https://webboard.app/build/p-61a129f2.entry.js

1import{r as t,h as i,a as e}from"./p-a13a36bb.js";import{a as s,t as n,p as o}from"./p-ac634c7f.js";import"./p-be0dc5c8.js";import"./p-f2660943.js";import"./p-9cc49b65.js";
2/**
3 * @license
4 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
5 * This code may only be used under the BSD style license found at
6 * http://polymer.github.io/LICENSE.txt
7 * The complete set of authors may be found at
8 * http://polymer.github.io/AUTHORS.txt
9 * The complete set of contributors may be found at
10 * http://polymer.github.io/CONTRIBUTORS.txt
11 * Code distributed by Google as part of the polymer project is also
12 * subject to an additional IP rights grant found at
13 * http://polymer.github.io/PATENTS.txt
14 */const a="undefined"!=typeof window&&null!=window.customElements&&void 0!==window.customElements.polyfillWrapFlushCallback,r=(t,i,e=null)=>{for(;i!==e;){const e=i.nextSibling;t.removeChild(i),i=e}},h=`{{lit-${String(Math.random()).slice(2)}}}`,l=`\x3c!--${h}--\x3e`,d=new RegExp(`${h}|${l}`);class c{constructor(t,i){this.parts=[],this.element=i;const e=[],s=[],n=document.createTreeWalker(i.content,133,null,!1);let o=0,a=-1,r=0;const{strings:l,values:{length:c}}=t;for(;r<c;){const t=n.nextNode();if(null!==t){if(a++,1===t.nodeType){if(t.hasAttributes()){const i=t.attributes,{length:e}=i;let s=0;for(let t=0;t<e;t++)p(i[t].name,"$lit$")&&s++;for(;s-- >0;){const i=f.exec(l[r])[2],e=i.toLowerCase()+"$lit$",s=t.getAttribute(e);t.removeAttribute(e);const n=s.split(d);this.parts.push({type:"attribute",index:a,name:i,strings:n}),r+=n.length-1}}"TEMPLATE"===t.tagName&&(s.push(t),n.currentNode=t.content)}else if(3===t.nodeType){const i=t.data;if(i.indexOf(h)>=0){const s=t.parentNode,n=i.split(d),o=n.length-1;for(let i=0;i<o;i++){let e,o=n[i];if(""===o)e=m();else{const t=f.exec(o);null!==t&&p(t[2],"$lit$")&&(o=o.slice(0,t.index)+t[1]+t[2].slice(0,-"$lit$".length)+t[3]),e=document.createTextNode(o)}s.insertBefore(e,t),this.parts.push({type:"node",index:++a})}""===n[o]?(s.insertBefore(m(),t),e.push(t)):t.data=n[o],r+=o}}else if(8===t.nodeType)if(t.data===h){const i=t.parentNode;null!==t.previousSibling&&a!==o||(a++,i.insertBefore(m(),t)),o=a,this.parts.push({type:"node",index:a}),null===t.nextSibling?t.data="":(e.push(t),a--),r++}else{let i=-1;for(;-1!==(i=t.data.indexOf(h,i+1));)this.parts.push({type:"node",index:-1}),r++}}else n.currentNode=s.pop()}for(const t of e)t.parentNode.removeChild(t)}}const p=(t,i)=>{const e=t.length-i.length;return e>=0&&t.slice(e)===i},u=t=>-1!==t.index,m=()=>document.createComment(""),f=/([ \x09\x0a\x0c\x0d])([^\0-\x1F\x7F-\x9F "'>=/]+)([ \x09\x0a\x0c\x0d]*=[ \x09\x0a\x0c\x0d]*(?:[^ \x09\x0a\x0c\x0d"'`<>=]*|"[^"]*|'[^']*))$/;function g(t,i){const{element:{content:e},parts:s}=t,n=document.createTreeWalker(e,133,null,!1);let o=v(s),a=s[o],r=-1,h=0;const l=[];let d=null;for(;n.nextNode();){r++;const t=n.currentNode;for(t.previousSibling===d&&(d=null),i.has(t)&&(l.push(t),null===d&&(d=t)),null!==d&&h++;void 0!==a&&a.index===r;)a.index=null!==d?-1:a.index-h,o=v(s,o),a=s[o]}l.forEach((t=>t.parentNode.removeChild(t)))}const w=t=>{let i=11===t.nodeType?0:1;const e=document.createTreeWalker(t,133,null,!1);for(;e.nextNode();)i++;return i},v=(t,i=-1)=>{for(let e=i+1;e<t.length;e++)if(u(t[e]))return e;return-1},x=new WeakMap,b=t=>"function"==typeof t&&x.has(t),y={},k={};
