementById('page');
+                pageWrapper.style.overflow = 'visible';
+            }
+            return backdrop;
+        })
+        .catch();
+
+        // Move focus to the open drawer (or toggler) button once the drawer is hidden.
+        let openButton = getDrawerOpenButton(this.drawerNode.id);
+        if (openButton) {
+            disableButtonTooltip(openButton, true);
+        }
+        setTimeout(() => {
+            if (openButton && focusOnOpenButton) {
+                openButton.focus();
+            }
+            pendingPromise.resolve();
+        }, 300);
+
+        this.dispatchEvent(Drawers.eventTypes.drawerHidden);
+    }
+
+    /**
+     * Toggle visibility of the drawer.
+     */
+    toggleVisibility() {
+        if (this.drawerNode.classList.contains(CLASSES.SHOW)) {
+            this.closeDrawer();
+        } else {
+            this.openDrawer();
+        }
+    }
+
+    /**
+     * Displaces the drawer outsite the page.
+     *
+     * @param {Number} scrollPosition the page current scroll position
+     */
+    displace(scrollPosition) {
+        let displace = scrollPosition;
+        let openButton = getDrawerOpenButton(this.drawerNode.id);
+        if (scrollPosition === 0) {
+            this.drawerNode.style.transform = '';
+            if (openButton) {
+                openButton.style.transform = '';
+            }
+            return;
+        }
+        const state = this.drawerNode.dataset?.state;
+        const drawrWidth = this.drawerNode.offsetWidth;
+        let scrollThreshold = drawrWidth;
+        let direction = -1;
+        if (state === 'show-drawer-right') {
+            direction = 1;
+            scrollThreshold = THRESHOLD;
+        }
+        // LTR scroll is positive while RTL scroll is negative.
+        if (Math.abs(scrollPosition) > scrollThreshold) {
+            displace = Math.sign(scrollPosition) * (drawrWidth + THRESHOLD);
+        }
+        displace *= direction;
+        const transform = `translateX(${displace}px)`;
+        if (openButton) {
+            openButton.style.transform = transform;
+        }
+        this.drawerNode.style.transform = transform;
+    }
+
+    /**
+     * Prevent drawer from overlapping an element.
+     *
+     * @param {HTMLElement} currentFocus
+     */
+    preventOverlap(currentFocus) {
+        // Start position drawer (aka. left drawer) will never overlap with the page content.
+        if (!this.isOpen || this.drawerNode.dataset?.state === 'show-drawer-left') {
+            return;
+        }
+        const drawrWidth = this.drawerNode.offsetWidth;
+        const element = currentFocus.getBoundingClientRect();
+
+        // The this.boundingRect is calculated only once and it is reliable
+        // for horizontal overlapping (which is the most common). However,
+        // it is not reliable for vertical overlapping because the drawer
+        // height can be changed by other elements like sticky footer.
+        // To prevent recalculating the boundingRect on every
+        // focusin event, we use horizontal overlapping as first fast check.
+        let overlapping = (
+            (element.right + THRESHOLD) > this.boundingRect.left &&
+            (element.left - THRESHOLD) < this.boundingRect.right
+        );
+        if (overlapping) {
+            const currentBoundingRect = this.drawerNode.getBoundingClientRect();
+            overlapping = (
+                (element.bottom) > currentBoundingRect.top &&
+                (element.top) < currentBoundingRect.bottom
+            );
+        }
+
+        if (overlapping) {
+            // Force drawer to displace out of the page.
+            let displaceOut = drawrWidth + 1;
+            if (window.right_to_left()) {
+                displaceOut *= -1;
+            }
+            this.displace(displaceOut);
+        } else {
+            // Reset drawer displacement.
+            this.displace(window.scrollX);
+        }
+    }
+
+    /**
+     * Close all drawers.
+     */
+    static closeAllDrawers() {
+        drawerMap.forEach(drawerInstance => {
+            drawerInstance.closeDrawer();
+        });
+    }
+
+    /**
+     * Close all drawers except for the specified drawer.
+     *
+     * @param {module:theme_boost/drawers} comparisonInstance
+     */
+    static closeOtherDrawers(comparisonInstance) {
+        drawerMap.forEach(drawerInstance => {
+            if (drawerInstance === comparisonInstance) {
+                return;
+            }
+
+            drawerInstance.closeDrawer();
+        });
+    }
+
+    /**
+     * Prevent drawers from covering the focused element.
+     */
+    static preventCoveringFocusedElement() {
+        const currentFocus = document.activeElement;
+        // Focus on page layout elements should be ignored.
+        const pagecontent = document.querySelector(SELECTORS.PAGECONTENT);
+        if (!currentFocus || !pagecontent?.contains(currentFocus)) {
+            Drawers.displaceDrawers(window.scrollX);
+            return;
+        }
+        drawerMap.forEach(drawerInstance => {
+            drawerInstance.preventOverlap(currentFocus);
+        });
+    }
+
+    /**
+     * Prevent drawer from covering the content when the page content covers the full page.
+     *
+     * @param {Number} displace
+     */
+    static displaceDrawers(displace) {
+        drawerMap.forEach(drawerInstance => {
+            drawerInstance.displace(displace);
+        });
+    }
+}
+
+/**
+ * Set the last used attribute for the last used toggle button for a drawer.
+ *
+ * @param {object} toggleButton The clicked button.
+ */
+const setLastUsedToggle = (toggleButton) => {
+    if (toggleButton.dataset.target) {
+        document.querySelectorAll(`${SELECTORS.BUTTONS}[data-target="${toggleButton.dataset.target}"]`)
+        .forEach(btn => {
+            btn.dataset.lastused = false;
+        });
+        toggleButton.dataset.lastused = true;
+    }
+};
+
+/**
+ * Set the focus to the last used button to open this drawer.
+ * @param {string} target The drawer target.
+ */
+const focusLastUsedToggle = (target) => {
+    const lastUsedButton = document.querySelector(`${SELECTORS.BUTTONS}[data-target="${target}"][data-lastused="true"`);
+    if (lastUsedButton) {
+        lastUsedButton.focus();
+    }
+};
+
+/**
+ * Register the event listeners for the drawer.
+ *
+ * @private
+ */
+const registerListeners = () => {
+    // Listen for show/hide events.
+    document.addEventListener('click', e => {
+        const toggleButton = e.target.closest(SELECTORS.TOGGLEBTN);
+        if (toggleButton && toggleButton.dataset.target) {
+            e.preventDefault();
+            const targetDrawer = document.getElementById(toggleButton.dataset.target);
+            const drawerInstance = Drawers.getDrawerInstanceForNode(targetDrawer);
+            setLastUsedToggle(toggleButton);
+
+            drawerInstance.toggleVisibility();
+        }
+
+        const openDrawerButton = e.target.closest(SELECTORS.OPENBTN);
+        if (openDrawerButton && openDrawerButton.dataset.target) {
+            e.preventDefault();
+            const targetDrawer = document.getElementById(openDrawerButton.dataset.target);
+            const drawerInstance = Drawers.getDrawerInstanceForNode(targetDrawer);
+            setLastUsedToggle(toggleButton);
+
+            drawerInstance.openDrawer();
+        }
+
+        const closeDrawerButton = e.target.closest(SELECTORS.CLOSEBTN);
+        if (closeDrawerButton && closeDrawerButton.dataset.target) {
+            e.preventDefault();
+            const targetDrawer = document.getElementById(closeDrawerButton.dataset.target);
+            const drawerInstance = Drawers.getDrawerInstanceForNode(targetDrawer);
+
+            drawerInstance.closeDrawer();
+            focusLastUsedToggle(closeDrawerButton.dataset.target);
+        }
+    });
+
+    // Close drawer when another drawer opens.
+    document.addEventListener(Drawers.eventTypes.drawerShow, e => {
+        if (isLarge()) {
+            return;
+        }
+        Drawers.closeOtherDrawers(e.detail.drawerInstance);
+    });
+
+    // Tooglers and openers blur listeners.
+    const btnSelector = `${SELECTORS.TOGGLEBTN}, ${SELECTORS.OPENBTN}, ${SELECTORS.CLOSEBTN}`;
+    document.addEventListener('focusout', (e) => {
+        const button = e.target.closest(btnSelector);
+        if (button?.dataset.restoreTooltipOnBlur !== undefined) {
+            enableButtonTooltip(button);
+        }
+    });
+
+    const closeOnResizeListener = () => {
+        if (isSmall()) {
+            let anyOpen = false;
+            drawerMap.forEach(drawerInstance => {
+                disableDrawerTooltips(drawerInstance.drawerNode);
+                if (drawerInstance.isOpen) {
+                    if (drawerInstance.closeOnResize) {
+                        drawerInstance.closeDrawer();
+                    } else {
+                        anyOpen = true;
+                    }
+                }
+            });
+
+            if (anyOpen) {
+                getBackdrop().then(backdrop => backdrop.show()).catch();
+            }
+        } else {
+            drawerMap.forEach(drawerInstance => {
+                enableDrawerTooltips(drawerInstance.drawerNode);
+            });
+            getBackdrop().then(backdrop => backdrop.hide()).catch();
+        }
+    };
+
+    document.addEventListener('scroll', () => {
+        const body = document.querySelector('body');
+        if (window.scrollY >= window.innerHeight) {
+            body.classList.add(CLASSES.SCROLLED);
+        } else {
+            body.classList.remove(CLASSES.SCROLLED);
+        }
+        // Horizontal scroll listener to displace the drawers to prevent covering
+        // any possible sticky content.
+        Drawers.displaceDrawers(window.scrollX);
+    });
+
+    const preventOverlap = debounce(Drawers.preventCoveringFocusedElement, 100);
+    document.addEventListener('focusin', preventOverlap);
+    document.addEventListener('focusout', preventOverlap);
+
+    window.addEventListener('resize', debounce(closeOnResizeListener, 400));
+};
+
+registerListeners();
+
+const drawers = document.querySelectorAll(SELECTORS.DRAWERS);
+drawers.forEach(drawerNode => Drawers.getDrawerInstanceForNode(drawerNode));

theme/boost/amd/src/footer-popover.js

@@ -0,0 +1,107 @@
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Shows the footer content in a popover.
+ *
+ * @module     theme_boost/footer-popover
+ * @copyright  2021 Bas Brands
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+import $ from 'jquery';
+import Popover from './popover';
+
+const SELECTORS = {
+    FOOTERCONTAINER: '[data-region="footer-container-popover"]',
+    FOOTERCONTENT: '[data-region="footer-content-popover"]',
+    FOOTERBUTTON: '[data-action="footer-popover"]'
+};
+
+let footerIsShown = false;
+
+export const init = () => {
+    const container = document.querySelector(SELECTORS.FOOTERCONTAINER);
+    const footerButton = document.querySelector(SELECTORS.FOOTERBUTTON);
+
+    // All jQuery in this code can be replaced when MDL-71979 is integrated.
+    $(footerButton).popover({
+        content: getFooterContent,
+        container: container,
+        html: true,
+        placement: 'top',
+        customClass: 'footer',
+        trigger: 'click',
+        boundary: 'viewport',
+        popperConfig: {
+            modifiers: {
+                preventOverflow: {
+                    boundariesElement: 'viewport',
+                    padding: 48
+                },
+                offset: {},
+                flip: {
+                    behavior: 'flip'
+                },
+                arrow: {
+                    element: '.arrow'
+                },
+            }
+        }
+    });
+
+    document.addEventListener('click', e => {
+        if (footerIsShown && !e.target.closest(SELECTORS.FOOTERCONTAINER)) {
+            $(footerButton).popover('hide');
+        }
+    },
+    true);
+
+    document.addEventListener('keydown', e => {
+        if (footerIsShown && e.key === 'Escape') {
+            $(footerButton).popover('hide');
+            footerButton.focus();
+        }
+    });
+
+    document.addEventListener('focus', e => {
+        if (footerIsShown && !e.target.closest(SELECTORS.FOOTERCONTAINER)) {
+            $(footerButton).popover('hide');
+        }
+    },
+    true);
+
+    $(footerButton).on('show.bs.popover', () => {
+        footerIsShown = true;
+    });
+
+    $(footerButton).on('hide.bs.popover', () => {
+        footerIsShown = false;
+    });
+};
+
+/**
+ * Get the footer content for popover.
+ *
+ * @returns {String} HTML string
+ * @private
+ */
+const getFooterContent = () => {
+    return document.querySelector(SELECTORS.FOOTERCONTENT).innerHTML;
+};
+
+export {
+    Popover
+};

