!function(){"use strict";function attributesObserver(whenDefined,MutationObserver){function attributeChanged(records){for(var i=0,length=records.length;i<length;i++)dispatch(records[i])}function dispatch(_ref){var target=_ref.target,attributeName=_ref.attributeName,_ref=_ref.oldValue;target.attributeChangedCallback(attributeName,_ref,target.getAttribute(attributeName))}return function(target,is){var attributeFilter=target.constructor.observedAttributes;return attributeFilter&&whenDefined(is).then(function(){new MutationObserver(attributeChanged).observe(target,{attributes:!0,attributeOldValue:!0,attributeFilter:attributeFilter});for(var i=0,length=attributeFilter.length;i<length;i++)target.hasAttribute(attributeFilter[i])&&dispatch({target:target,attributeName:attributeFilter[i],oldValue:null})}),target}}var Lie="function"==typeof Promise?Promise:function(fn){var value,queue=[],resolved=0;return fn(function($){value=$,resolved=1,queue.splice(0).forEach(then)}),{then:then};function 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attachShadow&&(Element$1.prototype.attachShadow=function(init){init=attachShadow.call(this,init);return observer.add(init),init}),query.length&&parse(root[QSA](query)),{drop:function(elements){for(var i=0,length=elements.length;i<length;i++)live.delete(elements[i])},flush:function(){for(var records=observer.takeRecords(),i=0,length=records.length;i<length;i++)parse(filter.call(records[i].removedNodes,elements),!1),parse(filter.call(records[i].addedNodes,elements),!0)},observer:observer,parse:parse}}function expando(element){for(var key=keys(element),value=[],length=key.length,i=0;i<length;i++)value[i]=element[key[i]],delete element[key[i]];return function(){for(var _i=0;_i<length;_i++)element[key[_i]]=value[_i]}}var 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options:createElement.call(document$1,name)}}),"isConnected"in Node.prototype||defineProperty(Node.prototype,"isConnected",{configurable:!0,get:function(){return!(this.ownerDocument.compareDocumentPosition(this)&this.DOCUMENT_POSITION_DISCONNECTED)}})}else try{var LI=function LI(){return self.Reflect.construct(HTMLLIElement,[],LI)},is=(LI.prototype=HTMLLIElement.prototype,"extends-li"),_self$customElements=(self.customElements.define("extends-li",LI,{extends:"li"}),Object$1=document$1.createElement("li",{is:is}).outerHTML.indexOf(is)<0,self.customElements),get=_self$customElements.get,_whenDefined=_self$customElements.whenDefined;defineProperty(self.customElements,"whenDefined",{configurable:!0,value:function(is){var _this=this;return _whenDefined.call(this,is).then(function(Class){return Class||get.call(_this,is)})}})}catch(o_O){Object$1=!Object$1}Object$1&&(parseShadow=function(element){var root=shadowRoots.get(element);_parse(root.querySelectorAll(this),element.isConnected)},customElements=self.customElements,attachShadow=Element.prototype.attachShadow,_createElement=document$1.createElement,define=customElements.define,_get=customElements.get,construct=(_self$1||{construct:function(HTMLElement){return HTMLElement.call(this)}}).construct,shadowRoots=new WeakMap,shadows=new Set$1,_classes=new Map,_defined=new Map,_prototypes=new Map,_registry=new Map,shadowed=[],getCE=function(is){return _registry.get(is)||_get.call(customElements,is)},_parse=qsaObserver({query:_query=[],handle:function(element,connected,selector){selector=_prototypes.get(selector);if(connected&&!selector.isPrototypeOf(element)){var redefine=expando(element);_override=setPrototypeOf(element,selector);try{new selector.constructor}finally{_override=null,redefine()}}redefine="".concat(connected?"":"dis","connectedCallback");redefine in 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shadowRoots.set(this,init),init}),defineProperty(customElements,"get",{configurable:!0,value:getCE}),defineProperty(customElements,"whenDefined",{configurable:!0,value:_whenDefined2}),defineProperty(customElements,"define",{configurable:!0,value:function(is,Class,options){if(getCE(is))throw new Error("'".concat(is,"' has already been defined as a custom element"));var selector,tag=options&&options.extends;_classes.set(Class,tag?{is:is,tag:tag}:{is:"",tag:is}),tag?(selector="".concat(tag,'[is="').concat(is,'"]'),_prototypes.set(selector,Class.prototype),_registry.set(is,Class),_query.push(selector)):(define.apply(customElements,arguments),shadowed.push(selector=is)),_whenDefined2(is).then(function(){tag?(_parse(document$1.querySelectorAll(selector)),shadows.forEach(parseShadow,[selector])):parseShadowed(document$1.querySelectorAll(selector))}),_defined.get(is)._(Class)}}))}();