15/**
16 * @license
17 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
18 * This code may only be used under the BSD style license found at
19 * http://polymer.github.io/LICENSE.txt
20 * The complete set of authors may be found at
21 * http://polymer.github.io/AUTHORS.txt
22 * The complete set of contributors may be found at
23 * http://polymer.github.io/CONTRIBUTORS.txt
24 * Code distributed by Google as part of the polymer project is also
25 * subject to an additional IP rights grant found at
26 * http://polymer.github.io/PATENTS.txt
27 */
28/**
29 * @license
30 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
31 * This code may only be used under the BSD style license found at
32 * http://polymer.github.io/LICENSE.txt
33 * The complete set of authors may be found at
34 * http://polymer.github.io/AUTHORS.txt
35 * The complete set of contributors may be found at
36 * http://polymer.github.io/CONTRIBUTORS.txt
37 * Code distributed by Google as part of the polymer project is also
38 * subject to an additional IP rights grant found at
39 * http://polymer.github.io/PATENTS.txt
40 */
41class C{constructor(t,i,e){this.__parts=[],this.template=t,this.processor=i,this.options=e}update(t){let i=0;for(const e of this.__parts)void 0!==e&&e.setValue(t[i]),i++;for(const t of this.__parts)void 0!==t&&t.commit()}_clone(){const t=a?this.template.element.content.cloneNode(!0):document.importNode(this.template.element.content,!0),i=[],e=this.template.parts,s=document.createTreeWalker(t,133,null,!1);let n,o=0,r=0,h=s.nextNode();for(;o<e.length;)if(n=e[o],u(n)){for(;r<n.index;

41)r++,"TEMPLATE"===h.nodeName&&(i.push(h),s.currentNode=h.content),null===(h=s.nextNode())&&(s.currentNode=i.pop(),h=s.nextNode());if("node"===n.type){const t=this.processor.handleTextExpression(this.options);t.insertAfterNode(h.previousSibling),this.__parts.push(t)}else this.__parts.push(...this.processor.handleAttributeExpressions(h,n.name,n.strings,this.options));o++}else this.__parts.push(void 0),o++;return a&&(document.adoptNode(t),customElements.upgrade(t)),t
42/**
43 * @license
44 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
45 * This code may only be used under the BSD style license found at
46 * http://polymer.github.io/LICENSE.txt
47 * The complete set of authors may be found at
48 * http://polymer.github.io/AUTHORS.txt
49 * The complete set of contributors may be found at
50 * http://polymer.github.io/CONTRIBUTORS.txt
51 * Code distributed by Google as part of the polymer project is also
52 * subject to an additional IP rights grant found at
53 * http://polymer.github.io/PATENTS.txt
54 */}}const S=` ${h} `;class ${constructor(t,i,e,s){this.strings=t,this.values=i,this.type=e,this.processor=s}getHTML(){const t=this.strings.length-1;let i="",e=!1;for(let s=0;s<t;s++){const t=this.strings[s],n=t.lastIndexOf("\x3c!--");e=(n>-1||e)&&-1===t.indexOf("--\x3e",n+1);const o=f.exec(t);i+=null===o?t+(e?S:l):t.substr(0,o.index)+o[1]+o[2]+"$lit$"+o[3]+h}return i+=this.strings[t],i}getTemplateElement(){const t=document.createElement("template");return t.innerHTML=this.getHTML(),t