theme/boost/amd/src/form-display-errors.js

@@ -0,0 +1,130 @@
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Custom form error event handler to manipulate the bootstrap markup and show
+ * nicely styled errors in an mform.
+ *
+ * @module     theme_boost/form-display-errors
+ * @copyright  2016 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define(['jquery', 'core_form/events'], function($, FormEvent) {
+    let focusedAlready = false;
+    return {
+        /**
+         * Enhance the supplied element to handle form field errors.
+         *
+         * @method
+         * @param {String} elementid
+         * @listens event:formFieldValidationFailed
+         */
+        enhance: function(elementid) {
+            var element = document.getElementById(elementid);
+            if (!element) {
+                // Some elements (e.g. static) don't have a form field.
+                // Hence there is no validation. So, no setup required here.
+                return;
+            }
+
+            element.addEventListener(FormEvent.eventTypes.formFieldValidationFailed, e => {
+                const msg = e.detail.message;
+                e.preventDefault();
+
+                var parent = $(element).closest('.fitem');
+                var feedback = parent.find('.form-control-feedback');
+                const feedbackId = feedback.attr('id');
+
+                // Get current aria-describedby value.
+                let describedBy = $(element).attr('aria-describedby');
+                if (typeof describedBy === "undefined") {
+                    describedBy = '';
+                }
+                // Split aria-describedby attribute into an array of IDs if necessary.
+                let describedByIds = [];
+                if (describedBy.length) {
+                    describedByIds = describedBy.split(" ");
+                }
+                // Find the the feedback container in the aria-describedby attribute.
+                const feedbackIndex = describedByIds.indexOf(feedbackId);
+
+                // Sometimes (atto) we have a hidden textarea backed by a real contenteditable div.
+                if (($(element).prop("tagName") == 'TEXTAREA') && parent.find('[contenteditable]').length > 0) {
+                    element = parent.find('[contenteditable]');
+                }
+                if (msg !== '') {
+                    parent.addClass('has-danger');
+                    parent.data('client-validation-error', true);
+                    $(element).addClass('is-invalid');
+                    // Append the feedback ID to the aria-describedby attribute if it doesn't exist yet.
+                    if (feedbackIndex === -1) {
+                        describedByIds.push(feedbackId);
+                        $(element).attr('aria-describedby', describedByIds.join(" "));
+                    }
+                    $(element).attr('aria-invalid', true);
+                    feedback.html(msg);
+                    feedback.show();
+
+                    // If we haven't focused anything yet, focus this one.
+                    if (!focusedAlready) {
+                        element.scrollIntoView({behavior: "smooth", block: "center"});
+                        focusedAlready = true;
+                        setTimeout(()=> {
+                            // Actual focus happens later in case we need to do this in response to
+                            // a change event which happens in the middle of changing focus.
+                            element.focus({preventScroll: true});
+                            // Let it focus again next time they submit the form.
+                            focusedAlready = false;
+                        }, 0);
+                    }
+
+                } else {
+                    if (parent.data('client-validation-error') === true) {
+                        parent.removeClass('has-danger');
+                        parent.data('client-validation-error', false);
+                        $(element).removeClass('is-invalid');
+                        // If the aria-describedby attribute contains the error container's ID, remove it.
+                        if (feedbackIndex > -1) {
+                            describedByIds.splice(feedbackIndex, 1);
+                        }
+                        // Check the remaining element IDs in the aria-describedby attribute.
+                        if (describedByIds.length) {
+                            // If there's at least one, combine them with a blank space and update the aria-describedby attribute.
+                            describedBy = describedByIds.join(" ");
+                            // Put back the new describedby attribute.
+                            $(element).attr('aria-describedby', describedBy);
+                        } else {
+                            // If there's none, remove the aria-describedby attribute.
+                            $(element).removeAttr('aria-describedby');
+                        }
+                        $(element).attr('aria-invalid', false);
+                        feedback.hide();
+                    }
+                }
+            });
+
+            var form = element.closest('form');
+            if (form && !('boostFormErrorsEnhanced' in form.dataset)) {
+                form.addEventListener('submit', function() {
+                    var visibleError = $('.form-control-feedback:visible');
+                    if (visibleError.length) {
+                        visibleError[0].focus();
+                    }
+                });
+                form.dataset.boostFormErrorsEnhanced = 1;
+            }
+        }
+    };
+});

theme/boost/amd/src/index.js

@@ -0,0 +1,19 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): index.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+export { default as Alert } from './bootstrap/alert'
+export { default as Button } from './bootstrap/button'
+export { default as Carousel } from './bootstrap/carousel'
+export { default as Collapse } from './bootstrap/collapse'
+export { default as Dropdown } from './bootstrap/dropdown'
+export { default as Modal } from './bootstrap/modal'
+export { default as Popover } from './bootstrap/popover'
+export { default as Scrollspy } from './bootstrap/scrollspy'
+export { default as Tab } from './bootstrap/tab'
+export { default as Toast } from './bootstrap/toast'
+export { default as Tooltip } from './bootstrap/tooltip'
+export { default as Util } from './bootstrap/util'

theme/boost/amd/src/loader.js

@@ -0,0 +1,139 @@
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Template renderer for Moodle. Load and render Moodle templates with Mustache.
+ *
+ * @module     theme_boost/loader
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      2.9
+ */
+
+import $ from 'jquery';
+import * as Aria from './aria';
+import Bootstrap from './index';
+import Pending from 'core/pending';
+import {DefaultWhitelist} from './bootstrap/tools/sanitizer';
+import setupBootstrapPendingChecks from './pending';
+
+/**
+ * Rember the last visited tabs.
+ */
+const rememberTabs = () => {
+    $('a[data-toggle="tab"]').on('shown.bs.tab', function(e) {
+        var hash = $(e.target).attr('href');
+        if (history.replaceState) {
+            history.replaceState(null, null, hash);
+        } else {
+            location.hash = hash;
+        }
+    });
+    const hash = window.location.hash;
+    if (hash) {
+        const tab = document.querySelector('[role="tablist"] [href="' + hash + '"]');
+        if (tab) {
+            tab.click();
+        }
+    }
+};
+
+/**
+ * Enable all popovers
+ *
+ */
+const enablePopovers = () => {
+    $('body').popover({
+        container: 'body',
+        selector: '[data-toggle="popover"]',
+        trigger: 'focus',
+        whitelist: Object.assign(DefaultWhitelist, {
+            table: [],
+            thead: [],
+            tbody: [],
+            tr: [],
+            th: [],
+            td: [],
+        }),
+    });
+
+    document.addEventListener('keydown', e => {
+        if (e.key === 'Escape' && e.target.closest('[data-toggle="popover"]')) {
+            $(e.target).popover('hide');
+        }
+    });
+};
+
+/**
+ * Enable tooltips
+ *
+ */
+const enableTooltips = () => {
+    $('body').tooltip({
+        container: 'body',
+        selector: '[data-toggle="tooltip"]',
+    });
+};
+
+const pendingPromise = new Pending('theme_boost/loader:init');
+
+// Add pending promise event listeners to relevant Bootstrap custom events.
+setupBootstrapPendingChecks();
+
+// Setup Aria helpers for Bootstrap features.
+Aria.init();
+
+// Remember the last visited tabs.
+rememberTabs();
+
+// Enable all popovers.
+enablePopovers();
+
+// Enable all tooltips.
+enableTooltips();
+
+// Disables flipping the dropdowns up or dynamically repositioning them along the Y-axis (based on the viewport)
+// to prevent the dropdowns getting hidden behind the navbar or them covering the trigger element.
+$.fn.dropdown.Constructor.Default.popperConfig = {
+    modifiers: {
+        flip: {
+            enabled: false,
+        },
+        storeTopPosition: {
+            enabled: true,
+            // eslint-disable-next-line no-unused-vars
+            fn(data, options) {
+                data.storedTop = data.offsets.popper.top;
+                return data;
+            },
+            order: 299
+        },
+        restoreTopPosition: {
+            enabled: true,
+            // eslint-disable-next-line no-unused-vars
+            fn(data, options) {
+                data.offsets.popper.top = data.storedTop;
+                return data;
+            },
+            order: 301
+        }
+    },
+};
+
+pendingPromise.resolve();
+
+export {
+    Bootstrap,
+};

theme/boost/amd/src/pending.js

@@ -0,0 +1,133 @@
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Add Pending JS checks to stock Bootstrap transitions.
+ *
+ * @module     theme_boost/pending
+ * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+import jQuery from 'jquery';
+const moduleTransitions = {
+    alert: [
+        // Alert.
+        {
+            start: 'close',
+            end: 'closed',
+        },
+    ],
+
+    carousel: [
+        {
+            start: 'slide',
+            end: 'slid',
+        },
+    ],
+
+    collapse: [
+        {
+            start: 'hide',
+            end: 'hidden',
+        },
+        {
+            start: 'show',
+            end: 'shown',
+        },
+    ],
+
+    dropdown: [
+        {
+            start: 'hide',
+            end: 'hidden',
+        },
+        {
+            start: 'show',
+            end: 'shown',
+        },
+    ],
+
+    modal: [
+        {
+            start: 'hide',
+            end: 'hidden',
+        },
+        {
+            start: 'show',
+            end: 'shown',
+        },
+    ],
+
+    popover: [
+        {
+            start: 'hide',
+            end: 'hidden',
+        },
+        {
+            start: 'show',
+            end: 'shown',
+        },
+    ],
+
+    tab: [
+        {
+            start: 'hide',
+            end: 'hidden',
+        },
+        {
+            start: 'show',
+            end: 'shown',
+        },
+    ],
+
+    toast: [
+        {
+            start: 'hide',
+            end: 'hidden',
+        },
+        {
+            start: 'show',
+            end: 'shown',
+        },
+    ],
+
+    tooltip: [
+        {
+            start: 'hide',
+            end: 'hidden',
+        },
+        {
+            start: 'show',
+            end: 'shown',
+        },
+    ],
+};
+
+export default () => {
+    Object.entries(moduleTransitions).forEach(([key, pairs]) => {
+        pairs.forEach(pair => {
+            const eventStart = `${pair.start}.bs.${key}`;
+            const eventEnd = `${pair.end}.bs.${key}`;
+            jQuery(document.body).on(eventStart, e => {
+                M.util.js_pending(eventEnd);
+                jQuery(e.target).one(eventEnd, () => {
+                    M.util.js_complete(eventEnd);
+                });
+            });
+
+        });
+    });
+};

theme/boost/amd/src/popover.js

@@ -0,0 +1,28 @@
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Backward compatibility file for the old popover.js
+ *
+ * @module     theme_boost/popover
+ * @copyright  2020 Bas Brands <bas@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+import Popover from './bootstrap/popover';
+
+export {
+    Popover
+};

theme/boost/amd/src/sticky-footer.js

@@ -0,0 +1,136 @@
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Sticky footer module.
+ *
+ * @module     theme_boost/sticky-footer
+ * @copyright  2022 Ferran Recio <ferran@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+import Pending from 'core/pending';
+import {registerManager, init as defaultInit} from 'core/sticky-footer';
+
+const SELECTORS = {
+    STICKYFOOTER: '.stickyfooter',
+    PAGE: '#page',
+};
+
+const CLASSES = {
+    HASSTICKYFOOTER: 'hasstickyfooter',
+};
+
+let initialized = false;
+
+let previousScrollPosition = 0;
+
+let enabled = false;
+
+/**
+ * Scroll handler.
+ * @package
+ */
+const scrollSpy = () => {
+    if (!enabled) {
+        return;
+    }
+    // Ignore scroll if page size is not small.
+    if (document.body.clientWidth >= 768) {
+        return;
+    }
+    // Detect if scroll is going down.
+    let scrollPosition = window.scrollY;
+    if (scrollPosition > previousScrollPosition) {
+        hideStickyFooter();
+    } else {
+        showStickyFooter();
+    }
+    previousScrollPosition = scrollPosition;
+};
+
+/**
+ * Return if the sticky footer must be enabled by default or not.
+ * @returns {Boolean} true if the sticky footer is enabled automatic.
+ */
+const isDisabledByDefault = () => {
+    const footer = document.querySelector(SELECTORS.STICKYFOOTER);
+    if (!footer) {
+        return false;
+    }
+    return !!footer.dataset.disable;
+};
+
+/**
+ * Show the sticky footer in the page.
+ */
+const showStickyFooter = () => {
+    // We need some seconds to make sure the CSS animation is ready.
+    const pendingPromise = new Pending('theme_boost/sticky-footer:enabling');
+    const footer = document.querySelector(SELECTORS.STICKYFOOTER);
+    const page = document.querySelector(SELECTORS.PAGE);
+    if (footer && page) {
+        document.body.classList.add(CLASSES.HASSTICKYFOOTER);
+        page.classList.add(CLASSES.HASSTICKYFOOTER);
+    }
+    setTimeout(() => pendingPromise.resolve(), 1000);
+};
+
+/**
+ * Hide the sticky footer in the page.
+ */
+const hideStickyFooter = () => {
+    document.body.classList.remove(CLASSES.HASSTICKYFOOTER);
+    const page = document.querySelector(SELECTORS.PAGE);
+    page?.classList.remove(CLASSES.HASSTICKYFOOTER);
+};
+
+/**
+ * Enable sticky footer in the page.
+ */
+export const enableStickyFooter = () => {
+    enabled = true;
+    showStickyFooter();
+};
+
+/**
+ * Disable sticky footer in the page.
+ */
+export const disableStickyFooter = () => {
+    enabled = false;
+    hideStickyFooter();
+};
+
+/**
+ * Initialize the module.
+ */
+export const init = () => {
+    // Prevent sticky footer in behat.
+    if (initialized || document.body.classList.contains('behat-site')) {
+        defaultInit();
+        return;
+    }
+    initialized = true;
+    if (!isDisabledByDefault()) {
+        enableStickyFooter();
+    }
+
+    document.addEventListener("scroll", scrollSpy);
+
+    registerManager({
+        enableStickyFooter,
+        disableStickyFooter,
+    });
+};

theme/boost/amd/src/toast.js

@@ -0,0 +1,28 @@
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Backward compatibility file for the old toast.js
+ *
+ * @module     theme_boost/toast
+ * @copyright  2020 Bas Brands <bas@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+import Toast from './bootstrap/toast';
+
+export {
+    Toast
+};

theme/boost/classes/admin_settingspage_tabs.php

@@ -0,0 +1,100 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * @package   theme_boost
+ * @copyright 2016 Ryan Wyllie
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * @package   theme_boost
+ * @copyright 2016 Ryan Wyllie
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class theme_boost_admin_settingspage_tabs extends admin_settingpage {
+
+    /** @var The tabs */
+    protected $tabs = array();
+
+    /**
+     * Add a tab.
+     *
+     * @param admin_settingpage $tab A tab.
+     */
+    public function add_tab(admin_settingpage $tab) {
+        foreach ($tab->settings as $setting) {
+            $this->settings->{$setting->name} = $setting;
+        }
+        $this->tabs[] = $tab;
+        return true;
+    }
+
+    public function add($tab) {
+        return $this->add_tab($tab);
+    }
+
+    /**
+     * Get tabs.
+     *
+     * @return array
+     */
+    public function get_tabs() {
+        return $this->tabs;
+    }
+
+    /**
+     * Generate the HTML output.
+     *
+     * @return string
+     */
+    public function output_html() {
+        global $OUTPUT;
+
+        $activetab = optional_param('activetab', '', PARAM_TEXT);
+        $context = array('tabs' => array());
+        $havesetactive = false;
+
+        foreach ($this->get_tabs() as $tab) {
+            $active = false;
+
+            // Default to first tab it not told otherwise.
+            if (empty($activetab) && !$havesetactive) {
+                $active = true;
+                $havesetactive = true;
+            } else if ($activetab === $tab->name) {
+                $active = true;
+            }
+
+            $context['tabs'][] = array(
+                'name' => $tab->name,
+                'displayname' => $tab->visiblename,
+                'html' => $tab->output_html(),
+                'active' => $active,
+            );
+        }
+
+        if (empty($context['tabs'])) {
+            return '';
+        }
+
+        return $OUTPUT->render_from_template('theme_boost/admin_setting_tabs', $context);
+    }
+
+}
+

theme/boost/classes/autoprefixer.php

@@ -0,0 +1,252 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Autoprefixer.
+ *
+ * This autoprefixer has been developed to satisfy the basic needs of the
+ * theme Boost when working with Bootstrap 4 alpha. We do not recommend
+ * that this tool is shared, nor used outside of this theme.
+ *
+ * @package    theme_boost
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace theme_boost;
+defined('MOODLE_INTERNAL') || die();
+
+use Sabberworm\CSS\CSSList\CSSList;
+use Sabberworm\CSS\CSSList\Document;
+use Sabberworm\CSS\CSSList\KeyFrame;
+use Sabberworm\CSS\OutputFormat;
+use Sabberworm\CSS\Parser;
+use Sabberworm\CSS\Property\AtRule;
+use Sabberworm\CSS\Property\Selector;
+use Sabberworm\CSS\Rule\Rule;
+use Sabberworm\CSS\RuleSet\AtRuleSet;
+use Sabberworm\CSS\RuleSet\DeclarationBlock;
+use Sabberworm\CSS\RuleSet\RuleSet;
+use Sabberworm\CSS\Settings;
+use Sabberworm\CSS\Value\CSSFunction;
+use Sabberworm\CSS\Value\CSSString;
+use Sabberworm\CSS\Value\PrimitiveValue;
+use Sabberworm\CSS\Value\RuleValueList;
+use Sabberworm\CSS\Value\Size;
+use Sabberworm\CSS\Value\ValueList;
+
+
+/**
+ * Autoprefixer class.
+ *
+ * Very basic implementation covering simple needs for Bootstrap 4.
+ *
+ * @package    theme_boost
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class autoprefixer {
+
+    /** @var object The CSS tree. */
+    protected $tree;
+
+    /** @var string Pseudo classes regex. */
+    protected $pseudosregex;
+
+    /** @var array At rules prefixes. */
+    protected static $atrules = [
+        'keyframes' => ['-webkit-', '-o-']
+    ];
+
+    /** @var array Pseudo classes prefixes. */
+    protected static $pseudos = [
+        '::placeholder' => ['::-webkit-input-placeholder', '::-moz-placeholder', ':-ms-input-placeholder']
+    ];
+
+    /** @var array Rule properties prefixes. */
+    protected static $rules = [
+        'animation' => ['-webkit-'],
+        'appearance' => ['-webkit-', '-moz-'],
+        'backface-visibility' => ['-webkit-'],
+        'box-sizing' => ['-webkit-'],
+        'box-shadow' => ['-webkit-'],
+        'background-clip' => ['-webkit-'],
+        'background-size' => ['-webkit-'],
+        'box-shadow' => ['-webkit-'],
+        'column-count' => ['-webkit-', '-moz-'],
+        'column-gap' => ['-webkit-', '-moz-'],
+        'perspective' => ['-webkit-'],
+        'touch-action' => ['-ms-'],
+        'transform' => ['-webkit-', '-moz-', '-ms-', '-o-'],
+        'transition' => ['-webkit-', '-o-'],
+        'transition-timing-function' => ['-webkit-', '-o-'],
+        'transition-duration' => ['-webkit-', '-o-'],
+        'transition-property' => ['-webkit-', '-o-'],
+        'user-select' => ['-webkit-', '-moz-', '-ms-'],
+    ];
+
+    /**
+     * Constructor.
+     *
+     * @param Document $tree The CSS tree.
+     */
+    public function __construct(Document $tree) {
+        debugging('theme_boost\autoprefixer() is deprecated. Required prefixes for Bootstrap ' .
+            'are now in theme/boost/scss/moodle/prefixes.scss', DEBUG_DEVELOPER);
+        $this->tree = $tree;
+
+        $pseudos = array_map(function($pseudo) {
+            return '(' . preg_quote($pseudo) . ')';
+        }, array_keys(self::$pseudos));
+        $this->pseudosregex = '(' . implode('|', $pseudos) . ')';
+    }
+
+    /**
+     * Manipulate an array of rules to adapt their values.
+     *
+     * @param array $rules The rules.
+     * @return New array of rules.
+     */
+    protected function manipulateRuleValues(array $rules) {
+        $finalrules = [];
+
+        foreach ($rules as $rule) {
+            $property = $rule->getRule();
+            $value = $rule->getValue();
+
+            if ($property === 'position' && $value === 'sticky') {
+                $newrule = clone $rule;
+                $newrule->setValue('-webkit-sticky');
+                $finalrules[] = $newrule;
+
+            } else if ($property === 'background-image' &&
+                    $value instanceof CSSFunction &&
+                    $value->getName() === 'linear-gradient') {
+
+                foreach (['-webkit-', '-o-'] as $prefix) {
+                    $newfunction = clone $value;
+                    $newfunction->setName($prefix . $value->getName());
+                    $newrule = clone $rule;
+                    $newrule->setValue($newfunction);
+                    $finalrules[] = $newrule;
+                }
+            }
+
+            $finalrules[] = $rule;
+        }
+
+        return $finalrules;
+    }
+
+    /**
+     * Prefix all the things!
+     */
+    public function prefix() {
+        $this->processBlock($this->tree);
+    }
+
+    /**
+     * Process block.
+     *
+     * @param object $block A block.
+     * @param object $parent The parent of the block.
+     */
+    protected function processBlock($block) {
+        foreach ($block->getContents() as $node) {
+            if ($node instanceof AtRule) {
+
+                $name = $node->atRuleName();
+                if (isset(self::$atrules[$name])) {
+                    foreach (self::$atrules[$name] as $prefix) {
+                        $newname = $prefix . $name;
+                        $newnode = clone $node;
+
+                        if ($node instanceof KeyFrame) {
+                            $newnode->setVendorKeyFrame($newname);
+                            $block->insert($newnode, $node);
+
+                        } else {
+                            debugging('Unhandled atRule prefixing.', DEBUG_DEVELOPER);
+                        }
+                    }
+                }
+            }
+
+            if ($node instanceof CSSList) {
+                $this->processBlock($node);
+
+            } else if ($node instanceof RuleSet) {
+                $this->processDeclaration($node, $block);
+            }
+        }
+    }
+
+    /**
+     * Process declaration.
+     *
+     * @param object $node The declaration block.
+     * @param object $parent The parent.
+     */
+    protected function processDeclaration($node, $parent) {
+        $rules = [];
+
+        foreach ($node->getRules() as $key => $rule) {
+            $name = $rule->getRule();
+            $seen[$name] = true;
+
+            if (!isset(self::$rules[$name])) {
+                $rules[] = $rule;
+                continue;
+            }
+
+            foreach (self::$rules[$name] as $prefix) {
+                $newname = $prefix . $name;
+                if (isset($seen[$newname])) {
+                    continue;
+                }
+                $newrule = clone $rule;
+                $newrule->setRule($newname);
+                $rules[] = $newrule;
+            }
+
+            $rules[] = $rule;
+        }
+
+        $node->setRules($this->manipulateRuleValues($rules));
+
+        if ($node instanceof DeclarationBlock) {
+            $selectors = $node->getSelectors();
+            foreach ($selectors as $key => $selector) {
+
+                $matches = [];
+                if (preg_match($this->pseudosregex, $selector->getSelector(), $matches)) {
+
+                    $newnode = clone $node;
+                    foreach (self::$pseudos[$matches[1]] as $newpseudo) {
+                        $newselector = new Selector(str_replace($matches[1], $newpseudo, $selector->getSelector()));
+                        $selectors[$key] = $newselector;
+                        $newnode = clone $node;
+                        $newnode->setSelectors($selectors);
+                        $parent->insert($newnode, $node);
+                    }
+
+                    // We're only expecting one affected pseudo class per block.
+                    break;
+                }
+            }
+        }
+    }
+}