55/**
56 * @license
57 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
58 * This code may only be used under the BSD style license found at
59 * http://polymer.github.io/LICENSE.txt
60 * The complete set of authors may be found at
61 * http://polymer.github.io/AUTHORS.txt
62 * The complete set of contributors may be found at
63 * http://polymer.github.io/CONTRIBUTORS.txt
64 * Code distributed by Google as part of the polymer project is also
65 * subject to an additional IP rights grant found at
66 * http://polymer.github.io/PATENTS.txt
67 */}}const B=t=>null===t||!("object"==typeof t||"function"==typeof t),j=t=>Array.isArray(t)||!(!t||!t[Symbol.iterator]);class _{constructor(t,i,e){this.dirty=!0,this.element=t,this.name=i,this.strings=e,this.parts=[];for(let t=0;t<e.length-1;t++)this.parts[t]=this._createPart()}_createPart(){return new z(this)}_getValue(){const t=this.strings,i=t.length-1;let e="";for(let s=0;s<i;s++){e+=t[s];const i=this.parts[s];if(void 0!==i){const t=i.value;if(B(t)||!j(t))e+="string"==typeof t?t:String(t);else for(const i of t)e+="string"==typeof i?i:String(i)}}return e+=t[i],e}commit(){this.dirty&&(this.dirty=!1,this.element.setAttribute(this.name,this._getValue()))}}class z{constructor(t){this.value=void 0,this.committer=t}setValue(t){t===y||B(t)&&t===this.value||(this.value=t,b(t)||(this.committer.dirty=!0))}commit(){for(;b(this.value);){const t=this.value;this.value=y,t(this)}this.value!==y&&this.committer.commit()}}class M{constructor(t){this.value=void 0,this.__pendingValue=void 0,this.options=t}appendInto(t){this.startNode=t.appendChild(m()),this.endNode=t.appendChild(m())}insertAfterNode(t){this.startNode=t,this.endNode=t.nextSibling}appendIntoPart(t){t.__insert(this.startNode=m()),t.__insert(this.endNode=m())}insertAfterPart(t){t.__insert(this.startNode=m()),this.endNode=t.endNode,t.endNode=this.startNode}setValue(t){this.__pendingValue=t}commit(){if(null===this.startNode.parentNode)return;for(;b(this.__pendingValue);){const t=this.__pendingValue;this.__pendingValue=y,t(this)}const t=this.__pendingValue;t!==y&&(B(t)?t!==this.value&&this.__commitText(t):t instanceof $?this.__commitTemplateResult(t):t instanceof Node?this.__commitNode(t):j(t)?this.__commitIterable(t):t===k?(this.value=k,this.clear()):this.__commitText(t))}__insert(t){this.endNode.parentNode.insertBefore(t,this.endNode)}__commitNode(t){this.value!==t&&(this.clear(),this.__insert(t),this.value=t)}__commitText(t){const i=this.startNode.nextSibling,e="string"==typeof(t=null==t?"":t)?t:String(t);i===this.endNode.previousSibling&&3===i.nodeType?i.data=e:this.__commitNode(document.createTextNode(e)),this.value=t}__commitTemplateResult(t){const i=this.options.templateFactory(t);if(this.value instanceof C&&this.value.template===i)this.value.update(t.values);else{const e=new C(i,t.processor,this.options),s=e._clone();e.update(t.values),this.__commitNode(s),this.value=e}}__commitIterable(t){Array.isArray(this.value)||(this.value=[],this.clear());const i=this.value;let e,s=0;for(const n of t)e=i[s],void 0===e&&(e=new M(this.options),i.push(e),0===s?e.appendIntoPart(this):e.insertAfterPart(i[s-1])),e.setValue(n),e.commit(),s++;s<i.length&&(i.length=s,this.clear(e&&e.endNode))}clear(t=this.startNode){r(this.startNode.parentNode,t.nextSibling,this.endNode)}}class P{constructor(t,i,e){if(this.value=void 0,this.__pendingValue=void 0,2!==e.length||""!==e[0]||""!==e[1])throw new Error("Boolean attributes can only contain a single expression");this.element=t,this.name=i,this.strings=e}setValue(t){this.__pendingValue=t}commit(){for(;b(this.__pendingValue);){const t=this.__pendingValue;this.__pendingValue=y,t(this)}if(this.__pendingValue===y)return;const t=!!this.__pendingValue;this.value!==t&&(t?this.element.setAttribute(this.name,""):this.element.removeAttribute(this.name),this.value=t),this.__pendingValue=y}}class A extends _{constructor(t,i,e){super(t,i,e),this.single=2===e.length&&""===e[0]&&""===e[1]}_createPart(){return new E(this)}_getValue(){return this.single?this.parts[0].value:super._getValue()}commit(){this.dirty&&(this.dirty=!1,this.element[this.name]=this._getValue())}}class E extends z{}let I=!1;(()=>{try{const t={get capture(){return I=!0,!1}};window.addEventListener("test",t,t),window.removeEventListener("test",t,t)}catch(t){}})();class T{constructor(t,i,e){this.value=void 0,this.__pendingValue=void 0,this.element=t,this.eventName=i,this.eventContext=e,this.__boundHandleEvent=t=>this.handleEvent(t)}setValue(t){this.__pendingValue=t}commit(){for(;b(this.__pendingValue);){const t=this.__pendingValue;this.__pendingValue=y,t(this)}if(this.__pendingValue===y)return;const t=this.__pendingValue,i=this.value,e=null==t||null!=i&&(t.capture!==i.capture||t.once!==i.once||t.passive!==i.passive),s=null!=t&&(null==i||e);e&&this.element.removeEventListener(this.eventName,this.__boundHandleEvent,this.__options),s&&(this.__options=D(t),this.element.addEventListener(this.eventName,this.__boundHandleEvent,this.__options)),this.value=t,this.__pendingValue=y}handleEvent(t){"function"==typeof this.value?this.value.call(this.eventContext||this.element,t):this.value.handleEvent(t)}}const D=t=>t&&(I?{capture:t.capture,passive:t.passive,once:t.once}:t.capture
68/**
69 * @license
70 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
71 * This code may only be used under the BSD style license found at
72 * http://polymer.github.io/LICENSE.txt
73 * The complete set of authors may be found at
74 * http://polymer.github.io/AUTHORS.txt
75 * The complete set of contributors may be found at
76 * http://polymer.github.io/CONTRIBUTORS.txt
77 * Code distributed by Google as part of the polymer project is also
78 * subject to an additional IP rights grant found at
79 * http://polymer.github.io/PATENTS.txt
80 */);function L(t){let i=O.get(t.type);void 0===i&&(i={stringsArray:new WeakMap,keyString:new Map},O.set(t.type,i));let e=i.stringsArray.get(t.strings);if(void 0!==e)return e;const s=t.strings.join(h);return e=i.keyString.get(s),void 0===e&&(e=new c(t,t.getTemplateElement()),i.keyString.set(s,e)),i.stringsArray.set(t.strings,e),e}const O=new Map,F=new WeakMap,N=new
81/**
82 * @license
83 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
84 * This code may only be used under the BSD style license found at
85 * http://polymer.github.io/LICENSE.txt