theme/boost/classes/boostnavbar.php

@@ -0,0 +1,341 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+namespace theme_boost;
+
+use core\navigation\views\view;
+use navigation_node;
+use moodle_url;
+use action_link;
+use lang_string;
+
+/**
+ * Creates a navbar for boost that allows easy control of the navbar items.
+ *
+ * @package    theme_boost
+ * @copyright  2021 Adrian Greeve <adrian@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class boostnavbar implements \renderable {
+
+    /** @var array The individual items of the navbar. */
+    protected $items = [];
+    /** @var moodle_page The current moodle page. */
+    protected $page;
+
+    /**
+     * Takes a navbar object and picks the necessary parts for display.
+     *
+     * @param \moodle_page $page The current moodle page.
+     */
+    public function __construct(\moodle_page $page) {
+        $this->page = $page;
+        foreach ($this->page->navbar->get_items() as $item) {
+            $this->items[] = $item;
+        }
+        $this->prepare_nodes_for_boost();
+    }
+
+    /**
+     * Prepares the navigation nodes for use with boost.
+     */
+    protected function prepare_nodes_for_boost(): void {
+        global $PAGE;
+
+        // Remove the navbar nodes that already exist in the primary navigation menu.
+        $this->remove_items_that_exist_in_navigation($PAGE->primarynav);
+
+        // Defines whether section items with an action should be removed by default.
+        $removesections = true;
+
+        if ($this->page->context->contextlevel == CONTEXT_COURSECAT) {
+            // Remove the 'Permissions' navbar node in the Check permissions page.
+            if ($this->page->pagetype === 'admin-roles-check') {
+                $this->remove('permissions');
+            }
+        }
+        if ($this->page->context->contextlevel == CONTEXT_COURSE) {
+            // Remove any duplicate navbar nodes.
+            $this->remove_duplicate_items();
+            // Remove 'My courses' and 'Courses' if we are in the course context.
+            $this->remove('mycourses');
+            $this->remove('courses');
+            // Remove the course category breadcrumb nodes.
+            foreach ($this->items as $key => $item) {
+                // Remove if it is a course category breadcrumb node.
+                $this->remove($item->key, \breadcrumb_navigation_node::TYPE_CATEGORY);
+            }
+            // Remove the course breadcrumb node.
+            if (!str_starts_with($this->page->pagetype, 'course-view-section-')) {
+                $this->remove($this->page->course->id, \breadcrumb_navigation_node::TYPE_COURSE);
+            }
+            // Remove the navbar nodes that already exist in the secondary navigation menu.
+            $this->remove_items_that_exist_in_navigation($PAGE->secondarynav);
+
+            switch ($this->page->pagetype) {
+                case 'group-groupings':
+                case 'group-grouping':
+                case 'group-overview':
+                case 'group-assign':
+                    // Remove the 'Groups' navbar node in the Groupings, Grouping, group Overview and Assign pages.
+                    $this->remove('groups');
+                case 'backup-backup':
+                case 'backup-restorefile':
+                case 'backup-copy':
+                case 'course-reset':
+                    // Remove the 'Import' navbar node in the Backup, Restore, Copy course and Reset pages.
+                    $this->remove('import');
+                case 'course-user':
+                    $this->remove('mygrades');
+                    $this->remove('grades');
+            }
+        }
+
+        // Remove 'My courses' if we are in the module context.
+        if ($this->page->context->contextlevel == CONTEXT_MODULE) {
+            $this->remove('mycourses');
+            $this->remove('courses');
+            // Remove the course category breadcrumb nodes.
+            foreach ($this->items as $key => $item) {
+                // Remove if it is a course category breadcrumb node.
+                $this->remove($item->key, \breadcrumb_navigation_node::TYPE_CATEGORY);
+            }
+            $courseformat = course_get_format($this->page->course);
+            $removesections = $courseformat->can_sections_be_removed_from_navigation();
+            if ($removesections) {
+                // If the course sections are removed, we need to add the anchor of current section to the Course.
+                $coursenode = $this->get_item($this->page->course->id);
+                if (!is_null($coursenode) && $this->page->cm->sectionnum !== null) {
+                    $coursenode->action = course_get_format($this->page->course)->get_view_url($this->page->cm->sectionnum);
+                }
+            }
+        }
+
+        if ($this->page->context->contextlevel == CONTEXT_SYSTEM) {
+            // Remove the navbar nodes that already exist in the secondary navigation menu.
+            $this->remove_items_that_exist_in_navigation($PAGE->secondarynav);
+        }
+
+        // Set the designated one path for courses.
+        $mycoursesnode = $this->get_item('mycourses');
+        if (!is_null($mycoursesnode)) {
+            $url = new \moodle_url('/my/courses.php');
+            $mycoursesnode->action = $url;
+            $mycoursesnode->text = get_string('mycourses');
+        }
+
+        $this->remove_no_link_items($removesections);
+
+        // Don't display the navbar if there is only one item. Apparently this is bad UX design.
+        if ($this->item_count() <= 1) {
+            $this->clear_items();
+            return;
+        }
+
+        // Make sure that the last item is not a link. Not sure if this is always a good idea.
+        $this->remove_last_item_action();
+    }
+
+    /**
+     * Get all the boostnavbaritem elements.
+     *
+     * @return boostnavbaritem[] Boost navbar items.
+     */
+    public function get_items(): array {
+        return $this->items;
+    }
+
+    /**
+     * Removes all navigation items out of this boost navbar
+     */
+    protected function clear_items(): void {
+        $this->items = [];
+    }
+
+    /**
+     * Retrieve a single navbar item.
+     *
+     * @param  string|int $key The identifier of the navbar item to return.
+     * @return \breadcrumb_navigation_node|null The navbar item.
+     */
+    protected function get_item($key): ?\breadcrumb_navigation_node {
+        foreach ($this->items as $item) {
+            if ($key === $item->key) {
+                return $item;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Counts all of the navbar items.
+     *
+     * @return int How many navbar items there are.
+     */
+    protected function item_count(): int {
+        return count($this->items);
+    }
+
+    /**
+     * Remove a boostnavbaritem from the boost navbar.
+     *
+     * @param  string|int $itemkey An identifier for the boostnavbaritem
+     * @param  int|null $itemtype An additional type identifier for the boostnavbaritem (optional)
+     */
+    protected function remove($itemkey, ?int $itemtype = null): void {
+
+        $itemfound = false;
+        foreach ($this->items as $key => $item) {
+            if ($item->key === $itemkey) {
+                // If a type identifier is also specified, check whether the type of the breadcrumb item matches the
+                // specified type. Skip if types to not match.
+                if (!is_null($itemtype) && $item->type !== $itemtype) {
+                    continue;
+                }
+                unset($this->items[$key]);
+                $itemfound = true;
+                break;
+            }
+        }
+        if (!$itemfound) {
+            return;
+        }
+
+        $itemcount = $this->item_count();
+        if ($itemcount <= 0) {
+            return;
+        }
+
+        $this->items = array_values($this->items);
+        // Set the last item to last item if it is not.
+        $lastitem = $this->items[$itemcount - 1];
+        if (!$lastitem->is_last()) {
+            $lastitem->set_last(true);
+        }
+    }
+
+    /**
+     * Removes the action from the last item of the boostnavbaritem.
+     */
+    protected function remove_last_item_action(): void {
+        $item = end($this->items);
+        $item->action = null;
+        reset($this->items);
+    }
+
+    /**
+     * Returns the second last navbar item. This is for use in the mobile view where we are showing just the second
+     * last item in the breadcrumb navbar.
+     *
+     * @return breakcrumb_navigation_node|null The second last navigation node.
+     */
+    public function get_penultimate_item(): ?\breadcrumb_navigation_node {
+        $number = $this->item_count() - 2;
+        return ($number >= 0) ? $this->items[$number] : null;
+    }
+
+    /**
+     * Remove items that have no actions associated with them and optionally remove items that are sections.
+     *
+     * The only exception is the last item in the list which may not have a link but needs to be displayed.
+     *
+     * @param bool $removesections Whether section items should be also removed (only applies when they have an action)
+     */
+    protected function remove_no_link_items(bool $removesections = true): void {
+        foreach ($this->items as $key => $value) {
+            if (!$value->is_last() &&
+                    (!$value->has_action() || ($value->type == \navigation_node::TYPE_SECTION && $removesections))) {
+                unset($this->items[$key]);
+            }
+        }
+        $this->items = array_values($this->items);
+    }
+
+    /**
+     * Remove breadcrumb items that already exist in a given navigation view.
+     *
+     * This method removes the breadcrumb items that have a text => action match in a given navigation view
+     * (primary or secondary).
+     *
+     * @param view $navigationview The navigation view object.
+     */
+    protected function remove_items_that_exist_in_navigation(view $navigationview): void {
+        // Loop through the navigation view items and create a 'text' => 'action' array which will be later used
+        // to compare whether any of the breadcrumb items matches these pairs.
+        $navigationviewitems = [];
+        foreach ($navigationview->children as $child) {
+            list($childtext, $childaction) = $this->get_node_text_and_action($child);
+            if ($childaction) {
+                $navigationviewitems[$childtext] = $childaction;
+            }
+        }
+        // Loop through the breadcrumb items and if the item's 'text' and 'action' values matches with any of the
+        // existing navigation view items, remove it from the breadcrumbs.
+        foreach ($this->items as $item) {
+            list($itemtext, $itemaction) = $this->get_node_text_and_action($item);
+            if ($itemaction) {
+                if (array_key_exists($itemtext, $navigationviewitems) &&
+                        $navigationviewitems[$itemtext] === $itemaction) {
+                    $this->remove($item->key);
+                }
+            }
+        }
+    }
+
+    /**
+     * Remove duplicate breadcrumb items.
+     *
+     * This method looks for breadcrumb items that have identical text and action values and removes the first item.
+     */
+    protected function remove_duplicate_items(): void {
+        $taken = [];
+        // Reverse the order of the items before filtering so that the first occurrence is removed instead of the last.
+        $filtereditems = array_values(array_filter(array_reverse($this->items), function($item) use (&$taken) {
+            list($itemtext, $itemaction) = $this->get_node_text_and_action($item);
+            if ($itemaction) {
+                if (array_key_exists($itemtext, $taken) && $taken[$itemtext] === $itemaction) {
+                    return false;
+                }
+                $taken[$itemtext] = $itemaction;
+            }
+            return true;
+        }));
+        // Reverse back the order.
+        $this->items = array_reverse($filtereditems);
+    }
+
+    /**
+     * Helper function that returns an array of the text and the outputted action url (if exists) for a given
+     * navigation node.
+     *
+     * @param navigation_node $node The navigation node object.
+     * @return array
+     */
+    protected function get_node_text_and_action(navigation_node $node): array {
+        $text = $node->text instanceof lang_string ? $node->text->out() : $node->text;
+        $action = null;
+        if ($node->has_action()) {
+            if ($node->action instanceof moodle_url) {
+                $action = $node->action->out();
+            } else if ($node->action instanceof action_link) {
+                $action = $node->action->url->out();
+            } else {
+                $action = $node->action;
+            }
+        }
+        return [$text, $action];
+    }
+}

theme/boost/classes/output/core_renderer.php

@@ -0,0 +1,254 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+namespace theme_boost\output;
+
+use moodle_url;
+use html_writer;
+use get_string;
+
+defined('MOODLE_INTERNAL') || die;
+
+/**
+ * Renderers to align Moodle's HTML with that expected by Bootstrap
+ *
+ * @package    theme_boost
+ * @copyright  2012 Bas Brands, www.basbrands.nl
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class core_renderer extends \core_renderer {
+
+    /**
+     * Returns HTML to display a "Turn editing on/off" button in a form.
+     *
+     * @param moodle_url $url The URL + params to send through when clicking the button
+     * @param string $method
+     * @return string HTML the button
+     */
+    public function edit_button(moodle_url $url, string $method = 'post') {
+        if ($this->page->theme->haseditswitch) {
+            return;
+        }
+        $url->param('sesskey', sesskey());
+        if ($this->page->user_is_editing()) {
+            $url->param('edit', 'off');
+            $editstring = get_string('turneditingoff');
+        } else {
+            $url->param('edit', 'on');
+            $editstring = get_string('turneditingon');
+        }
+        $button = new \single_button($url, $editstring, $method, \single_button::BUTTON_PRIMARY);
+        return $this->render_single_button($button);
+    }
+
+    /**
+     * Renders the "breadcrumb" for all pages in boost.
+     *
+     * @return string the HTML for the navbar.
+     */
+    public function navbar(): string {
+        $newnav = new \theme_boost\boostnavbar($this->page);
+        return $this->render_from_template('core/navbar', $newnav);
+    }
+
+    /**
+     * Renders the context header for the page.
+     *
+     * @param array $headerinfo Heading information.
+     * @param int $headinglevel What 'h' level to make the heading.
+     * @return string A rendered context header.
+     */
+    public function context_header($headerinfo = null, $headinglevel = 1): string {
+        global $DB, $USER, $CFG;
+        require_once($CFG->dirroot . '/user/lib.php');
+        $context = $this->page->context;
+        $heading = null;
+        $imagedata = null;
+        $userbuttons = null;
+
+        // Make sure to use the heading if it has been set.
+        if (isset($headerinfo['heading'])) {
+            $heading = $headerinfo['heading'];
+        } else {
+            $heading = $this->page->heading;
+        }
+
+        // The user context currently has images and buttons. Other contexts may follow.
+        if ((isset($headerinfo['user']) || $context->contextlevel == CONTEXT_USER) && $this->page->pagetype !== 'my-index') {
+            if (isset($headerinfo['user'])) {
+                $user = $headerinfo['user'];
+            } else {
+                // Look up the user information if it is not supplied.
+                $user = $DB->get_record('user', array('id' => $context->instanceid));
+            }
+
+            // If the user context is set, then use that for capability checks.
+            if (isset($headerinfo['usercontext'])) {
+                $context = $headerinfo['usercontext'];
+            }
+
+            // Only provide user information if the user is the current user, or a user which the current user can view.
+            // When checking user_can_view_profile(), either:
+            // If the page context is course, check the course context (from the page object) or;
+            // If page context is NOT course, then check across all courses.
+            $course = ($this->page->context->contextlevel == CONTEXT_COURSE) ? $this->page->course : null;
+
+            if (user_can_view_profile($user, $course)) {
+                // Use the user's full name if the heading isn't set.
+                if (empty($heading)) {
+                    $heading = fullname($user);
+                }
+
+                $imagedata = $this->user_picture($user, array('size' => 100));
+
+                // Check to see if we should be displaying a message button.
+                if (!empty($CFG->messaging) && has_capability('moodle/site:sendmessage', $context)) {
+                    $userbuttons = array(
+                        'messages' => array(
+                            'buttontype' => 'message',
+                            'title' => get_string('message', 'message'),
+                            'url' => new moodle_url('/message/index.php', array('id' => $user->id)),
+                            'image' => 'message',
+                            'linkattributes' => \core_message\helper::messageuser_link_params($user->id),
+                            'page' => $this->page
+                        )
+                    );
+
+                    if ($USER->id != $user->id) {
+                        $iscontact = \core_message\api::is_contact($USER->id, $user->id);
+                        $isrequested = \core_message\api::get_contact_requests_between_users($USER->id, $user->id);
+                        $contacturlaction = '';
+                        $linkattributes = \core_message\helper::togglecontact_link_params(
+                            $user,
+                            $iscontact,
+                            true,
+                            !empty($isrequested),
+                        );
+                        // If the user is not a contact.
+                        if (!$iscontact) {
+                            if ($isrequested) {
+                                // We just need the first request.
+                                $requests = array_shift($isrequested);
+                                if ($requests->userid == $USER->id) {
+                                    // If the user has requested to be a contact.
+                                    $contacttitle = 'contactrequestsent';
+                                } else {
+                                    // If the user has been requested to be a contact.
+                                    $contacttitle = 'waitingforcontactaccept';
+                                }
+                                $linkattributes = array_merge($linkattributes, [
+                                    'class' => 'disabled',
+                                    'tabindex' => '-1',
+                                ]);
+                            } else {
+                                // If the user is not a contact and has not requested to be a contact.
+                                $contacttitle = 'addtoyourcontacts';
+                                $contacturlaction = 'addcontact';
+                            }
+                            $contactimage = 'addcontact';
+                        } else {
+                            // If the user is a contact.
+                            $contacttitle = 'removefromyourcontacts';
+                            $contacturlaction = 'removecontact';
+                            $contactimage = 'removecontact';
+                        }
+                        $userbuttons['togglecontact'] = array(
+                                'buttontype' => 'togglecontact',
+                                'title' => get_string($contacttitle, 'message'),
+                                'url' => new moodle_url('/message/index.php', array(
+                                        'user1' => $USER->id,
+                                        'user2' => $user->id,
+                                        $contacturlaction => $user->id,
+                                        'sesskey' => sesskey())
+                                ),
+                                'image' => $contactimage,
+                                'linkattributes' => $linkattributes,
+                                'page' => $this->page
+                            );
+                    }
+
+                    $this->page->requires->string_for_js('changesmadereallygoaway', 'moodle');
+                }
+            } else {
+                $heading = null;
+            }
+        }
+
+        $prefix = null;
+        if ($context->contextlevel == CONTEXT_MODULE) {
+            if ($this->page->course->format === 'singleactivity') {
+                $heading = format_string($this->page->course->fullname, true, ['context' => $context]);
+            } else {
+                $heading = $this->page->cm->get_formatted_name();
+                $iconurl = $this->page->cm->get_icon_url();
+                $iconclass = $iconurl->get_param('filtericon') ? '' : 'nofilter';
+                $iconattrs = [
+                    'class' => "icon activityicon $iconclass",
+                    'aria-hidden' => 'true'
+                ];
+                $imagedata = html_writer::img($iconurl->out(false), '', $iconattrs);
+                $purposeclass = plugin_supports('mod', $this->page->activityname, FEATURE_MOD_PURPOSE);
+                $purposeclass .= ' activityiconcontainer icon-size-6';
+                $purposeclass .= ' modicon_' . $this->page->activityname;
+                $isbranded = component_callback('mod_' . $this->page->activityname, 'is_branded', [], false);
+                $imagedata = html_writer::tag('div', $imagedata, ['class' => $purposeclass . ($isbranded ? ' isbranded' : '')]);
+                if (!empty($USER->editing)) {
+                    $prefix = get_string('modulename', $this->page->activityname);
+                }
+            }
+        }
+
+        // Return the heading wrapped in an sr-only element so it is only visible to screen-readers.
+        if (!empty($this->page->layout_options['nocontextheader'])) {
+            return html_writer::div($heading, 'sr-only');
+        }
+
+        $contextheader = new \context_header($heading, $headinglevel, $imagedata, $userbuttons, $prefix);
+        return $this->render($contextheader);
+    }
+
+    /**
+     * See if this is the first view of the current cm in the session if it has fake blocks.
+     *
+     * (We track up to 100 cms so as not to overflow the session.)
+     * This is done for drawer regions containing fake blocks so we can show blocks automatically.
+     *
+     * @return boolean true if the page has fakeblocks and this is the first visit.
+     */
+    public function firstview_fakeblocks(): bool {
+        global $SESSION;
+
+        $firstview = false;
+        if ($this->page->cm) {
+            if (!$this->page->blocks->region_has_fakeblocks('side-pre')) {
+                return false;
+            }
+            if (!property_exists($SESSION, 'firstview_fakeblocks')) {
+                $SESSION->firstview_fakeblocks = [];
+            }
+            if (array_key_exists($this->page->cm->id, $SESSION->firstview_fakeblocks)) {
+                $firstview = false;
+            } else {
+                $SESSION->firstview_fakeblocks[$this->page->cm->id] = true;
+                $firstview = true;
+                if (count($SESSION->firstview_fakeblocks) > 100) {
+                    array_shift($SESSION->firstview_fakeblocks);
+                }
+            }
+        }
+        return $firstview;
+    }
+}