86 * The complete set of authors may be found at
87 * http://polymer.github.io/AUTHORS.txt
88 * The complete set of contributors may be found at
89 * http://polymer.github.io/CONTRIBUTORS.txt
90 * Code distributed by Google as part of the polymer project is also
91 * subject to an additional IP rights grant found at
92 * http://polymer.github.io/PATENTS.txt
93 */
94class{handleAttributeExpressions(t,i,e,s){const n=i[0];

94return"."===n?new A(t,i.slice(1),e).parts:"@"===n?[new T(t,i.slice(1),s.eventContext)]:"?"===n?[new P(t,i.slice(1),e)]:new _(t,i,e).parts}handleTextExpression(t){return new M(t)}};
95/**
96 * @license
97 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
98 * This code may only be used under the BSD style license found at
99 * http://polymer.github.io/LICENSE.txt
100 * The complete set of authors may be found at
101 * http://polymer.github.io/AUTHORS.txt
102 * The complete set of contributors may be found at
103 * http://polymer.github.io/CONTRIBUTORS.txt
104 * Code distributed by Google as part of the polymer project is also
105 * subject to an additional IP rights grant found at
106 * http://polymer.github.io/PATENTS.txt
107 */
108/**
109 * @license
110 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
111 * This code may only be used under the BSD style license found at
112 * http://polymer.github.io/LICENSE.txt
113 * The complete set of authors may be found at
114 * http://polymer.github.io/AUTHORS.txt
115 * The complete set of contributors may be found at
116 * http://polymer.github.io/CONTRIBUTORS.txt
117 * Code distributed by Google as part of the polymer project is also
118 * subject to an additional IP rights grant found at
119 * http://polymer.github.io/PATENTS.txt
120 */
121"undefined"!=typeof window&&(window.litHtmlVersions||(window.litHtmlVersions=[])).push("1.2.1");const U=(t,...i)=>new $(t,i,"html",N)
122/**
123 * @license
124 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
125 * This code may only be used under the BSD style license found at
126 * http://polymer.github.io/LICENSE.txt
127 * The complete set of authors may be found at
128 * http://polymer.github.io/AUTHORS.txt
129 * The complete set of contributors may be found at
130 * http://polymer.github.io/CONTRIBUTORS.txt
131 * Code distributed by Google as part of the polymer project is also
132 * subject to an additional IP rights grant found at
133 * http://polymer.github.io/PATENTS.txt
134 */,R=(t,i)=>`${t}--${i}`;let V=!0;void 0===window.ShadyCSS?V=!1:void 0===window.ShadyCSS.prepareTemplateDom&&(console.warn("Incompatible ShadyCSS version detected. Please update to at least @webcomponents/[email protected] and @webcomponents/[email protected]."),V=!1);const W=t=>i=>{const e=R(i.type,t);let s=O.get(e);void 0===s&&(s={stringsArray:new WeakMap,keyString:new Map},O.set(e,s));let n=s.stringsArray.get(i.strings);if(void 0!==n)return n;const o=i.strings.join(h);if(n=s.keyString.get(o),void 0===n){const e=i.getTemplateElement();V&&window.ShadyCSS.prepareTemplateDom(e,t),n=new c(i,e),s.keyString.set(o,n)}return s.stringsArray.set(i.strings,n),n},q=["html","svg"],Y=new Set;window.JSCompiler_renameProperty=t=>t;const H={toAttribute(t,i){switch(i){case Boolean:return t?"":null;case Object:case Array:return null==t?t:JSON.stringify(t)}return t},fromAttribute(t,i){switch(i){case Boolean:return null!==t;case Number:return null===t?null:Number(t);case Object:case Array:return JSON.parse(t)}return t}},J=(t,i)=>i!==t&&(i==i||t==t),G={attribute:!0,type:String,converter:H,reflect:!1,hasChanged:J};class K extends HTMLElement{constructor(){super(),this._updateState=0,this._instanceProperties=void 0,this._updatePromise=new Promise((t=>this._enableUpdatingResolver=t)),this._changedProperties=new Map,this._reflectingProperties=void 0,this.initialize()}static get observedAttributes(){this.finalize();const t=[];return this._classProperties.forEach(((i,e)=>{const s=this._attributeNameForProperty(e,i);void 0!==s&&(this._attributeToPropertyMap.set(s,e),t.push(s))})),t}static _ensureClassProperties(){if(!this.hasOwnProperty(JSCompiler_renameProperty("_classProperties",this))){this._classProperties=new Map;const t=Object.getPrototypeOf(this)._classProperties;void 0!==t&&t.forEach(((t,i)=>this._classProperties.set(i,t)))}}static createProperty(t,i=G){if(this._ensureClassProperties(),this._classProperties.set(t,i),i.noAccessor||this.prototype.hasOwnProperty(t))return;const e="symbol"==typeof t?Symbol():"__"+t,s=this.getPropertyDescriptor(t,e,i);void 0!==s&&Object.defineProperty(this.prototype,t,s)}static getPropertyDescriptor(t,i,e){return{get(){return this[i]},set(e){const s=this[t];this[i]=e,this._requestUpdate(t,s)},configurable:!0,enumerable:!0}}static getPropertyOptions(t){return this._classProperties&&this._classProperties.get(t)||G}static finalize(){const t=Object.getPrototypeOf(this);if(t.hasOwnProperty("finalized")||t.finalize(),this.finalized=!0,this._ensureClassProperties(),this._attributeToPropertyMap=new Map,this.hasOwnProperty(JSCompiler_renameProperty("properties",this))){const t=this.properties,i=[...Object.getOwnPropertyNames(t),..."function"==typeof Object.getOwnPropertySymbols?Object.getOwnPropertySymbols(t):[]];for(const e of i)this.createProperty(e,t[e])}}static _attributeNameForProperty(t,i){const e=i.attribute;return!1===e?void 0:"string"==typeof e?e:"string"==typeof t?t.toLowerCase():void 0}static _valueHasChanged(t,i,e=J){return e(t,i)}static _propertyValueFromAttribute(t,i){const e=i.converter||H,s="function"==typeof e?e:e.fromAttribute;return s?s(t,i.type):t}static _propertyValueToAttribute(t,i){if(void 0===i.reflect)return;const e=i.converter;return(e&&e.toAttribute||H.toAttribute)(t,i.type)}initialize(){this._saveInstanceProperties(),this._requestUpdate()}_saveInstanceProperties(){this.constructor._classProperties.forEac

134h(((t,i)=>{if(this.hasOwnProperty(i)){const t=this[i];delete this[i],this._instanceProperties||(this._instanceProperties=new Map),this._instanceProperties.set(i,t)}}))}_applyInstanceProperties(){this._instanceProperties.forEach(((t,i)=>this[i]=t)),this._instanceProperties=void 0}connectedCallback(){this.enableUpdating()}enableUpdating(){void 0!==this._enableUpdatingResolver&&(this._enableUpdatingResolver(),this._enableUpdatingResolver=void 0)}disconnectedCallback(){}attributeChangedCallback(t,i,e){i!==e&&this._attributeToProperty(t,e)}_propertyToAttribute(t,i,e=G){const s=this.constructor,n=s._attributeNameForProperty(t,e);if(void 0!