theme/boost/classes/privacy/provider.php

@@ -0,0 +1,98 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Privacy Subsystem implementation for theme_boost.
+ *
+ * @package    theme_boost
+ * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace theme_boost\privacy;
+
+use \core_privacy\local\metadata\collection;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * The boost theme stores a user preference data.
+ *
+ * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class provider implements
+    // This plugin has data.
+    \core_privacy\local\metadata\provider,
+    // This plugin has some sitewide user preferences to export.
+    \core_privacy\local\request\user_preference_provider {
+
+    /** The user preferences for the course index. */
+    const DRAWER_OPEN_INDEX = 'drawer-open-index';
+
+    /** The user preferences for the blocks drawer. */
+    const DRAWER_OPEN_BLOCK = 'drawer-open-block';
+
+    /**
+     * Returns meta data about this system.
+     *
+     * @param  collection $items The initialised item collection to add items to.
+     * @return collection A listing of user data stored through this system.
+     */
+    public static function get_metadata(collection $items): collection {
+        $items->add_user_preference(self::DRAWER_OPEN_INDEX, 'privacy:metadata:preference:draweropenindex');
+        $items->add_user_preference(self::DRAWER_OPEN_BLOCK, 'privacy:metadata:preference:draweropenblock');
+        return $items;
+    }
+
+    /**
+     * Store all user preferences for the plugin.
+     *
+     * @param int $userid The userid of the user whose data is to be exported.
+     */
+    public static function export_user_preferences(int $userid) {
+
+        $draweropenindexpref = get_user_preferences(self::DRAWER_OPEN_INDEX, null, $userid);
+
+        if (isset($draweropenindexpref)) {
+            $preferencestring = get_string('privacy:drawerindexclosed', 'theme_boost');
+            if ($draweropenindexpref == 1) {
+                $preferencestring = get_string('privacy:drawerindexopen', 'theme_boost');
+            }
+            \core_privacy\local\request\writer::export_user_preference(
+                'theme_boost',
+                self::DRAWER_OPEN_INDEX,
+                $draweropenindexpref,
+                $preferencestring
+            );
+        }
+
+        $draweropenblockpref = get_user_preferences(self::DRAWER_OPEN_BLOCK, null, $userid);
+
+        if (isset($draweropenblockpref)) {
+            $preferencestring = get_string('privacy:drawerblockclosed', 'theme_boost');
+            if ($draweropenblockpref == 1) {
+                $preferencestring = get_string('privacy:drawerblockopen', 'theme_boost');
+            }
+            \core_privacy\local\request\writer::export_user_preference(
+                'theme_boost',
+                self::DRAWER_OPEN_BLOCK,
+                $draweropenblockpref,
+                $preferencestring
+            );
+        }
+    }
+}

theme/boost/cli/import-bootswatch.php

@@ -0,0 +1,106 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Used to convert a bootswatch file from https://bootswatch.com/ to a Moodle preset.
+ *
+ * @package    theme_boost
+ * @subpackage cli
+ * @copyright  2016 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+define('CLI_SCRIPT', true);
+
+require(__DIR__.'/../../../config.php');
+require_once($CFG->libdir.'/clilib.php');
+
+$usage = "
+Utility to convert a Bootswatch theme to a Moodle preset compatible with Bootstrap 4.
+
+Download _variables.scss and _bootswatch.scss files from https://bootswatch.com/
+Run this script. It will generate a new file 'preset.scss' which can be used as
+a Moodle preset.
+
+Usage:
+    # php import-bootswatch.php [--help|-h]
+    # php import-bootswatch.php --variables=<path> --bootswatch=<path> --preset=<path>
+
+Options:
+    -h --help               Print this help.
+    --variables=<path>      Path to the input variables file, defaults to _variables.scss
+    --bootswatch=<path>     Path to the input bootswatch file, defauls to _bootswatch.scss
+    --preset=<path>         Path to the output preset file, defaults to preset.scss
+";
+
+list($options, $unrecognised) = cli_get_params([
+    'help' => false,
+    'variables' => '_variables.scss',
+    'bootswatch' => '_bootswatch.scss',
+    'preset' => 'preset.scss',
+], [
+    'h' => 'help',
+]);
+
+if ($unrecognised) {
+    $unrecognised = implode(PHP_EOL.'  ', $unrecognised);
+    cli_error(get_string('cliunknowoption', 'core_admin', $unrecognised));
+}
+
+if ($options['help']) {
+    cli_writeln($usage);
+    exit(2);
+}
+
+if (is_readable($options['variables'])) {
+    $sourcevariables = file_get_contents($options['variables']);
+} else {
+    cli_writeln($usage);
+    cli_error('Error reading the variables file: '.$options['variables']);
+}
+
+
+if (is_readable($options['bootswatch'])) {
+    $sourcebootswatch = file_get_contents($options['bootswatch']);
+} else {
+    cli_writeln($usage);
+    cli_error('Error reading the bootswatch file: '.$options['bootswatch']);
+}
+
+// Write the preset file.
+$out = fopen($options['preset'], 'w');
+
+if (!$out) {
+    cli_error('Error writing to the preset file');
+}
+
+fwrite($out, $sourcevariables);
+
+fwrite($out, '
+// Import FontAwesome.
+@import "fontawesome";
+
+// Import All of Bootstrap
+@import "bootstrap";
+
+// Import Core moodle CSS
+@import "moodle";
+');
+
+// Add the bootswatch file.
+fwrite($out, $sourcebootswatch);
+
+fclose($out);

theme/boost/config.php

@@ -0,0 +1,186 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Boost config.
+ *
+ * @package   theme_boost
+ * @copyright 2016 Frédéric Massart
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/lib.php');
+
+$THEME->name = 'boost';
+$THEME->sheets = [];
+$THEME->editor_sheets = [];
+$THEME->editor_scss = ['editor'];
+$THEME->usefallback = true;
+$THEME->scss = function($theme) {
+    return theme_boost_get_main_scss_content($theme);
+};
+
+$THEME->layouts = [
+    // Most backwards compatible layout without the blocks.
+    'base' => array(
+        'file' => 'drawers.php',
+        'regions' => array(),
+    ),
+    // Standard layout with blocks.
+    'standard' => array(
+        'file' => 'drawers.php',
+        'regions' => array('side-pre'),
+        'defaultregion' => 'side-pre',
+    ),
+    // Main course page.
+    'course' => array(
+        'file' => 'drawers.php',
+        'regions' => array('side-pre'),
+        'defaultregion' => 'side-pre',
+        'options' => array('langmenu' => true),
+    ),
+    'coursecategory' => array(
+        'file' => 'drawers.php',
+        'regions' => array('side-pre'),
+        'defaultregion' => 'side-pre',
+    ),
+    // Part of course, typical for modules - default page layout if $cm specified in require_login().
+    'incourse' => array(
+        'file' => 'drawers.php',
+        'regions' => array('side-pre'),
+        'defaultregion' => 'side-pre',
+    ),
+    // The site home page.
+    'frontpage' => array(
+        'file' => 'drawers.php',
+        'regions' => array('side-pre'),
+        'defaultregion' => 'side-pre',
+        'options' => array('nonavbar' => true),
+    ),
+    // Server administration scripts.
+    'admin' => array(
+        'file' => 'drawers.php',
+        'regions' => array('side-pre'),
+        'defaultregion' => 'side-pre',
+    ),
+    // My courses page.
+    'mycourses' => array(
+        'file' => 'drawers.php',
+        'regions' => ['side-pre'],
+        'defaultregion' => 'side-pre',
+        'options' => array('nonavbar' => true),
+    ),
+    // My dashboard page.
+    'mydashboard' => array(
+        'file' => 'drawers.php',
+        'regions' => array('side-pre'),
+        'defaultregion' => 'side-pre',
+        'options' => array('nonavbar' => true, 'langmenu' => true),
+    ),
+    // My public page.
+    'mypublic' => array(
+        'file' => 'drawers.php',
+        'regions' => array('side-pre'),
+        'defaultregion' => 'side-pre',
+    ),
+    'login' => array(
+        'file' => 'login.php',
+        'regions' => array(),
+        'options' => array('langmenu' => true),
+    ),
+
+    // Pages that appear in pop-up windows - no navigation, no blocks, no header and bare activity header.
+    'popup' => array(
+        'file' => 'columns1.php',
+        'regions' => array(),
+        'options' => array(
+            'nofooter' => true,
+            'nonavbar' => true,
+            'activityheader' => [
+                'notitle' => true,
+                'nocompletion' => true,
+                'nodescription' => true
+            ]
+        )
+    ),
+    // No blocks and minimal footer - used for legacy frame layouts only!
+    'frametop' => array(
+        'file' => 'columns1.php',
+        'regions' => array(),
+        'options' => array(
+            'nofooter' => true,
+            'nocoursefooter' => true,
+            'activityheader' => [
+                'nocompletion' => true
+            ]
+        ),
+    ),
+    // Embeded pages, like iframe/object embeded in moodleform - it needs as much space as possible.
+    'embedded' => array(
+        'file' => 'embedded.php',
+        'regions' => array('side-pre'),
+        'defaultregion' => 'side-pre',
+    ),
+    // Used during upgrade and install, and for the 'This site is undergoing maintenance' message.
+    // This must not have any blocks, links, or API calls that would lead to database or cache interaction.
+    // Please be extremely careful if you are modifying this layout.
+    'maintenance' => array(
+        'file' => 'maintenance.php',
+        'regions' => array(),
+    ),
+    // Should display the content and basic headers only.
+    'print' => array(
+        'file' => 'columns1.php',
+        'regions' => array(),
+        'options' => array('nofooter' => true, 'nonavbar' => false, 'noactivityheader' => true),
+    ),
+    // The pagelayout used when a redirection is occuring.
+    'redirect' => array(
+        'file' => 'embedded.php',
+        'regions' => array(),
+    ),
+    // The pagelayout used for reports.
+    'report' => array(
+        'file' => 'drawers.php',
+        'regions' => array('side-pre'),
+        'defaultregion' => 'side-pre',
+    ),
+    // The pagelayout used for safebrowser and securewindow.
+    'secure' => array(
+        'file' => 'secure.php',
+        'regions' => array('side-pre'),
+        'defaultregion' => 'side-pre'
+    )
+];
+
+$THEME->parents = [];
+$THEME->enable_dock = false;
+$THEME->extrascsscallback = 'theme_boost_get_extra_scss';
+$THEME->prescsscallback = 'theme_boost_get_pre_scss';
+$THEME->precompiledcsscallback = 'theme_boost_get_precompiled_css';
+$THEME->yuicssmodules = array();
+$THEME->rendererfactory = 'theme_overridden_renderer_factory';
+$THEME->requiredblocks = '';
+$THEME->addblockposition = BLOCK_ADDBLOCK_POSITION_FLATNAV;
+$THEME->iconsystem = \core\output\icon_system::FONTAWESOME;
+$THEME->haseditswitch = true;
+$THEME->usescourseindex = true;
+// By default, all boost theme do not need their titles displayed.
+$THEME->activityheaderconfig = [
+    'notitle' => true
+];

theme/boost/lang/en/deprecated.txt

@@ -0,0 +1,3 @@
+privacy:drawernavclosed,theme_boost
+privacy:drawernavopen,theme_boost
+currentinparentheses,theme_boost