==n){const t=s._propertyValueToAttribute(i,e);if(void 0===t)return;this._updateState=8|this._updateState,null==t?this.removeAttribute(n):this.setAttribute(n,t),this._updateState=-9&this._updateState}}_attributeToProperty(t,i){if(8&this._updateState)return;const e=this.constructor,s=e._attributeToPropertyMap.get(t);if(void 0!==s){const t=e.getPropertyOptions(s);this._updateState=16|this._updateState,this[s]=e._propertyValueFromAttribute(i,t),this._updateState=-17&this._updateState}}_requestUpdate(t,i){let e=!0;if(void 0!==t){const s=this.constructor,n=s.getPropertyOptions(t);s._valueHasChanged(this[t],i,n.hasChanged)?(this._changedProperties.has(t)||this._changedProperties.set(t,i),!0!==n.reflect||16&this._updateState||(void 0===this._reflectingProperties&&(this._reflectingProperties=new Map),this._reflectingProperties.set(t,n))):e=!1}!this._hasRequestedUpdate&&e&&(this._updatePromise=this._enqueueUpdate())}requestUpdate(t,i){return this._requestUpdate(t,i),this.updateComplete}async _enqueueUpdate(){this._updateState=4|this._updateState;try{await this._updatePromise}catch(t){}const t=this.performUpdate();return null!=t&&await t,!this._hasRequestedUpdate}get _hasRequestedUpdate(){return 4&this._updateState}get hasUpdated(){return 1&this._updateState}performUpdate(){this._instanceProperties&&this._applyInstanceProperties();let t=!1;const i=this._changedProperties;try{t=this.shouldUpdate(i),t?this.update(i):this._markUpdated()}catch(i){throw t=!1,this._markUpdated(),i}t&&(1&this._updateState||(this._updateState=1|this._updateState,this.firstUpdated(i)),this.updated(i))}_markUpdated(){this._changedProperties=new Map,this._updateState=-5&this._updateState}get updateComplete(){return this._getUpdateComplete()}_getUpdateComplete(){return this._updatePromise}shouldUpdate(t){return!0}update(t){void 0!==this._reflectingProperties&&this._reflectingProperties.size>0&&(this._reflectingProperties.forEach(((t,i)=>this._propertyToAttribute(i,this[i],t))),this._reflectingProperties=void 0),this._markUpdated()}updated(t){}firstUpdated(t){}}K.finalized=!0;
135/**
136 * @license
137 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
138 * This code may only be used under the BSD style license found at
139 * http://polymer.github.io/LICENSE.txt
140 * The complete set of authors may be found at
141 * http://polymer.github.io/AUTHORS.txt
142 * The complete set of contributors may be found at
143 * http://polymer.github.io/CONTRIBUTORS.txt
144 * Code distributed by Google as part of the polymer project is also
145 * subject to an additional IP rights grant found at
146 * http://polymer.github.io/PATENTS.txt
147 */
148const Z=(t,i)=>"method"===i.kind&&i.descriptor&&!("value"in i.descriptor)?Object.assign(Object.assign({},i),{finisher(e){e.createProperty(i.key,t)}}):{kind:"field",key:Symbol(),placement:"own",descriptor:{},initializer(){"function"==typeof i.initializer&&(this[i.key]=i.initializer.call(this))},finisher(e){e.createProperty(i.key,t)}};function Q(t){return(i,e)=>void 0!==e?((t,i,e)=>{i.constructor.createProperty(e,t)})(t,i,e):Z(t,i)
149/**
150@license
151Copyright (c) 2019 The Polymer Project Authors. All rights reserved.
152This code may only be used under the BSD style license found at
153http://polymer.github.io/LICENSE.txt The complete set of authors may be found at
154http://polymer.github.io/AUTHORS.txt The complete set of contributors may be
155found at http://polymer.github.io/CONTRIBUTORS.txt Code distributed by Google as
156part of the polymer project is also subject to an additional IP rights grant
157found at http://polymer.github.io/PATENTS.txt
158*/}const X="adoptedStyleSheets"in Document.prototype&&"replace"in CSSStyleSheet.prototype,tt=Symbol();class it{constructor(t,i){if(i!==tt)throw new Error("CSSResult is not constructable. Use `unsafeCSS` or `css` instead.");this.cssText=t}get styleSheet(){return void 0===this._styleSheet&&(X?(this._styleSheet=new CSSStyleSheet,this._styleSheet.replaceSync(this.cssText)):this._styleSheet=null),this._styleSheet}toString(){return this.cssText}}const et=(t,...i)=>{const e=i.reduce(((i,e,s)=>i+(t=>{if(t instanceof it)return t.cssText;if("number"==typeof t)return t;throw new Error(`Value passed to 'css' function must be a 'css' function result: ${t}. Use 'unsafeCSS' to pass non-literal values, but\n            take care to ensure page security.`)})(e)+t[s+1]),t[0]);return new it(e,tt)};
159/**
160 * @license
161 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
162 * This code may only be used under the BSD style license found at
163 * http://polymer.github.io/LICENSE.txt
164 * The complete set of authors may be found at
165 * http://polymer.github.io/AUTHORS.txt
166 * The complete set of contributors may be found at
167 * http://polymer.github.io/CONTRIBUTORS.txt
168 * Code distributed by Google as part of the polymer project is also
169 * subject to an additional IP rights grant found at
170 * http://polymer.github.io/PATENTS.txt
171 */(window.litElementVersions||(window.litElementVersions=[])).push("2.3.1");const st={};class nt extends K{static getStyles(){return this.styles}static _getUniqueStyles(){if(this.hasOwnProperty(JSCompiler_renameProperty("_styles",this)))return;const t=this.getStyles();if(void 0===t)this._styles=[];else if(Array.isArray(t)){const i=(t,e)=>t.reduceRight(((t,e)=>Array.isArray(e)?i(e,t):(t.add(e),t)),e),e=i(t,new Set),s=[];e.forEach((t=>s.unshift(t))),this._styles=s}else this._styles=[t]}initialize(){super.initialize(),this.constructor._getUniqueStyles(),this.renderRoot=this.createRenderRoot(),window.ShadowRoot&&this.renderRoot instanceof window.ShadowRoot&&this.adoptStyles()}createRenderRoot(){return this.attachShadow({mode:"open"})}adoptStyles(){const t=this.constructor._styles;0!==t.length&&(void 0===window.ShadyCSS||window.ShadyCSS.nativeShadow?X?this.renderRoot.adoptedStyleSheets=t.map((t=>t.styleSheet)):this._needsShimAdoptedStyleSheets=!0:window.ShadyCSS.ScopingShim.prepareAdoptedCssText(t.map((t=>t.cssText)),this.localName))}connectedCallback(){super.connectedCallback(),this.hasUpdated&&void 0!==window.ShadyCSS&&window.ShadyCSS.styleElement(this)}update(t){const i=this.render();super.update(t),i!==st&&this.constructor.render(i,this.renderRoot,{scopeName:this.localName,eventContext:this}),this._needsShimAdoptedStyleSheets&&(this._needsShimAdoptedStyleSheets=!1,this.constructor._styles.forEach((t=>{const i=document.createElement("style");i.textContent=t.cssText,this.renderRoot.appendChild(i)})))}render(){return st}}nt.finalized=!0,nt.render=(t,i,e)=>{if(!e||"object"!=typeof e||!e.scopeName)throw new Error("The `scopeName` option is required.");const s=e.scopeName,n=F.has(i),o=V&&11===i.nodeType&&!!i.host,a=o&&!Y.has(s),h=a?document.createDocumentFragment():i;if(((t,i,e)=>{let s=F.get(i);void 0===s&&(r(i,i.firstChild),F.set(i,s=new M(Object.assign({templateFactory:L},e))),s.appendInto(i)),s.setValue(t),s.commit()})(t,h,Object.assign({templateFactory:W(s)},e)),a){const t=F.get(h);F.delete(h),((t,i,e)=>{Y.add(t);const s=e?e.element:document.createElement("template"),n=i.querySelectorAll("style"),{length:o}=n;if(0===o)return void window.ShadyCSS.prepareTemplateStyles(s,t);const a=document.createElement("style");for(let t=0;t<o;t++){const i=n[t];i.parentNode.removeChild(i),a.textContent+=i.textContent}(t=>{q.forEach((i=>{const e=O.get(R(i,t));void 0!==e&&e.keyString.forEach((t=>{const{element:{content:i}}=t,e=new Set;