theme/boost/lang/en/theme_boost.php

@@ -0,0 +1,65 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Language file.
+ *
+ * @package   theme_boost
+ * @copyright 2016 Frédéric Massart
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$string['advancedsettings'] = 'Advanced settings';
+$string['backgroundimage'] = 'Background image';
+$string['backgroundimage_desc'] = 'The image to display as a background of the site. The background image you upload here will override the background image in your theme preset files.';
+$string['brandcolor'] = 'Brand colour';
+$string['brandcolor_desc'] = 'The accent colour.';
+$string['bootswatch'] = 'Bootswatch';
+$string['bootswatch_desc'] = 'A bootswatch is a set of Bootstrap variables and css to style Bootstrap';
+$string['choosereadme'] = 'Boost is a modern highly-customisable theme. This theme is intended to be used directly, or as a parent theme when creating new themes utilising Bootstrap 4.';
+$string['configtitle'] = 'Boost';
+$string['generalsettings'] = 'General settings';
+$string['loginbackgroundimage'] = 'Login page background image';
+$string['loginbackgroundimage_desc'] = 'The image to display as a background for the login page.';
+$string['nobootswatch'] = 'None';
+$string['pluginname'] = 'Boost';
+$string['presetfiles'] = 'Additional theme preset files';
+$string['presetfiles_desc'] = 'Preset files can be used to dramatically alter the appearance of the theme. See <a href="https://docs.moodle.org/dev/Boost_Presets">Boost presets</a> for information on creating and sharing your own preset files, and see the <a href="https://moodle.net/search?q=boost+presets">Presets repository</a> for presets that others have shared.';
+$string['preset'] = 'Theme preset';
+$string['preset_desc'] = 'Pick a preset to broadly change the look of the theme.';
+$string['privacy:metadata'] = 'The Boost theme does not store any personal data about any user.';
+$string['rawscss'] = 'Raw SCSS';
+$string['rawscss_desc'] = 'Use this field to provide SCSS or CSS code which will be injected at the end of the style sheet.';
+$string['rawscsspre'] = 'Raw initial SCSS';
+$string['rawscsspre_desc'] = 'In this field you can provide initialising SCSS code, it will be injected before everything else. Most of the time you will use this setting to define variables.';
+$string['region-side-pre'] = 'Right';
+$string['showfooter'] = 'Show footer';
+$string['unaddableblocks'] = 'Unneeded blocks';
+$string['unaddableblocks_desc'] = 'The blocks specified are not needed when using this theme and will not be listed in the \'Add a block\' menu.';
+$string['privacy:metadata:preference:draweropenblock'] = 'The user\'s preference for hiding or showing the drawer with blocks.';
+$string['privacy:metadata:preference:draweropenindex'] = 'The user\'s preference for hiding or showing the drawer with course index.';
+$string['privacy:metadata:preference:draweropennav'] = 'The user\'s preference for hiding or showing the drawer menu navigation.';
+$string['privacy:drawerindexclosed'] = 'The current preference for the index drawer is closed.';
+$string['privacy:drawerindexopen'] = 'The current preference for the index drawer is open.';
+$string['privacy:drawerblockclosed'] = 'The current preference for the block drawer is closed.';
+$string['privacy:drawerblockopen'] = 'The current preference for the block drawer is open.';
+
+// Deprecated since Moodle 4.1.
+$string['currentinparentheses'] = '(current)';
+$string['privacy:drawernavclosed'] = 'The current preference for the navigation drawer is closed.';
+$string['privacy:drawernavopen'] = 'The current preference for the navigation drawer is open.';

theme/boost/layout/columns1.php

@@ -0,0 +1,41 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * A one column layout for the boost theme.
+ *
+ * @package   theme_boost
+ * @copyright 2016 Damyon Wiese
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$bodyattributes = $OUTPUT->body_attributes([]);
+$templatecontext = [
+    'sitename' => format_string($SITE->shortname, true, ['context' => context_course::instance(SITEID), "escape" => false]),
+    'output' => $OUTPUT,
+    'bodyattributes' => $bodyattributes,
+];
+
+if (empty($PAGE->layout_options['noactivityheader'])) {
+    $header = $PAGE->activityheader;
+    $renderer = $PAGE->get_renderer('core');
+    $templatecontext['headercontent'] = $header->export_for_template($renderer);
+}
+
+echo $OUTPUT->render_from_template('theme_boost/columns1', $templatecontext);
+

theme/boost/layout/columns2.php

@@ -0,0 +1,77 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * A two column layout for the boost theme.
+ *
+ * @package   theme_boost
+ * @copyright 2016 Damyon Wiese
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->libdir . '/behat/lib.php');
+
+// Add block button in editing mode.
+$addblockbutton = $OUTPUT->addblockbutton();
+
+$extraclasses = [];
+$bodyattributes = $OUTPUT->body_attributes($extraclasses);
+$blockshtml = $OUTPUT->blocks('side-pre');
+$hasblocks = (strpos($blockshtml, 'data-block=') !== false || !empty($addblockbutton));
+
+$secondarynavigation = false;
+$overflow = '';
+if ($PAGE->has_secondary_navigation()) {
+    $tablistnav = $PAGE->has_tablist_secondary_navigation();
+    $moremenu = new \core\navigation\output\more_menu($PAGE->secondarynav, 'nav-tabs', true, $tablistnav);
+    $secondarynavigation = $moremenu->export_for_template($OUTPUT);
+    $overflowdata = $PAGE->secondarynav->get_overflow_menu_data();
+    if (!is_null($overflowdata)) {
+        $overflow = $overflowdata->export_for_template($OUTPUT);
+    }
+}
+
+$primary = new core\navigation\output\primary($PAGE);
+$renderer = $PAGE->get_renderer('core');
+$primarymenu = $primary->export_for_template($renderer);
+$buildregionmainsettings = !$PAGE->include_region_main_settings_in_header_actions()  && !$PAGE->has_secondary_navigation();
+// If the settings menu will be included in the header then don't add it here.
+$regionmainsettingsmenu = $buildregionmainsettings ? $OUTPUT->region_main_settings_menu() : false;
+
+$header = $PAGE->activityheader;
+$headercontent = $header->export_for_template($renderer);
+
+$templatecontext = [
+    'sitename' => format_string($SITE->shortname, true, ['context' => context_course::instance(SITEID), "escape" => false]),
+    'output' => $OUTPUT,
+    'sidepreblocks' => $blockshtml,
+    'hasblocks' => $hasblocks,
+    'bodyattributes' => $bodyattributes,
+    'primarymoremenu' => $primarymenu['moremenu'],
+    'secondarymoremenu' => $secondarynavigation ?: false,
+    'mobileprimarynav' => $primarymenu['mobileprimarynav'],
+    'usermenu' => $primarymenu['user'],
+    'langmenu' => $primarymenu['lang'],
+    'regionmainsettingsmenu' => $regionmainsettingsmenu,
+    'hasregionmainsettingsmenu' => !empty($regionmainsettingsmenu),
+    'headercontent' => $headercontent,
+    'overflow' => $overflow,
+    'addblockbutton' => $addblockbutton,
+];
+
+echo $OUTPUT->render_from_template('theme_boost/columns2', $templatecontext);

theme/boost/layout/drawers.php

@@ -0,0 +1,107 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * A drawer based layout for the boost theme.
+ *
+ * @package   theme_boost
+ * @copyright 2021 Bas Brands
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->libdir . '/behat/lib.php');
+require_once($CFG->dirroot . '/course/lib.php');
+
+// Add block button in editing mode.
+$addblockbutton = $OUTPUT->addblockbutton();
+
+if (isloggedin()) {
+    $courseindexopen = (get_user_preferences('drawer-open-index', true) == true);
+    $blockdraweropen = (get_user_preferences('drawer-open-block') == true);
+} else {
+    $courseindexopen = false;
+    $blockdraweropen = false;
+}
+
+if (defined('BEHAT_SITE_RUNNING') && get_user_preferences('behat_keep_drawer_closed') != 1) {
+    $blockdraweropen = true;
+}
+
+$extraclasses = ['uses-drawers'];
+if ($courseindexopen) {
+    $extraclasses[] = 'drawer-open-index';
+}
+
+$blockshtml = $OUTPUT->blocks('side-pre');
+$hasblocks = (strpos($blockshtml, 'data-block=') !== false || !empty($addblockbutton));
+if (!$hasblocks) {
+    $blockdraweropen = false;
+}
+$courseindex = core_course_drawer();
+if (!$courseindex) {
+    $courseindexopen = false;
+}
+
+$bodyattributes = $OUTPUT->body_attributes($extraclasses);
+$forceblockdraweropen = $OUTPUT->firstview_fakeblocks();
+
+$secondarynavigation = false;
+$overflow = '';
+if ($PAGE->has_secondary_navigation()) {
+    $tablistnav = $PAGE->has_tablist_secondary_navigation();
+    $moremenu = new \core\navigation\output\more_menu($PAGE->secondarynav, 'nav-tabs', true, $tablistnav);
+    $secondarynavigation = $moremenu->export_for_template($OUTPUT);
+    $overflowdata = $PAGE->secondarynav->get_overflow_menu_data();
+    if (!is_null($overflowdata)) {
+        $overflow = $overflowdata->export_for_template($OUTPUT);
+    }
+}
+
+$primary = new core\navigation\output\primary($PAGE);
+$renderer = $PAGE->get_renderer('core');
+$primarymenu = $primary->export_for_template($renderer);
+$buildregionmainsettings = !$PAGE->include_region_main_settings_in_header_actions() && !$PAGE->has_secondary_navigation();
+// If the settings menu will be included in the header then don't add it here.
+$regionmainsettingsmenu = $buildregionmainsettings ? $OUTPUT->region_main_settings_menu() : false;
+
+$header = $PAGE->activityheader;
+$headercontent = $header->export_for_template($renderer);
+
+$templatecontext = [
+    'sitename' => format_string($SITE->shortname, true, ['context' => context_course::instance(SITEID), "escape" => false]),
+    'output' => $OUTPUT,
+    'sidepreblocks' => $blockshtml,
+    'hasblocks' => $hasblocks,
+    'bodyattributes' => $bodyattributes,
+    'courseindexopen' => $courseindexopen,
+    'blockdraweropen' => $blockdraweropen,
+    'courseindex' => $courseindex,
+    'primarymoremenu' => $primarymenu['moremenu'],
+    'secondarymoremenu' => $secondarynavigation ?: false,
+    'mobileprimarynav' => $primarymenu['mobileprimarynav'],
+    'usermenu' => $primarymenu['user'],
+    'langmenu' => $primarymenu['lang'],
+    'forceblockdraweropen' => $forceblockdraweropen,
+    'regionmainsettingsmenu' => $regionmainsettingsmenu,
+    'hasregionmainsettingsmenu' => !empty($regionmainsettingsmenu),
+    'overflow' => $overflow,
+    'headercontent' => $headercontent,
+    'addblockbutton' => $addblockbutton
+];
+
+echo $OUTPUT->render_from_template('theme_boost/drawers', $templatecontext);

theme/boost/layout/embedded.php

@@ -0,0 +1,38 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * An embedded layout for the boost theme.
+ *
+ * @package   theme_boost
+ * @copyright 2016 Damyon Wiese
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$fakeblockshtml = $OUTPUT->blocks('side-pre', array(), 'aside', true);
+$hasfakeblocks = strpos($fakeblockshtml, 'data-block="_fake"') !== false;
+$renderer = $PAGE->get_renderer('core');
+
+$templatecontext = [
+    'output' => $OUTPUT,
+    'headercontent' => $PAGE->activityheader->export_for_template($renderer),
+    'hasfakeblocks' => $hasfakeblocks,
+    'fakeblocks' => $fakeblockshtml,
+];
+
+echo $OUTPUT->render_from_template('theme_boost/embedded', $templatecontext);

theme/boost/layout/login.php

@@ -0,0 +1,36 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * A login page layout for the boost theme.
+ *
+ * @package   theme_boost
+ * @copyright 2016 Damyon Wiese
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+$bodyattributes = $OUTPUT->body_attributes();
+
+$templatecontext = [
+    'sitename' => format_string($SITE->shortname, true, ['context' => context_course::instance(SITEID), "escape" => false]),
+    'output' => $OUTPUT,
+    'bodyattributes' => $bodyattributes
+];
+
+echo $OUTPUT->render_from_template('theme_boost/login', $templatecontext);
+

theme/boost/layout/maintenance.php

@@ -0,0 +1,34 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * A maintenance layout for the boost theme.
+ *
+ * @package   theme_boost
+ * @copyright 2016 Damyon Wiese
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$templatecontext = [
+    // We cannot pass the context to format_string, this layout can be used during
+    // installation. At that stage database tables do not exist yet.
+    'sitename' => format_string($SITE->shortname, true, ["escape" => false]),
+    'output' => $OUTPUT
+];
+
+echo $OUTPUT->render_from_template('theme_boost/maintenance', $templatecontext);

theme/boost/layout/secure.php

@@ -0,0 +1,40 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * A secure layout for the boost theme.
+ *
+ * @package   theme_boost
+ * @copyright 2016 Damyon Wiese
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$blockshtml = $OUTPUT->blocks('side-pre');
+$hasblocks = strpos($blockshtml, 'data-block=') !== false;
+$bodyattributes = $OUTPUT->body_attributes();
+
+$templatecontext = [
+    'sitename' => format_string($SITE->shortname, true, ['context' => context_course::instance(SITEID), "escape" => false]),
+    'output' => $OUTPUT,
+    'bodyattributes' => $bodyattributes,
+    'sidepreblocks' => $blockshtml,
+    'hasblocks' => $hasblocks
+];
+
+echo $OUTPUT->render_from_template('theme_boost/secure', $templatecontext);
+

theme/boost/lib.php

@@ -0,0 +1,188 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Theme functions.
+ *
+ * @package    theme_boost
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Post process the CSS tree.
+ *
+ * @param string $tree The CSS tree.
+ * @param theme_config $theme The theme config object.
+ */
+function theme_boost_css_tree_post_processor($tree, $theme) {
+    error_log('theme_boost_css_tree_post_processor() is deprecated. Required' .
+        'prefixes for Bootstrap are now in theme/boost/scss/moodle/prefixes.scss');
+    $prefixer = new theme_boost\autoprefixer($tree);
+    $prefixer->prefix();
+}
+
+/**
+ * Inject additional SCSS.
+ *
+ * @param theme_config $theme The theme config object.
+ * @return string
+ */
+function theme_boost_get_extra_scss($theme) {
+    $content = '';
+    $imageurl = $theme->setting_file_url('backgroundimage', 'backgroundimage');
+
+    // Sets the background image, and its settings.
+    if (!empty($imageurl)) {
+        $content .= '@media (min-width: 768px) {';
+        $content .= 'body { ';
+        $content .= "background-image: url('$imageurl'); background-size: cover;";
+        $content .= ' } }';
+    }
+
+    // Sets the login background image.
+    $loginbackgroundimageurl = $theme->setting_file_url('loginbackgroundimage', 'loginbackgroundimage');
+    if (!empty($loginbackgroundimageurl)) {
+        $content .= 'body.pagelayout-login #page { ';
+        $content .= "background-image: url('$loginbackgroundimageurl'); background-size: cover;";
+        $content .= ' }';
+    }
+
+    // Always return the background image with the scss when we have it.
+    return !empty($theme->settings->scss) ? "{$theme->settings->scss}  \n  {$content}" : $content;
+}
+
+/**
+ * Serves any files associated with the theme settings.
+ *
+ * @param stdClass $course
+ * @param stdClass $cm
+ * @param context $context
+ * @param string $filearea
+ * @param array $args
+ * @param bool $forcedownload
+ * @param array $options
+ * @return bool
+ */
+function theme_boost_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options = array()) {
+    if ($context->contextlevel == CONTEXT_SYSTEM && ($filearea === 'logo' || $filearea === 'backgroundimage' ||
+        $filearea === 'loginbackgroundimage')) {
+        $theme = theme_config::load('boost');
+        // By default, theme files must be cache-able by both browsers and proxies.
+        if (!array_key_exists('cacheability', $options)) {
+            $options['cacheability'] = 'public';
+        }
+        return $theme->setting_file_serve($filearea, $args, $forcedownload, $options);
+    } else {
+        send_file_not_found();
+    }
+}
+
+/**
+ * Get the current user preferences that are available
+ *
+ * @return array[]
+ */
+function theme_boost_user_preferences(): array {
+    return [
+        'drawer-open-block' => [
+            'type' => PARAM_BOOL,
+            'null' => NULL_NOT_ALLOWED,
+            'default' => false,
+            'permissioncallback' => [core_user::class, 'is_current_user'],
+        ],
+        'drawer-open-index' => [
+            'type' => PARAM_BOOL,
+            'null' => NULL_NOT_ALLOWED,
+            'default' => true,
+            'permissioncallback' => [core_user::class, 'is_current_user'],
+        ],
+    ];
+}
+
+/**
+ * Returns the main SCSS content.
+ *
+ * @param theme_config $theme The theme config object.
+ * @return string
+ */
+function theme_boost_get_main_scss_content($theme) {
+    global $CFG;
+
+    $scss = '';
+    $filename = !empty($theme->settings->preset) ? $theme->settings->preset : null;
+    $fs = get_file_storage();
+
+    $context = context_system::instance();
+    if ($filename == 'default.scss') {
+        $scss .= file_get_contents($CFG->dirroot . '/theme/boost/scss/preset/default.scss');
+    } else if ($filename == 'plain.scss') {
+        $scss .= file_get_contents($CFG->dirroot . '/theme/boost/scss/preset/plain.scss');
+    } else if ($filename && ($presetfile = $fs->get_file($context->id, 'theme_boost', 'preset', 0, '/', $filename))) {
+        $scss .= $presetfile->get_content();
+    } else {
+        // Safety fallback - maybe new installs etc.
+        $scss .= file_get_contents($CFG->dirroot . '/theme/boost/scss/preset/default.scss');
+    }
+
+    return $scss;
+}
+
+/**
+ * Get compiled css.
+ *
+ * @return string compiled css
+ */
+function theme_boost_get_precompiled_css() {
+    global $CFG;
+    return file_get_contents($CFG->dirroot . '/theme/boost/style/moodle.css');
+}
+
+/**
+ * Get SCSS to prepend.
+ *
+ * @param theme_config $theme The theme config object.
+ * @return string
+ */
+function theme_boost_get_pre_scss($theme) {
+    global $CFG;
+
+    $scss = '';
+    $configurable = [
+        // Config key => [variableName, ...].
+        'brandcolor' => ['primary'],
+    ];
+
+    // Prepend variables first.
+    foreach ($configurable as $configkey => $targets) {
+        $value = isset($theme->settings->{$configkey}) ? $theme->settings->{$configkey} : null;
+        if (empty($value)) {
+            continue;
+        }
+        array_map(function($target) use (&$scss, $value) {
+            $scss .= '$' . $target . ': ' . $value . ";\n";
+        }, (array) $targets);
+    }
+
+    // Prepend pre-scss.
+    if (!empty($theme->settings->scsspre)) {
+        $scss .= $theme->settings->scsspre;
+    }
+
+    return $scss;
+}

theme/boost/pix/fp/add_file.svg

@@ -0,0 +1 @@
+<svg width="1792" height="1792" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="xMinYMid meet"><path d="M1600 1312v-704q0-40-28-68t-68-28h-704q-40 0-68-28t-28-68v-64q0-40-28-68t-68-28h-320q-40 0-68 28t-28 68v960q0 40 28 68t68 28h1216q40 0 68-28t28-68zm128-704v704q0 92-66 158t-158 66h-1216q-92 0-158-66t-66-158v-960q0-92 66-158t158-66h320q92 0 158 66t66 158v32h672q92 0 158 66t66 158z"/></svg>

theme/boost/pix/fp/alias.svg

@@ -0,0 +1 @@
+<svg width="1792" height="1792" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="xMinYMid meet"><path d="M1792 640q0 26-19 45l-512 512q-19 19-45 19t-45-19-19-45v-256h-224q-98 0-175.5 6t-154 21.5-133 42.5-105.5 69.5-80 101-48.5 138.5-17.5 181q0 55 5 123 0 6 2.5 23.5t2.5 26.5q0 15-8.5 25t-23.5 10q-16 0-28-17-7-9-13-22t-13.5-30-10.5-24q-127-285-127-451 0-199 53-333 162-403 875-403h224v-256q0-26 19-45t45-19 45 19l512 512q19 19 19 45z"/></svg>

theme/boost/pix/fp/alias_sm.svg

@@ -0,0 +1 @@
+<svg width="1792" height="1792" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="xMinYMid meet"><path d="M1792 640q0 26-19 45l-512 512q-19 19-45 19t-45-19-19-45v-256h-224q-98 0-175.5 6t-154 21.5-133 42.5-105.5 69.5-80 101-48.5 138.5-17.5 181q0 55 5 123 0 6 2.5 23.5t2.5 26.5q0 15-8.5 25t-23.5 10q-16 0-28-17-7-9-13-22t-13.5-30-10.5-24q-127-285-127-451 0-199 53-333 162-403 875-403h224v-256q0-26 19-45t45-19 45 19l512 512q19 19 19 45z"/></svg>

theme/boost/pix/fp/check.svg

@@ -0,0 +1 @@
+<svg width="1792" height="1792" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="xMinYMid meet"><path d="M1671 566q0 40-28 68l-724 724-136 136q-28 28-68 28t-68-28l-136-136-362-362q-28-28-28-68t28-68l136-136q28-28 68-28t68 28l294 295 656-657q28-28 68-28t68 28l136 136q28 28 28 68z"/></svg>

theme/boost/pix/fp/create_folder.svg

@@ -0,0 +1 @@
+<svg width="1792" height="1792" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="xMinYMid meet"><path d="M1600 1312v-704q0-40-28-68t-68-28h-704q-40 0-68-28t-28-68v-64q0-40-28-68t-68-28h-320q-40 0-68 28t-28 68v960q0 40 28 68t68 28h1216q40 0 68-28t28-68zm128-704v704q0 92-66 158t-158 66h-1216q-92 0-158-66t-66-158v-960q0-92 66-158t158-66h320q92 0 158 66t66 158v32h672q92 0 158 66t66 158z"/></svg>

theme/boost/pix/fp/cross.svg

@@ -0,0 +1 @@
+<svg width="1792" height="1792" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="xMinYMid meet"><path d="M1490 1322q0 40-28 68l-136 136q-28 28-68 28t-68-28l-294-294-294 294q-28 28-68 28t-68-28l-136-136q-28-28-28-68t28-68l294-294-294-294q-28-28-28-68t28-68l136-136q28-28 68-28t68 28l294 294 294-294q28-28 68-28t68 28l136 136q28 28 28 68t-28 68l-294 294 294 294q28 28 28 68z"/></svg>